draft-ietf-ccamp-rwa-wson-encode-02.txt		draft-ietf-ccamp-rwa-wson-encode-03.txt
	Network Working Group G. Bernstein		Network Working Group G. Bernstein
	Internet Draft Grotto Networking		Internet Draft Grotto Networking
	Intended status: Standards Track Y. Lee		Intended status: Standards Track Y. Lee
	Expires: January 2010 D. Li		Expires: April 2010 D. Li
	Huawei		Huawei
	W. Imajuku		W. Imajuku
	NTT		NTT
	July 10, 2009		October 8, 2009
	Routing and Wavelength Assignment Information Encoding for		Routing and Wavelength Assignment Information Encoding for
	Wavelength Switched Optical Networks		Wavelength Switched Optical Networks
	draft-ietf-ccamp-rwa-wson-encode-02.txt		draft-ietf-ccamp-rwa-wson-encode-03.txt
	Status of this Memo		Status of this Memo
	This Internet-Draft is submitted to IETF in full conformance with the		This Internet-Draft is submitted to IETF in full conformance with the
	provisions of BCP 78 and BCP 79.		provisions of BCP 78 and BCP 79.
	Internet-Drafts are working documents of the Internet Engineering		Internet-Drafts are working documents of the Internet Engineering
	Task Force (IETF), its areas, and its working groups. Note that		Task Force (IETF), its areas, and its working groups. Note that
	other groups may also distribute working documents as Internet-		other groups may also distribute working documents as Internet-
	Drafts.		Drafts.
	skipping to change at page 1, line 38		skipping to change at page 1, line 38
	and may be updated, replaced, or obsoleted by other documents at any		and may be updated, replaced, or obsoleted by other documents at any
	time. It is inappropriate to use Internet-Drafts as reference		time. It is inappropriate to use Internet-Drafts as reference
	material or to cite them other than as "work in progress."		material or to cite them other than as "work in progress."
	The list of current Internet-Drafts can be accessed at		The list of current Internet-Drafts can be accessed at
	http://www.ietf.org/ietf/1id-abstracts.txt		http://www.ietf.org/ietf/1id-abstracts.txt
	The list of Internet-Draft Shadow Directories can be accessed at		The list of Internet-Draft Shadow Directories can be accessed at
	http://www.ietf.org/shadow.html		http://www.ietf.org/shadow.html
	This Internet-Draft will expire on January 10, 2007.		This Internet-Draft will expire on April 8, 2007.
	Copyright Notice		Copyright Notice
	Copyright (c) 2009 IETF Trust and the persons identified as the		Copyright (c) 2009 IETF Trust and the persons identified as the
	document authors. All rights reserved.		document authors. All rights reserved.
	This document is subject to BCP 78 and the IETF Trust's Legal		This document is subject to BCP 78 and the IETF Trust's Legal
	Provisions Relating to IETF Documents in effect on the date of		Provisions Relating to IETF Documents in effect on the date of
	publication of this document (http://trustee.ietf.org/license-info).		publication of this document (http://trustee.ietf.org/license-info).
	Please review these documents carefully, as they describe your rights		Please review these documents carefully, as they describe your rights
	skipping to change at page 2, line 39		skipping to change at page 2, line 39
	The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",		The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",
	"SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this		"SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this
	document are to be interpreted as described in RFC-2119 [RFC2119].		document are to be interpreted as described in RFC-2119 [RFC2119].
	Table of Contents		Table of Contents
	1. Introduction...................................................3		1. Introduction...................................................3
	1.1. Revision History..........................................4		1.1. Revision History..........................................4
	1.1.1. Changes from 00 draft................................4		1.1.1. Changes from 00 draft................................4
	1.1.2. Changes from 01 draft................................4		1.1.2. Changes from 01 draft................................4
	2. Terminology....................................................4		1.1.3. Changes from 02 draft................................4
			2. Terminology....................................................5
	3. Common Field Encoding..........................................5		3. Common Field Encoding..........................................5
	3.1. Link Set Field............................................5		3.1. Link Set Field............................................5
	3.2. Wavelength Information Encoding...........................7		3.2. Wavelength Information Encoding...........................7
	3.3. Wavelength Set Field......................................8		3.3. Wavelength Set Field......................................8
	3.3.1. Inclusive/Exclusive Wavelength Lists.................9		3.3.1. Inclusive/Exclusive Wavelength Lists.................9
	3.3.2. Inclusive/Exclusive Wavelength Ranges................9		3.3.2. Inclusive/Exclusive Wavelength Ranges................9
	3.3.3. Bitmap Wavelength Set...............................10		3.3.3. Bitmap Wavelength Set...............................10
			4. Wavelength and Connectivity sub-TLV Encodings.................11
	4. Wavelength and Connectivity sub-TLV Encodings.................10
	4.1. Available Wavelengths Sub-TLV............................11		4.1. Available Wavelengths Sub-TLV............................11
	4.2. Shared Backup Wavelengths Sub-TLV........................11		4.2. Shared Backup Wavelengths Sub-TLV........................11
	4.3. Connectivity Matrix Sub-TLV..............................11		4.3. Connectivity Matrix Sub-TLV..............................11
	4.4. Port Wavelength Restriction sub-TLV......................12		4.4. Port Wavelength Restriction sub-TLV......................13
	4.4.1. SIMPLE_WAVELENGTH...................................13		4.4.1. SIMPLE_WAVELENGTH...................................14
	4.4.2. CHANNEL_COUNT.......................................14		4.4.2. CHANNEL_COUNT.......................................14
	4.4.3. WAVEBAND1...........................................14		4.4.3. WAVEBAND1...........................................14
	4.4.4. SIMPLE_WAVELENGTH & CHANNEL_COUNT...................14		4.4.4. SIMPLE_WAVELENGTH & CHANNEL_COUNT...................15
	5. Wavelength Converter Pool Encoding............................15		5. Wavelength Converter Pool Encoding............................15
	5.1. Wavelength Converter Set Field...........................15		5.1. Wavelength Converter Set Field...........................16
	5.2. Wavelength Converter Accessibility Sub-TLV...............16		5.2. Wavelength Converter Accessibility Sub-TLV...............17
	5.3. Wavelength Conversion Range Sub-TLV......................17		5.3. Wavelength Conversion Range Sub-TLV......................18
	5.4. Wavelength Converter Usage State Sub-TLV.................18		5.4. Wavelength Converter Usage State Sub-TLV.................19
	6. WSON Encoding Usage Recommendations...........................19		6. WSON Encoding Usage Recommendations...........................20
	6.1. WSON Node TLV............................................19		6.1. WSON Node TLV............................................20
	6.2. WSON Dynamic Node TLV....................................19		6.2. WSON Dynamic Node TLV....................................20
	6.3. WSON Link TLV............................................20		6.3. WSON Link TLV............................................21
	6.4. WSON Dynamic Link TLV....................................20		6.4. WSON Dynamic Link TLV....................................21
	7. Security Considerations.......................................20		7. Security Considerations.......................................21
	8. IANA Considerations...........................................20		8. IANA Considerations...........................................21
	9. Acknowledgments...............................................21		9. Acknowledgments...............................................21
	APPENDIX A: Encoding Examples....................................22		APPENDIX A: Encoding Examples....................................22
	A.1. Wavelength Set Field.....................................22		A.1. Link Set Field...........................................22
	A.2. Connectivity Matrix Sub-TLV..............................22		A.2. Wavelength Set Field.....................................22
	A.3. Wavelength Converter Accessibility Sub-TLV...............26		A.3. Connectivity Matrix Sub-TLV..............................23
	A.4. Wavelength Conversion Range Sub-TLV......................28		A.4. Connectivity Matrix with Bi-directional Symmetry.........26
	10. References...................................................30		A.5. Wavelength Converter Accessibility Sub-TLV...............28
	10.1. Normative References....................................30		A.6. Wavelength Conversion Range Sub-TLV......................30
	10.2. Informative References..................................30		10. References...................................................32
	11. Contributors.................................................32		10.1. Normative References....................................32
	Authors' Addresses...............................................32		10.2. Informative References..................................32
	Intellectual Property Statement..................................33		11. Contributors.................................................34
	Disclaimer of Validity...........................................34		Authors' Addresses...............................................34
			Intellectual Property Statement..................................35
			Disclaimer of Validity...........................................36
	1. Introduction		1. Introduction
	A Wavelength Switched Optical Network (WSON) is a Wavelength Division		A Wavelength Switched Optical Network (WSON) is a Wavelength Division
	Multiplexing (WDM) optical network in which switching is performed		Multiplexing (WDM) optical network in which switching is performed
	selectively based on the center wavelength of an optical signal.		selectively based on the center wavelength of an optical signal.
	[WSON-Frame] describes a framework for Generalized Multiprotocol		[WSON-Frame] describes a framework for Generalized Multiprotocol
	Label Switching (GMPLS) and Path Computation Element (PCE) control of		Label Switching (GMPLS) and Path Computation Element (PCE) control of
	a WSON. Based on this framework, [WSON-Info] describes an information		a WSON. Based on this framework, [WSON-Info] describes an information
	skipping to change at page 4, line 43		skipping to change at page 4, line 45
	1.1.2. Changes from 01 draft		1.1.2. Changes from 01 draft
	The encoding examples have been moved to an appendix. Classified and		The encoding examples have been moved to an appendix. Classified and
	corrected information elements as either reusable fields or sub-TLVs.		corrected information elements as either reusable fields or sub-TLVs.
	Updated Port Wavelength Restriction sub-TLV. Added available		Updated Port Wavelength Restriction sub-TLV. Added available
	wavelength and shared backup wavelength sub-TLVs. Changed the title		wavelength and shared backup wavelength sub-TLVs. Changed the title
	and scope of section 6 to recommendations since the higher level TLVs		and scope of section 6 to recommendations since the higher level TLVs
	that this encoding will be used in is somewhat protocol specific.		that this encoding will be used in is somewhat protocol specific.
			1.1.3. Changes from 02 draft
			Removed inconsistent text concerning link local identifiers and the
			link set field in section 3.1.
			Added E bit to the Wavelength Converter Set Field.
			Added bidirectional connectivity matrix example. Added simple link
			set example. Edited examples for consistency.
	2. Terminology		2. Terminology
	CWDM: Coarse Wavelength Division Multiplexing.		CWDM: Coarse Wavelength Division Multiplexing.
	DWDM: Dense Wavelength Division Multiplexing.		DWDM: Dense Wavelength Division Multiplexing.
	FOADM: Fixed Optical Add/Drop Multiplexer.		FOADM: Fixed Optical Add/Drop Multiplexer.
	ROADM: Reconfigurable Optical Add/Drop Multiplexer. A reduced port		ROADM: Reconfigurable Optical Add/Drop Multiplexer. A reduced port
	count wavelength selective switching element featuring ingress and		count wavelength selective switching element featuring ingress and
	skipping to change at page 5, line 33		skipping to change at page 5, line 46
	3. Common Field Encoding		3. Common Field Encoding
	In encoding WSON information both sets of links and sets of		In encoding WSON information both sets of links and sets of
	wavelengths frequently arise. In the following we specify the		wavelengths frequently arise. In the following we specify the
	encoding of these repeatedly used fields.		encoding of these repeatedly used fields.
	3.1. Link Set Field		3.1. Link Set Field
	We will frequently need to describe properties of groups of links. To		We will frequently need to describe properties of groups of links. To
	do so efficiently we can make use of a link set concept similar to		do so efficiently we can make use of a link set concept similar to
	the label set concept of [RFC3471]. All links will be denoted by		the label set concept of [RFC3471]. The information carried in a Link
	their local link identifier as defined an used in [RFC4202],		Set is defined by:
	[RFC4203], and [RFC5307].The information carried in a Link Set is
	defined by:
	0 1 2 3		0 1 2 3
	0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1		0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	| Action |Dir| Format | Length |		| Action |Dir| Format | Length |
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	| Link Identifier 1 |		| Link Identifier 1 |
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	: : :		: : :
	: : :		: : :
	skipping to change at page 6, line 39		skipping to change at page 6, line 39
	the range (inclusive). The second identifiers indicates the end of		the range (inclusive). The second identifiers indicates the end of
	the range (inclusive). All links with numeric values between the		the range (inclusive). All links with numeric values between the
	bounds are considered to be part of the set. A value of zero in		bounds are considered to be part of the set. A value of zero in
	either position indicates that there is no bound on the corresponding		either position indicates that there is no bound on the corresponding
	portion of the range. Note that the Action field can be set to		portion of the range. Note that the Action field can be set to
	0x02(Inclusive Range) only when unnumbered link identifier is used.		0x02(Inclusive Range) only when unnumbered link identifier is used.
	Dir: Directionality of the Link Set (2 bits)		Dir: Directionality of the Link Set (2 bits)
	0 -- bidirectional		0 -- bidirectional
	1 -- incoming		1 -- ingress
	2 -- outgoing		2 -- egress
	In optical networks we think in terms of unidirectional as well as		In optical networks we think in terms of unidirectional as well as
	bidirectional links. For example, wavelength restrictions or		bidirectional links. For example, wavelength restrictions or
	connectivity may be different for an ingress port, than for its		connectivity may be different for an ingress port, than for its
	"companion" egress port if one exists. Note that "interfaces" such as		"companion" egress port if one exists. Note that "interfaces" such as
	those discussed in the Interfaces MIB [RFC2863] are assumed to be		those discussed in the Interfaces MIB [RFC2863] are assumed to be
	bidirectional. This also applies to the links advertised in various		bidirectional. This also applies to the links advertised in various
	link state routing protocols.		link state routing protocols.
	Format: The format of the link identifier (6 bits)		Format: The format of the link identifier (6 bits)
	skipping to change at page 7, line 30		skipping to change at page 7, line 30
	Interface IP Address. All Local Interface IP Address are supplied in		Interface IP Address. All Local Interface IP Address are supplied in
	the context of the advertising node.		the context of the advertising node.
	Others TBD.		Others TBD.
	Note that all link identifiers in the same list must be of the same		Note that all link identifiers in the same list must be of the same
	type.		type.
	Length: 16 bits		Length: 16 bits
	This field indicates the total length of the Link Set field.		This field indicates the total length in bytes of the Link Set field.
	Link Identifier: length is dependent on the link format		Link Identifier: length is dependent on the link format
	The link identifier represents the port which is being described		The link identifier represents the port which is being described
	either for connectivity or wavelength restrictions. This can be the		either for connectivity or wavelength restrictions. This can be the
	link local identifier of [RFC4202], GMPLS routing, [RFC4203] GMPLS		link local identifier of [RFC4202], GMPLS routing, [RFC4203] GMPLS
	OSPF routing, and [RFC5307] IS-IS GMPLS routing. The use of the link		OSPF routing, and [RFC5307] IS-IS GMPLS routing. The use of the link
	local identifier format can result in more compact WSON encodings		local identifier format can result in more compact WSON encodings
	when the assignments are done in a reasonable fashion.		when the assignments are done in a reasonable fashion.
	skipping to change at page 8, line 15		skipping to change at page 8, line 15
	0 1 2 3		0 1 2 3
	0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1		0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	|Grid | C.S. | Reserved | n |		|Grid | C.S. | Reserved | n |
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	Where		Where
	Grid is used to indicate which ITU-T grid specification is being		Grid is used to indicate which ITU-T grid specification is being
	used.		used.
	C.S. = Channel spacing used in a DWDM system, i.e., with a ITU-T		C.S. = Channel spacing used in a DWDM system, i.e., with an ITU-T
	G.694.1 grid.		G.694.1 grid.
	n = Used to specify the frequency as 193.1THz +/- n*(channel spacing)		n = Used to specify the frequency as 193.1THz +/- n*(channel spacing)
	and n is an integer to take either a negative, zero or a positive		and n is a two's complement integer that takes either a negative,
	value.		zero or a positive value.
	3.3. Wavelength Set Field		3.3. Wavelength Set Field
	Wavelength sets come up frequently in WSONs to describe the range of		Wavelength sets come up frequently in WSONs to describe the range of
	a laser transmitter, the wavelength restrictions on ROADM ports, or		a laser transmitter, the wavelength restrictions on ROADM ports, or
	the availability of wavelengths on a DWDM link. The general format		the availability of wavelengths on a DWDM link. The general format
	for a wavelength set is given below. This format uses the Action		for a wavelength set is given below. This format uses the Action
	concept from [RFC3471] with an additional Action to define a "bit		concept from [RFC3471] with an additional Action to define a "bit
	map" type of label set. Note that the second 32 bit field is a lambda		map" type of label set. Note that the second 32 bit field is a lambda
	label in the previously defined format. This provides important		label in the previously defined format. This provides important
	skipping to change at page 9, line 10		skipping to change at page 9, line 10
	0 - Inclusive List		0 - Inclusive List
	1 - Exclusive List		1 - Exclusive List
	2 - Inclusive Range		2 - Inclusive Range
	3 - Exclusive Range		3 - Exclusive Range
	4 - Bitmap Set		4 - Bitmap Set
			Length is the length in bytes of the entire field.
	3.3.1. Inclusive/Exclusive Wavelength Lists		3.3.1. Inclusive/Exclusive Wavelength Lists
	In the case of the inclusive/exclusive lists the wavelength set		In the case of the inclusive/exclusive lists the wavelength set
	format is given by:		format is given by:
	0 1 2 3		0 1 2 3
	0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1		0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	|0 or 1 | Num Wavelengths | Length |		|0 or 1 | Num Wavelengths | Length |
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	|Grid | C.S. | Reserved | n for lowest frequency |		|Grid | C.S. | Reserved | n for lowest frequency |
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	| n2 | n3 |		| n2 | n3 |
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	: :		: :
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	| nm | |		| nm | |
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	Where Num Wavelengths tells us the number of wavelength in this		Where:
	inclusive or exclusive list this does not include the initial
	wavelength in the list hence if the number of wavelengths is odd then		Num Wavelengths tells us the number of wavelength in this inclusive
	zero padding of the last half word is required.		or exclusive list including the initial wavelength in the list. Hence
			if the number of wavelengths is even then zero padding of the last
			half word is required.
			n2 - nm, are used to specify the frequency as 193.1THz +/- n*(channel
			spacing) and is a two's complement integer. Note that the channel
			spacing is given by C.S. and is the same for all frequencies on the
			list.
	3.3.2. Inclusive/Exclusive Wavelength Ranges		3.3.2. Inclusive/Exclusive Wavelength Ranges
	In the case of inclusive/exclusive ranges the wavelength set format		In the case of inclusive/exclusive ranges the wavelength set format
	is given by:		is given by:
	0 1 2 3		0 1 2 3
	0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1		0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	|2 or 3 | Num Wavelengths | Length |		|2 or 3 | Num Wavelengths | Length |
	skipping to change at page 10, line 35		skipping to change at page 10, line 43
	| Bit Map Word #N (Highest frequency channels) |		| Bit Map Word #N (Highest frequency channels) |
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	Where Num Wavelengths in this case tells us the number of wavelengths		Where Num Wavelengths in this case tells us the number of wavelengths
	represented by the bit map. Each bit in the bit map represents a		represented by the bit map. Each bit in the bit map represents a
	particular frequency with a value of 1/0 indicating whether the		particular frequency with a value of 1/0 indicating whether the
	frequency is in the set or not. Bit position zero represents the		frequency is in the set or not. Bit position zero represents the
	lowest frequency, while each succeeding bit position represents the		lowest frequency, while each succeeding bit position represents the
	next frequency a channel spacing (C.S.) above the previous.		next frequency a channel spacing (C.S.) above the previous.
	The size of the bit map is clearly Num Wavelengths bits, but the bit		The size of the bit map is Num Wavelengths bits, but the bit map is
	map is made up to a full multiple of 32 bits so that the TLV is a		padded out to a full multiple of 32 bits so that the TLV is a
	multiple of four bytes. Bits that do not represent wavelengths (i.e.,		multiple of four bytes. Bits that do not represent wavelengths (i.e.,
	those in positions (Num Wavelengths - 1) and beyond) SHOULD be set to		those in positions (Num Wavelengths) and beyond SHOULD be set to zero
	zero and MUST be ignored.		and MUST be ignored.
	4. Wavelength and Connectivity sub-TLV Encodings		4. Wavelength and Connectivity sub-TLV Encodings
	A type-length-value (TLV) encoding of the high level WSON information		A type-length-value (TLV) encoding of the high level WSON information
	model [WSON-Info] is given in the following sections. This encoding		model [WSON-Info] is given in the following sections. This encoding
	is designed to be suitable for use in the GMPLS routing protocols		is designed to be suitable for use in the GMPLS routing protocols
	OSPF [RFC4203] and IS-IS [RFC5307] and in the PCE protocol PCEP		OSPF [RFC4203] and IS-IS [RFC5307] and in the PCE protocol PCEP
	[PCEP]. Note that the information distributed in [RFC4203] and		[PCEP]. Note that the information distributed in [RFC4203] and
	[RFC5307] is arranged via the nesting of sub-TLVs within TLVs and		[RFC5307] is arranged via the nesting of sub-TLVs within TLVs and
	this document makes use of such constructs.		this document makes use of such constructs.
	skipping to change at page 12, line 32		skipping to change at page 12, line 36
	Connectivity is the device type.		Connectivity is the device type.
	0 -- the device is fixed		0 -- the device is fixed
	1 -- the device is switched(e.g., ROADM/OXC)		1 -- the device is switched(e.g., ROADM/OXC)
	MatrixID represents the ID of the connectivity matrix and is an 8 bit		MatrixID represents the ID of the connectivity matrix and is an 8 bit
	integer. The value of 0xFF is reserved for use with port wavelength		integer. The value of 0xFF is reserved for use with port wavelength
	constraints and should not be used to identify a connectivity matrix.		constraints and should not be used to identify a connectivity matrix.
			There are two permitted combinations for the link set field parameter
			"dir" for Link Set A and B pairs:
			o Link Set A dir=ingress, Link Set B dir=egress
			In this case any signal on the ingress links in set A can be
			potentially switched out of an egress link in set B.
			o Link Set A dir=bidirectional, Link Set B dir=bidirectional
			In this case any ingress signal on the links in set A can
			potentially egress on a link in set B, and any ingress signal on
			the links in set B can potentially egress on a link in set A.
			See Appendix A for examples of both types of encodings.
	4.4. Port Wavelength Restriction sub-TLV		4.4. Port Wavelength Restriction sub-TLV
	The port wavelength restriction of [WSON-Info] can be encoded as a		The port wavelength restriction of [WSON-Info] can be encoded as a
	sub-TLV as follows. More than one of these sub-TLVs may be needed to		sub-TLV as follows. More than one of these sub-TLVs may be needed to
	fully specify a complex port constraint. When more than one of these		fully specify a complex port constraint. When more than one of these
	sub-TLVs are present the resulting restriction is the intersection of		sub-TLVs are present the resulting restriction is the intersection of
	the restrictions expressed in each sub-TLV. To indicate that a		the restrictions expressed in each sub-TLV. To indicate that a
	restriction applies to the port in general and not to a specific		restriction applies to the port in general and not to a specific
	connectivity matrix use the reserved value of 0xFF for the MatrixID.		connectivity matrix use the reserved value of 0xFF for the MatrixID.
	skipping to change at page 15, line 37		skipping to change at page 16, line 17
	A WSON node may include a set of wavelength converters (WC) and such		A WSON node may include a set of wavelength converters (WC) and such
	information frequently is used in describing the wavelength converter		information frequently is used in describing the wavelength converter
	pool and its properties. The WC Set field is defined in a similar		pool and its properties. The WC Set field is defined in a similar
	manner to the label set concept of [RFC3471].		manner to the label set concept of [RFC3471].
	The information carried in a WC set field is defined by:		The information carried in a WC set field is defined by:
	0 1 2 3		0 1 2 3
	0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1		0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	| Action | Reserved | Length |		| Action |E| Reserved | Length |
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	| WC Identifier 1 | WC Identifier 2 |		| WC Identifier 1 | WC Identifier 2 |
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	: : :		: : :
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	| WC Identifier n-1 | WC Identifier n |		| WC Identifier n-1 | WC Identifier n |
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	Action: 8 bits		Action: 8 bits
	skipping to change at page 16, line 16		skipping to change at page 16, line 41
	included in the list.		included in the list.
	2 - Inclusive Range		2 - Inclusive Range
	Indicates that the TLV contains a range of WCs. The object/TLV		Indicates that the TLV contains a range of WCs. The object/TLV
	contains two WC elements. The first element indicates the start of		contains two WC elements. The first element indicates the start of
	the range. The second element indicates the end of the range. A value		the range. The second element indicates the end of the range. A value
	of zero indicates that there is no bound on the corresponding portion		of zero indicates that there is no bound on the corresponding portion
	of the range.		of the range.
	Reserved: 8 bits		E (Even bit): Set to 0 denotes an odd number of WC identifiers in
			the list (last entry zero pad); Set to 1 denotes an even number of WC
			identifiers in the list (no zero padding).
			Reserved: 7 bits
	This field is reserved. It MUST be set to zero on transmission and		This field is reserved. It MUST be set to zero on transmission and
	MUST be ignored on receipt.		MUST be ignored on receipt.
	Length: 16 bits		Length: 16 bits
	The total length of this field in bytes.		The total length of this field in bytes.
	WC Identifier:		WC Identifier:
	skipping to change at page 17, line 28		skipping to change at page 18, line 28
	: :		: :
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	| Egress link Set Field B #1 |		| Egress link Set Field B #1 |
	: :		: :
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	| Additional WC set and egress link set pairs |		| Additional WC set and egress link set pairs |
	: as needed to specify PoolEgressMatrix :		: as needed to specify PoolEgressMatrix :
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	Note that the direction parameter within the Link Set Field is used		Note that the direction parameter within the Link Set Field is used
	to indicate whether the link set is an ingress or egress link set.		to indicate whether the link set is an ingress or egress link set,
			and the bidirectional value for this parameter is not permitted in
			this sub-TLV.
	5.3. Wavelength Conversion Range Sub-TLV		5.3. Wavelength Conversion Range Sub-TLV
	Wavelength converters may have a limited input or output range.		Wavelength converters may have a limited input or output range.
	Additionally, due to the structure of the optical system not all		Additionally, due to the structure of the optical system not all
	wavelengths can necessarily reach or leave all the converters. These		wavelengths can necessarily reach or leave all the converters. These
	properties are described by using one or more wavelength conversion		properties are described by using one or more wavelength conversion
	sub-TLVs as defined below:		sub-TLVs as defined below:
	0 1 2 3		0 1 2 3
	skipping to change at page 20, line 13		skipping to change at page 21, line 13
	<NodeInfoDynamic> ::= <NodeID> [<WCPoolState>]		<NodeInfoDynamic> ::= <NodeID> [<WCPoolState>]
	Note that currently the only dynamic information modeled with a node		Note that currently the only dynamic information modeled with a node
	is associated with the status of the wavelength converter pool.		is associated with the status of the wavelength converter pool.
	6.3. WSON Link TLV		6.3. WSON Link TLV
	The new link related sub-TLVs could be incorporated into a composite		The new link related sub-TLVs could be incorporated into a composite
	link TLV as follows:		link TLV as follows:
	<LinkInfo> ::= <LinkID> [Other GMPLS sub-TLVs]		<LinkInfo> ::= <LinkID> [Other GMPLS sub-TLVs]
	<[PortWavelengthRestriction>...][<AvailableWavelengths>]		[<PortWavelengthRestriction>...][<AvailableWavelengths>]
	[<SharedBackupWavelengths>]		[<SharedBackupWavelengths>]
	6.4. WSON Dynamic Link TLV		6.4. WSON Dynamic Link TLV
	If the protocol supports the separation of dynamic information from		If the protocol supports the separation of dynamic information from
	relatively static information then the available wavelength and		relatively static information then the available wavelength and
	shared backup status can be separated from the general link TLV into		shared backup status can be separated from the general link TLV into
	a TLV for dynamic link information.		a TLV for dynamic link information.
	<DynamicLinkInfo> ::= <LinkID> <AvailableWavelengths>		<DynamicLinkInfo> ::= <LinkID> <AvailableWavelengths>
	[<SharedBackupWavelengths>]		[<SharedBackupWavelengths>]
	Where
	<LinkID> ::= <LocalLinkID> <LocalNodeID> <RemoteLinkID>
	<RemoteNodeID>
	7. Security Considerations		7. Security Considerations
	This document defines protocol-independent encodings for WSON		This document defines protocol-independent encodings for WSON
	information and does not introduce any security issues.		information and does not introduce any security issues.
	However, other documents that make use of these encodings within		However, other documents that make use of these encodings within
	protocol extensions need to consider the issues and risks associated		protocol extensions need to consider the issues and risks associated
	with, inspection, interception, modification, or spoofing of any of		with, inspection, interception, modification, or spoofing of any of
	this information. It is expected that any such documents will		this information. It is expected that any such documents will
	describe the necessary security measures to provide adequate		describe the necessary security measures to provide adequate
	skipping to change at page 22, line 7		skipping to change at page 22, line 7
	TBD. Once our approach is finalized we may need identifiers for the		TBD. Once our approach is finalized we may need identifiers for the
	various TLVs and sub-TLVs.		various TLVs and sub-TLVs.
	9. Acknowledgments		9. Acknowledgments
	This document was prepared using 2-Word-v2.0.template.dot.		This document was prepared using 2-Word-v2.0.template.dot.
	APPENDIX A: Encoding Examples		APPENDIX A: Encoding Examples
	[Editors note: these examples will be revised once the changes to the		A.1. Link Set Field
	encodings settle down.]
	A.1. Wavelength Set Field		Suppose that we wish to describe a set of ingress ports that are have
			link local identifiers number 3 through 42. In the link set field we
			set the Action = 1 to denote an inclusive range; the Dir = 1 to
			denote ingress links; and, the Format = 0 to denote link local
			identifiers. In particular we have:
			+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
			| Action=1 |0 1|0 0 0 0 0 0| Length = 12 |
			+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
			| Link Local Identifier = #3 |
			+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
			| Link Local Identifier = #42 |
			+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
			A.2. Wavelength Set Field
	Example:		Example:
	A 40 channel C-Band DWDM system with 100GHz spacing with lowest		A 40 channel C-Band DWDM system with 100GHz spacing with lowest
	frequency 192.0THz (1561.4nm) and highest frequency 195.9THz		frequency 192.0THz (1561.4nm) and highest frequency 195.9THz
	(1530.3nm). These frequencies correspond to n = -11, and n = 28		(1530.3nm). These frequencies correspond to n = -11, and n = 28
	respectively. Now suppose the following channels are available:		respectively. Now suppose the following channels are available:
	Frequency (THz) n Value bit map position		Frequency (THz) n Value bit map position
	--------------------------------------------------		--------------------------------------------------
	skipping to change at page 22, line 45		skipping to change at page 23, line 17
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	| 4 | Num Wavelengths = 40 | Length = 16 bytes |		| 4 | Num Wavelengths = 40 | Length = 16 bytes |
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	|Grid | C.S. | Reserved | n for lowest frequency = -11 |		|Grid | C.S. | Reserved | n for lowest frequency = -11 |
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	|1 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0|		|1 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0|
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	|1 0 0 0 0 0 1 0| Not used in 40 Channel system (all zeros) |		|1 0 0 0 0 0 1 0| Not used in 40 Channel system (all zeros) |
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	A.2. Connectivity Matrix Sub-TLV		To encode this same set as an inclusive list we would have:
			0 1 2 3
			0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
			+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
			| 0 | Num Wavelengths = 40 | Length = 20 bytes |
			+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
			|Grid | C.S. | Reserved | n for lowest frequency = -11 |
			+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
			| n2 = -6 | n3 = 0 |
			+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
			| n4 = 8 | n5 = 9 |
			+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
			| n6 = 21 | n7 = 27 |
			+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
			A.3. Connectivity Matrix Sub-TLV
	Example:		Example:
	Suppose we have a typical 2-degree 40 channel ROADM. In addition to		Suppose we have a typical 2-degree 40 channel ROADM. In addition to
	its two line side ports it has 80 add and 80 drop ports. The picture		its two line side ports it has 80 add and 80 drop ports. The picture
	below illustrates how a typical 2-degree ROADM system that works with		below illustrates how a typical 2-degree ROADM system that works with
	bi-directional fiber pairs is a highly asymmetrical system composed		bi-directional fiber pairs is a highly asymmetrical system composed
	of two unidirectional ROADM subsystems.		of two unidirectional ROADM subsystems.
	(Tributary) Ports #3-#42		(Tributary) Ports #3-#42
	Ingress added to Egress dropped from		Ingress added to Egress dropped from
	West Line Egress East Line Ingress		West Line Egress East Line Ingress
	vvvvv ^^^^^		vvvvv ^^^^^
	| |||.| | |||.|		| |||.| | |||.|
	+-----| |||.|--------| |||.|------+		+-----| |||.|--------| |||.|------+
	| +----------------------+ |		| +----------------------+ |
	| | | |		| | | |
	Egress | | Unidirectional ROADM | | Ingress		Egress | | Unidirectional ROADM | | Ingress
	-----------------+ | | +--------------		-----------------+ | | +--------------
	<=====================| |===================<		<=====================| |===================<
	-----------------+ +----------------------+ +--------------		-----------------+ +----------------------+ +--------------
	| |		| |
	Port #1 | | Port #2		Port #1 | | Port #2
	(West Line Side) | |(East Line Side)		(West Line Side) | |(East Line Side)
	skipping to change at page 25, line 12		skipping to change at page 25, line 12
	connectivity matrix as follows. This representation uses only 30 32-		connectivity matrix as follows. This representation uses only 30 32-
	bit words.		bit words.
	0 1 2 3		0 1 2 3
	0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1		0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	| Conn = 1 | MatrixID | Reserved |1		| Conn = 1 | MatrixID | Reserved |1
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	Note: adds to line		Note: adds to line
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	| Action=2 |0 1|0 0 0 0 0 0|Reserved(Note:inclusive range) |2		| Action=1 |0 1|0 0 0 0 0 0| Length = 12 |2
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	| Link Local Identifier = #3 |3		| Link Local Identifier = #3 |3
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	| Link Local Identifier = #42 |4		| Link Local Identifier = #42 |4
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	| Action=0 |1 0|0 0 0 0 0 0|Reserved (Note:inclusive list) |5		| Action=0 |1 0|0 0 0 0 0 0| Length = 8 |5
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	| Link Local Identifier = #1 |6		| Link Local Identifier = #1 |6
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	Note: line to drops		Note: line to drops
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	| Action=0 |0 1|0 0 0 0 0 0|Reserved (Note:inclusive list) |7		| Action=0 |0 1|0 0 0 0 0 0| Length = 8 |7
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	| Link Local Identifier = #2 |8		| Link Local Identifier = #2 |8
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	| Action=2 |1 0|0 0 0 0 0 0|Reserved(Note: inclusive range)|9		| Action=1 |1 0|0 0 0 0 0 0| Length = 12 |9
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	| Link Local Identifier = #3 |10		| Link Local Identifier = #3 |10
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	| Link Local Identifier = #42 |11		| Link Local Identifier = #42 |11
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	Note: line to line		Note: line to line
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	| Action=0 |0 1|0 0 0 0 0 0|Reserved (Note:inclusive list) |12		| Action=0 |0 1|0 0 0 0 0 0| Length = 8 |12
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	| Link Local Identifier = #2 |13		| Link Local Identifier = #2 |13
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	| Action=0 |1 0|0 0 0 0 0 0|Reserved(Note: inclusive range)|14		| Action=0 |1 0|0 0 0 0 0 0| Length = 8 |14
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	| Link Local Identifier = #1 |15		| Link Local Identifier = #1 |15
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	Note: adds to line		Note: adds to line
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	| Action=2 |0 1|0 0 0 0 0 0|Reserved(Note:inclusive range) |16		| Action=1 |0 1|0 0 0 0 0 0| Length = 12 |16
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	| Link Local Identifier = #42 |17		| Link Local Identifier = #43 |17
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	| Link Local Identifier = #82 |18		| Link Local Identifier = #82 |18
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	| Action=0 |1 0|0 0 0 0 0 0|Reserved (Note:inclusive list) |19		| Action=0 |1 0|0 0 0 0 0 0| Length = 8 |19
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	| Link Local Identifier = #2 |20		| Link Local Identifier = #2 |20
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	Note: line to drops		Note: line to drops
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	| Action=0 |0 1|0 0 0 0 0 0|Reserved (Note:inclusive list) |21		| Action=0 |0 1|0 0 0 0 0 0|| Length = 8 |21
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	| Link Local Identifier = #1 |22		| Link Local Identifier = #1 |22
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	| Action=2 |1 0|0 0 0 0 0 0|Reserved(Note: inclusive range)|23		| Action=1 |1 0|0 0 0 0 0 0| Length = 12 |23
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	| Link Local Identifier = #43 |24		| Link Local Identifier = #43 |24
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	| Link Local Identifier = #82 |25		| Link Local Identifier = #82 |25
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	Note: line to line		Note: line to line
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	| Action=0 |0 1|0 0 0 0 0 0|Reserved (Note:inclusive list) |26		| Action=0 |0 1|0 0 0 0 0 0| Length = 8 |26
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	| Link Local Identifier = #1 |27		| Link Local Identifier = #1 |27
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	| Action=0 |1 0|0 0 0 0 0 0|Reserved(Note: inclusive range)|28		| Action=0 |1 0|0 0 0 0 0 0| Length = 8 |28
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	| Link Local Identifier = #2 |30		| Link Local Identifier = #2 |30
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	A.3. Wavelength Converter Accessibility Sub-TLV		A.4. Connectivity Matrix with Bi-directional Symmetry
			If one has the ability to renumber the ports of the previous example
			as shown in the next figure then we can take advantage of the bi-
			directional symmetry and use bi-directional encoding of the
			connectivity matrix. Note that we set dir=bidirectional in the link
			set fields.
			(Tributary)
			Ports #3-42 Ports #43-82
			West Line Egress East Line Ingress
			vvvvv ^^^^^
			| |||.| | |||.|
			+-----| |||.|--------| |||.|------+
			| +----------------------+ |
			| | | |
			Egress | | Unidirectional ROADM | | Ingress
			-----------------+ | | +--------------
			<=====================| |===================<
			-----------------+ +----------------------+ +--------------
			| |
			Port #1 | | Port #2
			(West Line Side) | |(East Line Side)
			-----------------+ +----------------------+ +--------------
			>=====================| |===================>
			-----------------+ | Unidirectional ROADM | +--------------
			Ingress | | | | Egress
			| | _ | |
			| +----------------------+ |
			+-----| |||.|--------| |||.|------+
			| |||.| | |||.|
			vvvvv ^^^^^
			Ports #3-#42 Ports #43-82
			Egress dropped from Ingress added to
			West Line ingress East Line egress
			0 1 2 3
			0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
			+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
			| Conn = 1 | MatrixID | Reserved |1
			+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
			Add/Drops #3-42 to Line side #1
			+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
			| Action=1 |0 0|0 0 0 0 0 0| Length = 12 |2
			+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
			| Link Local Identifier = #3 |3
			+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
			| Link Local Identifier = #42 |4
			+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
			| Action=0 |0 0|0 0 0 0 0 0| Length = 8 |5
			+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
			| Link Local Identifier = #1 |6
			+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
			Note: line #2 to add/drops #43-82
			+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
			| Action=0 |0 0|0 0 0 0 0 0| Length = 8 |7
			+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
			| Link Local Identifier = #2 |8
			+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
			| Action=1 |0 0|0 0 0 0 0 0| Length = 12 |9
			+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
			| Link Local Identifier = #43 |10
			+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
			| Link Local Identifier = #82 |11
			+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
			Note: line to line
			+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
			| Action=0 |0 0|0 0 0 0 0 0| Length = 8 |12
			+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
			| Link Local Identifier = #1 |13
			+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
			| Action=0 |0 0|0 0 0 0 0 0| Length = 8 |14
			+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
			| Link Local Identifier = #2 |15
			+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
			A.5. Wavelength Converter Accessibility Sub-TLV
	Example:		Example:
	Figure 1 shows a wavelength converter pool architecture know as		Figure 1 shows a wavelength converter pool architecture know as
	"shared per fiber". In this case the ingress and egress pool matrices		"shared per fiber". In this case the ingress and egress pool matrices
	are simply:		are simply:
	+-----+ +-----+		+-----+ +-----+
	| 1 1 | | 1 0 |		| 1 1 | | 1 0 |
	WI =| |, WE =| |		WI =| |, WE =| |
	| 1 1 | | 0 1 |		| 1 1 | | 0 1 |
	+-----+ +-----+		+-----+ +-----+
	+-----------+ +------+		+-----------+ +------+
	| |--------------------->| |		| |--------------------->| |
	| |--------------------->| C |		| |--------------------->| C |
	/| | |--------------------->| o | E1		/| | |--------------------->| o |
	I1 /D+--->| |--------------------->| m |		/D+--->| |--------------------->| m |
	+ e+--->| | | b |========>		+ e+--->| | | b |========>
	========>| M| | Optical | +-----------+ | i | Port #3		========>| M| | Optical | +-----------+ | i | Port E1
	Port #1 + u+--->| Switch | | WC Pool | | n |		Port I1 + u+--->| Switch | | WC Pool | | n |
	\x+--->| | | +-----+ | | e |		\x+--->| | | +-----+ | | e |
	\| | +----+->|WC #1|--+---->| r |		\| | +----+->|WC #1|--+---->| r |
	| | | +-----+ | +------+		| | | +-----+ | +------+
	| | | | +------+		| | | | +------+
	/| | | | +-----+ | | |		/| | | | +-----+ | | |
	I2 /D+--->| +----+->|WC #2|--+---->| C | E2		/D+--->| +----+->|WC #2|--+---->| C |
	+ e+--->| | | +-----+ | | o |		+ e+--->| | | +-----+ | | o |
	========>| M| | | +-----------+ | m |========>		========>| M| | | +-----------+ | m |========>
	Port #2 + u+--->| | | b | Port #4		Port I2 + u+--->| | | b | Port E2
	\x+--->| |--------------------->| i |		\x+--->| |--------------------->| i |
	\| | |--------------------->| n |		\| | |--------------------->| n |
	| |--------------------->| e |		| |--------------------->| e |
	| |--------------------->| r |		| |--------------------->| r |
	+-----------+ +------+		+-----------+ +------+
	Figure 1 An optical switch featuring a shared per fiber wavelength		Figure 1 An optical switch featuring a shared per fiber wavelength
	converter pool architecture.		converter pool architecture.
	This wavelength converter pool can be encoded as follows:		This wavelength converter pool can be encoded as follows:
	0 1 2 3		0 1 2 3
	0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1		0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	| Num In Pairs=1| Reserved |
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	Note: I1,I2 can connect to either WC1 or WC2		Note: I1,I2 can connect to either WC1 or WC2
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	| Action=0 |0 1|0 0 0 0 0 0|Reserved(Note: inclusive list) |		| Action=0 |0 1|0 0 0 0 0 0| Length = 12 |
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	| Link Local Identifier = #1 |		| Link Local Identifier = #1 |
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	| Link Local Identifier = #2 |		| Link Local Identifier = #2 |
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	| Action=0 | Reserved(Note: inclusive WC list) |		| Action=0 |1| Reserved | Length = 8 |
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	| WC ID = #1 | WC ID = #2 |		| WC ID = #1 | WC ID = #2 |
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	Note: WC1 can only connect to E1		Note: WC1 can only connect to E1
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	| Action=0 | Reserved(Note: inclusive list) |		| Action=0 |0| Reserved | Length = 8 |
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	| WC ID = #1 | zero padding |		| WC ID = #1 | zero padding |
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	| Action=0 |1 0|0 0 0 0 0 0|Reserved(Note: inclusive list) |		| Action=0 |1 0|0 0 0 0 0 0| Length = 8 |
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	| Link Local Identifier = #3 |		| Link Local Identifier = #1 |
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	Note: WC2 can only connect to E2		Note: WC2 can only connect to E2
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	| Action=0 | Reserved(Note: inclusive WC list) |		| Action=0 |0| | Length = 8 |
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	| WC ID = #2 | zero padding |		| WC ID = #2 | zero padding |
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	| Action=0 |1 0|0 0 0 0 0 0|Reserved(Note: inclusive list) |		| Action=0 |1 0|0 0 0 0 0 0| Length = 8 |
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	| Link Local Identifier = #4 |		| Link Local Identifier = #2 |
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	A.4. Wavelength Conversion Range Sub-TLV		A.6. Wavelength Conversion Range Sub-TLV
	Example:		Example:
	We give an example based on figure 1 about how to represent the		We give an example based on figure 1 about how to represent the
	wavelength conversion range of wavelength converters. Suppose the		wavelength conversion range of wavelength converters. Suppose the
	wavelength range of input and output of WC1 and WC2 are {L1, L2, L3,		wavelength range of input and output of WC1 and WC2 are {L1, L2, L3,
	L4}:		L4}:
	0 1 2 3		0 1 2 3
	0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1		0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	| Reserved |
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	Note: WC Set		Note: WC Set
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	| Action=0 |0 1| Reserved(Note: inclusive list) |		| Action=0 |1| Reserved | Length = 8 |
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	| WC ID = #1 | WC ID = #2 |		| WC ID = #1 | WC ID = #2 |
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	Note: wavelength input range		Note: wavelength input range
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	| Action = 2 | Reserved | Num Wavelengths = 4 |		| 2 | Num Wavelengths = 4 | Length = 8 |
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	|Grid | C.S. | Reserved | n for lowest frequency = 1 |		|Grid | C.S. | Reserved | n for lowest frequency = 1 |
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	Note: wavelength output range		Note: wavelength output range
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	| Action = 2 | Reserved | Num Wavelengths = 4 |		| 2 | Num Wavelengths = 4 | Length = 8 |
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	|Grid | C.S. | Reserved | n for lowest frequency = 1 |		|Grid | C.S. | Reserved | n for lowest frequency = 1 |
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	10. References		10. References
	10.1. Normative References		10.1. Normative References
	[RFC2119] Bradner, S., "Key words for use in RFCs to Indicate		[RFC2119] Bradner, S., "Key words for use in RFCs to Indicate
	Requirement Levels", BCP 14, RFC 2119, March 1997.		Requirement Levels", BCP 14, RFC 2119, March 1997.
End of changes. 63 change blocks.
	102 lines changed or deleted		237 lines changed or added
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