draft-ietf-ccamp-rwa-wson-encode-26.txt   draft-ietf-ccamp-rwa-wson-encode-27.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: November 2014 D. Li Expires: August 2015 D. Li
Huawei Huawei
W. Imajuku W. Imajuku
NTT NTT
May 21, 2014 February 4, 2015
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-26.txt draft-ietf-ccamp-rwa-wson-encode-27.txt
Status of this Memo Status of this Memo
This Internet-Draft is submitted to IETF in full conformance with This Internet-Draft is submitted to IETF in full conformance with
the provisions of BCP 78 and BCP 79. the provisions of BCP 78 and BCP 79.
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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
months and may be updated, replaced, or obsoleted by other documents months and may be updated, replaced, or obsoleted by other documents
at any time. It is inappropriate to use Internet-Drafts as at any time. It is inappropriate to use Internet-Drafts as
reference material or to cite them other than as "work in progress." reference 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
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This Internet-Draft will expire on August 21, 2014. This Internet-Draft will expire on August 4, 2015.
Copyright Notice Copyright Notice
Copyright (c) 2014 IETF Trust and the persons identified as the Copyright (c) 2014 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 Provisions Relating to IETF Documents
(http://trustee.ietf.org/license-info) in effect on the date of (http://trustee.ietf.org/license-info) in effect on the date of
publication of this document. Please review these documents publication of this document. Please review these documents
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Abstract Abstract
A wavelength switched optical network (WSON) requires that certain A wavelength switched optical network (WSON) requires that certain
key information elements are made available to facilitate path key information elements are made available to facilitate path
computation and the establishment of label switching paths (LSPs). computation and the establishment of label switching paths (LSPs).
The information model described in "Routing and Wavelength The information model described in "Routing and Wavelength
Assignment Information for Wavelength Switched Optical Networks" Assignment Information for Wavelength Switched Optical Networks"
shows what information is required at specific points in the WSON. shows what information is required at specific points in the WSON.
Part of the WSON information model contains aspects that may be of Part of the WSON information model contains aspects that may be of
general applicability to other technologies, while other parts are general applicability to other technologies, while other parts are
fairly specific to WSONs. specific to WSONs.
This document provides efficient, protocol-agnostic encodings for This document provides efficient, protocol-agnostic encodings for
the WSON specific information elements. It is intended that the WSON specific information elements. It is intended that
protocol-specific documents will reference this memo to describe how protocol-specific documents will reference this memo to describe how
information is carried for specific uses. Such encodings can be used information is carried for specific uses. Such encodings can be used
to extend GMPLS signaling and routing protocols. In addition these to extend GMPLS signaling and routing protocols. In addition these
encodings could be used by other mechanisms to convey this same encodings could be used by other mechanisms to convey this same
information to a path computation element (PCE). information to a path computation element (PCE).
Conventions used in this document Conventions used in this document
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Table of Contents Table of Contents
1. Introduction...................................................3 1. Introduction...................................................3
1.1. Terminology..................................................4 1.1. Terminology..................................................4
2. Resources, Resource Blocks, and the Resource Pool..............4 2. Resources, Resource Blocks, and the Resource Pool..............4
2.1. Resource Block Set Field..................................5 2.1. Resource Block Set Field..................................5
3. Resource Accessibility/Availability............................6 3. Resource Accessibility/Availability............................6
3.1. Resource Accessibility Field..............................6 3.1. Resource Accessibility Field..............................6
3.2. Resource Wavelength Constraints Field.....................8 3.2. Resource Wavelength Constraints Field.....................8
3.3. Resource Block Pool State (RBPoolState) Field............10 3.3. Resource Block Pool State (RBPoolState) Field.............9
3.4. Resource Block Shared Access Wavelength Availability 3.4. Resource Block Shared Access Wavelength Availability
(RBSharedAccessWaveAvailability) Field........................11 (RBSharedAccessWaveAvailability) Field........................11
4. Resource Block Information (ResourceBlockInfo) Field..........13 4. Resource Block Information (ResourceBlockInfo) Field..........12
4.1. Optical Interface Class List Subfield....................15 4.1. Optical Interface Class List Subfield....................14
4.1.1. ITU-G.698.1 Application Code Mapping.............16 4.1.1. ITU-G.698.1 Application Code Mapping.............16
4.1.2. ITU-G.698.2 Application Code Mapping.............18 4.1.2. ITU-G.698.2 Application Code Mapping.............18
4.1.3. ITU-G.959.1 Application Code Mapping.............19 4.1.3. ITU-G.959.1 Application Code Mapping.............19
4.1.4. ITU-G.695 Application Code Mapping...............22 ITU-G.695 Application Code Mapping.....................22
4.1.4...................................................22
4.2. Acceptable Client Signal List Subfield................24 4.2. Acceptable Client Signal List Subfield................24
4.3. Input Bit Rate List Subfield..........................24 4.3. Input Bit Rate List Subfield..........................24
4.4. Processing Capability List Subfield...................25 4.4. Processing Capability List Subfield...................25
5. Security Considerations.......................................26 5. Security Considerations.......................................27
6. IANA Considerations...........................................27 6. IANA Considerations...........................................27
6.1. Types for subfields of WSON Resource Block Information...27 6.1. Types for subfields of WSON Resource Block Information...27
7. Acknowledgments...............................................27 7. Acknowledgments...............................................28
APPENDIX A: Encoding Examples....................................28 APPENDIX A: Encoding Examples....................................29
A.1. Wavelength Converter Accessibility Field.................28 A.1. Wavelength Converter Accessibility Field.................29
A.2. Wavelength Conversion Range Field........................29 A.2. Wavelength Conversion Range Field........................31
A.3. An OEO Switch with DWDM Optics...........................30 A.3. An OEO Switch with DWDM Optics...........................31
8. References....................................................33 8. References....................................................35
8.1. Normative References.....................................33 8.1. Normative References.....................................35
8.2. Informative References...................................33 8.2. Informative References...................................35
9. Contributors..................................................35 9. Contributors..................................................37
Authors' Addresses...............................................36 Authors' Addresses...............................................38
Intellectual Property Statement..................................37 Intellectual Property Statement..................................39
Disclaimer of Validity...........................................38 Disclaimer of Validity...........................................40
1. Introduction 1. Introduction
A Wavelength Switched Optical Network (WSON) is a Wavelength A Wavelength Switched Optical Network (WSON) is a Wavelength
Division Multiplexing (WDM) optical network in which switching is Division Multiplexing (WDM) optical network in which switching is
performed selectively based on the center wavelength of an optical performed selectively based on the center wavelength of an optical
signal. signal.
[RFC6163] describes a framework for Generalized Multiprotocol Label [RFC6163] describes a framework for Generalized Multiprotocol Label
Switching (GMPLS) and Path Computation Element (PCE) control of a Switching (GMPLS) and Path Computation Element (PCE) control of a
WSON. Based on this framework, [RWA-Info] describes an information WSON. Based on this framework, [RWA-Info] describes an information
model that specifies what information is needed at various points in model that specifies what information is needed at various points in
a WSON in order to compute paths and establish Label Switched Paths a WSON in order to compute paths and establish Label Switched Paths
(LSPs). (LSPs).
This document provides efficient encodings of information needed by This document provides efficient encodings of information needed by
the routing and wavelength assignment (RWA) process in a WSON. Such the routing and wavelength assignment (RWA) process in a WSON. Such
encodings can be used to extend GMPLS signaling and routing encodings can be used to extend GMPLS signaling and routing
protocols. In addition these encodings could be used by other protocols. In addition these encodings could be used by other
mechanisms to convey this same information to a path computation mechanisms to convey this same information to a path computation
element (PCE). Note that since these encodings are relatively element (PCE). Note that since these encodings are efficient they
efficient they can provide more accurate analysis of the control can provide more accurate analysis of the control plane
plane communications/processing load for WSONs looking to utilize a communications/processing load for WSONs looking to utilize a GMPLS
GMPLS control plane. control plane.
In parallel to this document, [Gen-Encode] provides efficient
encodings of information needed by the routing and label assignment
process that are potentially applicable to a wider range of
technologies.
1.1. Terminology 1.1. Terminology
Refer to [RFC6163] for CWDM, DWDM, RWA, WDM. Refer to [RFC6163] for CWDM, DWDM, RWA, WDM.
Refer to Section 5 of [Gen-Encode] for the terminology of Resources, Refer to Section 5 of [RWA-Info] for the terminology of Resources,
Resources Blocks, and Resource Pool. Resources Blocks, and Resource Pool.
2. Resources, Resource Blocks, and the Resource Pool 2. Resources, Resource Blocks, and the Resource Pool
This section provides encodings for the information elements defined This section provides encodings for the information elements defined
in [RWA-Info] that have applicability to WSON. The encodings are in [RWA-Info] that have applicability to WSON. The encodings are
designed to be suitable for use in the GMPLS routing protocols OSPF designed to be suitable for use in the GMPLS routing protocols OSPF
[RFC4203] and IS-IS [RFC5307] and in the PCE protocol (PCEP) [RFC4203] and IS-IS [RFC5307] and in the PCE protocol (PCEP)
[RFC5440]. Note that the information distributed in [RFC4203] and [RFC5440]. 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
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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.
RB Identifier: RB Identifier:
The RB identifier represents the ID of the resource block which is a The RB identifier represents the ID of the resource block which is a
32 bit integer. 32 bit integer. The scope of the RB identifier is local to the node
on which it is applied.
Usage Note: the inclusive range "Action" can result in very compact Usage Note: the inclusive range "Action" can result in very compact
encoding of resource sets and it can be advantages to number encoding of resource sets and it can be advantages to number
resource blocks in such a way so that status updates (dynamic resource blocks in such a way so that status updates (dynamic
information) can take advantage of this efficiency. information) can take advantage of this efficiency.
3. Resource Accessibility/Availability 3. Resource Accessibility/Availability
This section defines the information elements for dealing with This section defines the information elements for dealing with
accessibility and availability of resource blocks within a pool of accessibility and availability of resource blocks within a pool of
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| Action | Reserved | | Action | Reserved |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| RB Set Field | | RB Set Field |
: : : :
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| RB Usage state | | RB Usage state |
: : : :
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
Where Action = 0 denotes a list of 16 bit integers and Action = 1 Where Action = 0 denotes a list of 16 bit integers and Action = 1
denotes a bit map. In both cases the elements of the RB Set field denotes a bit map. Action = 0 covers the case where there are
are in a one-to-one correspondence with the values in the usage RB multiple elements for each resource block. Action = 1 covers the
usage state area. case where each resource block only contains a single element.
In both cases the elements of the RB Set field are in a one-to-one
correspondence with the values in the usage RB usage state area.
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 = 0 | Reserved | | Action = 0 | Reserved |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| RB Set Field | | RB Set Field |
: : : :
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| RB#1 state | RB#2 state | | RB#1 state | RB#2 state |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
: : : :
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| RB#n-1 state | RB#n state or Padding | | RB#n-1 state | RB#n state or Padding |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
RB#i State (16 bits, unsigned integer): indicates Resource Block #i RB#i State (16 bits, unsigned integer): indicates the number of
is in use or available. resources available in Resource Block #i.
Whether the last 16 bits is a wavelength converter (RB) state or Whether the last 16 bits is a wavelength converter (RB) state or
padding is determined by the number of elements in the RB set field. padding is determined by the number of elements in the RB set field.
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 = 1 | Reserved | | Action = 1 | Reserved |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| RB Set Field | | RB Set Field |
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3.4. Resource Block Shared Access Wavelength Availability 3.4. Resource Block Shared Access Wavelength Availability
(RBSharedAccessWaveAvailability) Field (RBSharedAccessWaveAvailability) Field
Resources blocks may be accessed via a shared fiber. If this is the Resources blocks may be accessed via a shared fiber. If this is the
case, then wavelength availability on these shared fibers is needed case, then wavelength availability on these shared fibers is needed
to understand resource availability. to understand resource availability.
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
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|I|O| Reserved | |I|O|B| Reserved |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| RB Set Field | | RB Set Field |
: : : :
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Input Available Wavelength Set Field | | Input Available Wavelength Set Field |
: (Optional) : : (Optional) :
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Output Available Wavelength Set Field | | Output Available Wavelength Set Field |
: (Optional) : : (Optional) :
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
I bit: I = 1 or 0 indicates the presence or absence of the Input Available
Wavelength Set Field
Indicates whether the input available wavelength set field is O = 1 or 0 indicates the presence or absence of the Output Available
included (1) or not (0). Wavelength Set Field.
O bit: B = 1 indicates that a single Available Wavelength Set Field
represents both Input and Output Available Wavelength Set Fields.
Indicates whether the output available wavelength set field is Currently the only valid combinations of (I,O,B) are (1,0,0),
included (1) or not (0). (0,1,0), (1,1,0), (0,0,1).
RB Set Field: RB Set Field:
A Resource Block set in which all the members share the same input A Resource Block set in which all the members share the same input
or output fiber or both. or output fiber or both.
Input Available Wavelength Set Field: Input Available Wavelength Set Field:
Indicates the wavelengths currently available (not being used) on Indicates the wavelengths currently available (not being used) on
the input fiber to this resource block. This field is encoded via the input fiber to this resource block. This field is encoded via
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rate, G-PID) rate, G-PID)
(c) Input Bit Rate (c) Input Bit Rate
(d) Processing Capabilities (number of resources in a block, (d) Processing Capabilities (number of resources in a block,
regeneration, performance monitoring, vendor specific) regeneration, performance monitoring, vendor specific)
ResourceBlockInfo fields are used to convey relatively static ResourceBlockInfo fields are used to convey relatively static
information about individual resource blocks including the resource information about individual resource blocks including the resource
block properties and the number of resources in a block. block properties and the number of resources in a block.
When more than one ResourceBlockInfo field is used, there are no When more than one ResourceBlockInfo field is used, there are no
ordering requirements amongst these fields. ordering requirements amongst these fields. The length of the
ResourceBlockInfo field is determined from the length of the object
that includes it.
This ResourceBlockInfo field has the following format: This ResourceBlockInfo field has the following format:
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
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| RB Set Field | | RB Set Field |
: : : :
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|I|O| Reserved | |I|O|B| Reserved |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Optional subfield 1 | | Optional subfield 1 |
: ... : : ... :
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
: : : : : :
: : : : : :
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Optional subfield N | | Optional subfield N |
: : : :
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
RB Set Field is described in Section 2.1. RB Set Field is described in Section 2.1.
The shared input or output indication is indicated by the first bit The shared input or output indication is indicated by the first bit
(I) and the second bit (O): (I), the second bit (O) and the third bit (B):
where I and O are set to 1 if the resource blocks identified in the I = 1 or 0 indicates if the resource blocks identified in the RB set
RB set field utilized a shared fiber for input/output access and set field utilized a shared fiber for input access and set to 0
to 0 otherwise. otherwise.
O = 1 or 0 indicates if the resource blocks identified in the RB set
field utilized a shared fiber for output access and set to 0
otherwise.
B = 1 indicates if the resource blocks identified in the RB set
field utilized a shared fiber for both input and output access and
set to 0 otherwise.
Currently the only valid combinations of (I,O,B) are (1,0,0),
(0,1,0), (1,1,0), (0,0,1).
Zero or more Optional subfields MAY be present. Optional subfields Zero or more Optional subfields MAY be present. Optional subfields
have following format: have following format:
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
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Type | Length | | Type | Length |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Value... | | Value... |
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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 |I|O| | Reserved |I|O|
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Optical Interface Classes | | Optical Interface Classes |
: : : :
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
The following I and E combination are defined: The following I and O combination are defined:
I O I O
0 0 Invalid 0 0 Invalid
1 0 Optical Interface Class List acceptable in input 1 0 Optical Interface Class List acceptable in input
0 1 Optical Interface Class List available in output 0 1 Optical Interface Class List available in output
1 1 Optical Interface Class List available on both input and 1 1 Optical Interface Class List available on both input and
skipping to change at page 16, line 4 skipping to change at page 15, line 41
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
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|S| Reserved | OI Code Points | |S| Reserved | OI Code Points |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Optical Interface Class | | Optical Interface Class |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Optical Interface Class (Cont.) | | Optical Interface Class (Cont.) |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
Where the first 32 bits of the encoding shall be used to identify Where the first 32 bits of the encoding shall be used to identify
the semantic of the Optical Interface Class in the following way: the semantic of the Optical Interface Class in the following way:
S Standard bit. S Standard bit.
S=0, identify not ITU code points S=0, identify non ITU code points
S=1, identify ITU application codes S=1, identify ITU application codes
With S=0, the OI Code Points field can take the following With S=0, the OI Code Points field can take the following
values: values:
0: reserved 0: reserved
1: Vendor Specific Optical Interface Class. Future work may add support for vendor-specific AI once the
ITU-T has completed its work in that area.
With S=1, the OI Code Points field can take the following With S=1, the OI Code Points field can take the following
values: values:
0: reserved 0: reserved
1: [ITU-G.698.1] application code. 1: [G.698.1] application code.
2: [ITU-G.698.2] application code. 2: [G.698.2] application code.
3: [ITU-G.959.1] application code. 3: [G.959.1] application code.
4: [ITU-G.695] application code. 4: [G.695] application code.
In case of ITU Application Code, the mapping between the string In case of ITU Application Code, the mapping between the string
defining the application code and the 64 bits number implementing defining the application code and the 64 bits number implementing
the optical interface class is given in the following sections. the optical interface class is given in the following sections.
4.1.1. ITU-G.698.1 Application Code Mapping 4.1.1. ITU-G.698.1 Application Code Mapping
Recommendation ITU-G.698.1 defines the Application Codes: DScW- [698.1] defines the Application Codes: DScW-ytz(v) and B-DScW-
ytz(v) and B-DScW-ytz(v). Where: ytz(v). Where:
B: means Bidirectionals. B: means Bidirectionals.
D: means a DWDM application. D: means a DWDM application.
S: take values N (narrow spectral excursion), W (wide spectral S: take values N (narrow spectral excursion), W (wide spectral
excursion). excursion).
c: Channel Spacing (GHz). c: Channel Spacing (GHz).
W: take values S (short-haul), L (long-haul). W: take values S (short-haul), L (long-haul).
y: take values 1 (NRZ 2.5G), 2 (indicating NRZ 10G). y: take values 1 (NRZ 2.5G), 2 (indicating NRZ 10G).
t: take only D value is defined (link does not contain optical t: take only D value is defined (link does not contain optical
amplifier) amplifier)
z: take values 2 (ITU-T G.652 fibre), 3 (ITU-T G.653 fibre), 5 z: take values 2 ([G.652] fibre), 3 ([G.653] fibre), 5
(indicating ITU-T G.655 fibre). (indicating [G.655] fibre).
v: take values S (Short wavelength), C (Conventional), L (Long v: take values S (Short wavelength), C (Conventional), L (Long
wavelength). wavelength).
An Optional F can be added indicating a FEC Encoding. The F flag indicates the presence or not of an optional FEC
Encoding suffix.
These get mapped into the 64 bit OIC field as follows: These get mapped into the 64 bit OIC field 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
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|B| D |S| c | W | y | t | z | v | F | |B| D |S| c | W | y | t | z | v | F |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| reserved | | reserved |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
Where (values between parenthesis refer to ITU defined values as Where values between parenthesis refer to ITU defined values as
reported above): reported above:
B: = 1 bidirectional, 0 otherwise B: = 1 bidirectional, 0 otherwise
D (prefix): = 0 reserved, = 1 (D) D (prefix): = 0 reserved, = 1 (D)
S: = 0 (N), = 1 (W) S: = 0 (N), = 1 (W)
c: Channel Spacing, 4 bits mapped according to same definition c: Channel Spacing, 4 bits mapped according to same definition
in [RFC6205] (note that DWDM spacing apply here) in Figure 2 in Section 3.2 of [RFC6205] (note that DWDM spacing
W: = 0 reserved, = 2 (S), = 3 (L) apply here)
W: = 0 reserved, = 2 (S), = 3 (L)
y: = 0 reserved, = 1 (1), = 2 (2) y: = 0 reserved, = 1 (1), = 2 (2)
t: = 0 reserved, = 4 (D) t: = 0 reserved, = 4 (D)
z: = 0 reserved, = 2 (2), = 3 (3), = 5 (5) z: = 0 reserved, = 2 (2), = 3 (3), = 5 (5)
v: = 0 reserved, = 1 (S), = 2 (C), = 3 (L) v: = 0 reserved, = 1 (S), = 2 (C), = 3 (L)
F (suffix): = 0 reserved, = 1 Fec Encoding F (suffix): = 0 No FEC Encoding suffix present, = 1 FEC
Encoding suffix present
Values not mentioned here are not allowed in this application Values not mentioned here are not allowed in this application
code, the last 32 bits are reserved and shall be set to zero. code, the last 32 bits are reserved and shall be set to zero.
4.1.2. ITU-G.698.2 Application Code Mapping 4.1.2. ITU-G.698.2 Application Code Mapping
Recommendation ITU-G.698.2 defines the Application Codes: DScW- [G.698.2] defines the Application Codes: DScW-ytz(v) and B-DScW-
ytz(v) and B-DScW-ytz(v). ytz(v).
B: means Bidirectional. B: means Bidirectional.
D: means a DWDM application. D: means a DWDM application.
S: take values N (narrow spectral excursion), W (wide spectral S: take values N (narrow spectral excursion), W (wide spectral
excursion). excursion).
c: Channel Spacing (GHz). c: Channel Spacing (GHz).
W: take values C (link is dispersion compensated), U (link is W: take values C (link is dispersion compensated), U (link is
dispersion uncompensated). dispersion uncompensated).
y: take values 1 (NRZ 2.5G), 2 (indicating NRZ 10G). y: take values 1 (NRZ 2.5G), 2 (indicating NRZ 10G).
t: take value A (link may contains optical amplifier) t: take value A (link may contains optical amplifier)
z: take values 2 (ITU-T G.652 fibre), 3 (ITU-T G.653 fibre), 5 z: take values 2 ([G.652] fibre), 3 ([G.653] fibre), 5
(indicating ITU-T G.655 fibre). (indicating [G.655] fibre).
v: take values S (Short wavelength), C (Conventional), L (Long v: take values S (Short wavelength), C (Conventional), L (Long
wavelength). wavelength).
An Optional F can be added indicating a FEC Encoding. An Optional F can be added indicating a FEC Encoding.
These get mapped into the 64 bit OIC field as follows: These get mapped into the 64 bit OIC field 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
skipping to change at page 19, line 27 skipping to change at page 19, line 23
Where (values between parenthesis refer to ITU defined values as Where (values between parenthesis refer to ITU defined values as
reported above): reported above):
B: = 1 bidirectional, 0 otherwise B: = 1 bidirectional, 0 otherwise
D (prefix): = 0 reserved, = 1 (D) D (prefix): = 0 reserved, = 1 (D)
S: = 0 (N), = 1 (W) S: = 0 (N), = 1 (W)
c: Channel Spacing, 4 bits mapped according to same definition c: Channel Spacing, 4 bits mapped according to same definition
in [RFC6205] (note that DWDM spacing apply here) in Figure 2 in Section 3.2 of [RFC6205] (note that DWDM spacing
apply here)
W: = 0 reserved, = 10 (C), = 11 (U) W: = 0 reserved, = 10 (C), = 11 (U)
y: = 0 reserved, = 1 (1), = 2 (2) y: = 0 reserved, = 1 (1), = 2 (2)
t: = 0 reserved, = 1 (A) t: = 0 reserved, = 1 (A)
z: = 0 reserved, = 2 (2), = 3 (3), = 5 (5) z: = 0 reserved, = 2 (2), = 3 (3), = 5 (5)
v: = 0 reserved, = 1 (S), = 2 (C), = 3 (L) v: = 0 reserved, = 1 (S), = 2 (C), = 3 (L)
F (suffix): = 0 reserved, = 1 Fec Encoding F (suffix): = 0 reserved, = 1 Fec Encoding
Values not mentioned here are not allowed in this application Values not mentioned here are not allowed in this application
code, the last 32 bits are reserved and shall be set to zero. code, the last 32 bits are reserved and shall be set to zero.
4.1.3. ITU-G.959.1 Application Code Mapping 4.1.3. ITU-G.959.1 Application Code Mapping
Recommendation ITU-G.959.1 defines the Application Codes: PnWx-ytz [G.959.1] defines the Application Codes: PnWx-ytz and BnWx-ytz.
and BnWx-ytz. Where: Where:
P,B: when present indicate Plural or Bidirectional P,B: when present indicate Plural or Bidirectional
n: maximum number of channels supported by the application code n: maximum number of channels supported by the application code
(i.e. an integer number) (i.e. an integer number)
W: take values I (intra-office), S (short-haul), L (long-haul), V W: take values I (intra-office), S (short-haul), L (long-haul), V
(very long-haul), U (ultra long-haul). (very long-haul), U (ultra long-haul).
x: maximum number of spans allowed within the application code x: maximum number of spans allowed within the application code
(i.e. an integer number) (i.e. an integer number)
y: take values 1 (NRZ 2.5G), 2 (NRZ 10G), 9 (NRZ 25G), 3 (NRZ y: take values 1 (NRZ 2.5G), 2 (NRZ 10G), 9 (NRZ 25G), 3 (NRZ
skipping to change at page 20, line 24 skipping to change at page 20, line 21
(i.e. an integer number) (i.e. an integer number)
y: take values 1 (NRZ 2.5G), 2 (NRZ 10G), 9 (NRZ 25G), 3 (NRZ y: take values 1 (NRZ 2.5G), 2 (NRZ 10G), 9 (NRZ 25G), 3 (NRZ
40G), 7 (RZ 40G). 40G), 7 (RZ 40G).
t: take values A (power levels suitable for a booster amplifier t: take values A (power levels suitable for a booster amplifier
in the originating ONE and power levels suitable for a pre-amplifier in the originating ONE and power levels suitable for a pre-amplifier
in the terminating ONE), B (booster amplifier only), C (pre- in the terminating ONE), B (booster amplifier only), C (pre-
amplifier only), D (no amplifiers). amplifier only), D (no amplifiers).
z: take values 1 (1310 nm sources on ITU-T G.652 fibre), 2 (1550 z: take values 1 (1310 nm sources on [G.652] fibre), 2 (1550
nm sources on ITU-T G.652 fibre), 3 (1550 nm sources on ITU-T nm sources on [G.652] fibre), 3 (1550 nm sources on [G.653] fibre),
G.653 fibre), 5 (1550 nm sources on ITU-T G.655 fibre). 5 (1550 nm sources on [G.655] fibre).
The following list of suffixes can be added to these application The following list of suffixes can be added to these application
codes: codes:
F: FEC encoding. F: FEC encoding.
D: Adaptive dispersion compensation. D: Adaptive dispersion compensation.
E: receiver capable of dispersion compensation. E: receiver capable of dispersion compensation.
skipping to change at page 21, line 20 skipping to change at page 21, line 20
| y | t | z | suffix | reserved | | y | t | z | suffix | reserved |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
Where (values between parenthesis refer to ITU defined values as Where (values between parenthesis refer to ITU defined values as
reported above): reported above):
p (prefix) = 0 otherwise, = 1 Bidirectional (B) p (prefix) = 0 otherwise, = 1 Bidirectional (B)
P (optional): = 0 not present, = 2 (P). P (optional): = 0 not present, = 2 (P).
n: maximum number of channels (10 bits, up to 1024 channels) n: maximum number of channels (10 bits, up to 1023 channels)
W: = 0 reserved, = 1 (I), = 2 (S), = 3 (L), = 4 (V), = 5 (U) W: = 0 reserved, = 1 (I), = 2 (S), = 3 (L), = 4 (V), = 5 (U)
x: = number of spans (6 bits, up to 64 spans) x: = number of spans (6 bits, up to 64 spans)
y: = 0 reserved, = 1 (1), = 2 (2), = 3 (3), = 7 (7), = 9 (9) y: = 0 reserved, = 1 (1), = 2 (2), = 3 (3), = 7 (7), = 9 (9)
t: = 0 reserved, = 1 (A), = 2 (B), = 3 (C), = 4 (D) t: = 0 reserved, = 1 (A), = 2 (B), = 3 (C), = 4 (D)
z: = 0 reserved, = 1 (1), = 2 (2), = 3 (3), = 5 (5) z: = 0 reserved, = 1 (1), = 2 (2), = 3 (3), = 5 (5)
skipping to change at page 22, line 7 skipping to change at page 22, line 7
0 1 2 3 4 5 0 1 2 3 4 5
+-+-+-+-+-+-+ +-+-+-+-+-+-+
|F|D|E|r|a|b| |F|D|E|r|a|b|
+-+-+-+-+-+-+ +-+-+-+-+-+-+
where a 1 in the appropriate slot indicates that the corresponding where a 1 in the appropriate slot indicates that the corresponding
suffix has been added. suffix has been added.
4.1.4. ITU-G.695 Application Code Mapping 4.1.4. ITU-G.695 Application Code Mapping
Recommendation [ITU-G.695] defines the Application Codes: CnWx-ytz [G.695] defines the Application Codes: CnWx-ytz and B-CnWx-ytz and
and B-CnWx-ytz and S-CnWx-ytz. S-CnWx-ytz.
Where the optional prefixed are: Where the optional prefixed are:
B: Bidirectional B: Bidirectional
S: a system using a black link approach S: a system using a black link approach
And the rest of the application code is defined as: And the rest of the application code is defined as:
C: CWDM (Coarse WDM) application C: CWDM (Coarse WDM) application
skipping to change at page 22, line 31 skipping to change at page 22, line 31
(i.e. an integer number) (i.e. an integer number)
W: take values S (short-haul), L (long-haul). W: take values S (short-haul), L (long-haul).
x: maximum number of spans allowed x: maximum number of spans allowed
y: take values 0 (NRZ 1.25G), 1 (NRZ 2.5G), 2 (NRZ 10G). y: take values 0 (NRZ 1.25G), 1 (NRZ 2.5G), 2 (NRZ 10G).
t: take values D (link does not contain any optical amplifier). t: take values D (link does not contain any optical amplifier).
z: take values 1 (1310 nm region for ITU-T G.652 fibre), 2 (ITU-T z: take values 1 (1310 nm region for [G.652] fibre), 2 (ITU-T
G.652 fibre), 3 (ITU-T G.653 fibre), 5 (ITU-T G.655 fibre). [G.652] fibre), 3 ([G.653] fibre), 5 ([G.655] fibre).
The following list of suffixes can be added to these application The following list of suffixes can be added to these application
codes: codes:
F: FEC encoding. F: FEC encoding.
Since the application codes are very similar to the one from the Since the application codes are very similar to the one from the
G.959 section most of the fields are reused. The 64 bit OIC field is [G.959] section most of the fields are reused. The 64 bit OIC field
encoded as follows: is 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
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| p | C | n | W | x | reserved | | p | C | n | W | x | reserved |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| y | t | z | suffix | reserved | | y | t | z | suffix | reserved |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
Where (values between parenthesis refer to ITU defined values as Where (values between parenthesis refer to ITU defined values as
reported above): reported above):
p: = 0 no prefix, 1 = B bidirectional, = 2 S black link p: = 0 no prefix, 1 = B bidirectional, = 2 S black link
C: = 0 reserved, = 3 (C). C: = 0 reserved, = 3 (C).
n: maximum number of channels (10 bits, up to 1024 channels) n: maximum number of channels (10 bits, up to 1023 channels)
W: = 0 reserved, = 1 reserved, = 2 (S), = 3 (L), > 3 reserved W: = 0 reserved, = 1 reserved, = 2 (S), = 3 (L), > 3 reserved
x: = number of spans (6 bits, up to 64 spans) x: = number of spans (6 bits, up to 64 spans)
y: = 0 (0), = 1 (1), =2 (2), > 2 reserved y: = 0 (0), = 1 (1), =2 (2), > 2 reserved
t: = 4 (D), all other values are reserved t: = 4 (D), all other values are reserved
z: = 0 reserved, = 1 (1), = 2 (2), = 3 (3) z: = 0 reserved, = 1 (1), = 2 (2), = 3 (3)
skipping to change at page 25, line 30 skipping to change at page 25, line 30
The processing capability list field is a list of capabilities that The processing capability list field is a list of capabilities that
can be achieved through the referred resources: can be achieved through the referred resources:
1. Regeneration capability 1. Regeneration capability
2. Fault and performance monitoring 2. Fault and performance monitoring
3. Vendor Specific capability 3. Vendor Specific capability
Note that the code points for Fault and performance monitoring and Fault and performance monitoring and vendor Specific capability have
vendor specific capability are subject to further study. no additional capability parameters.
The processing capability list field is then given by: The processing capability list field is then 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
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Reserved | Processing Cap ID | | Reserved | Processing Cap ID |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Possible additional capability parameters depending upon | | Possible additional capability parameters depending upon |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
: the processing ID : : the processing ID :
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
The processing capability ID field defines the following processing
capabilities:
0: Reserved
1: Regeneration capability
2: Fault and performance monitoring
3: Vendor Specific capability
When the processing Cap ID is "regeneration capability", the When the processing Cap ID is "regeneration capability", the
following additional capability parameters are provided in the following additional capability parameters are provided in the
following field: following field:
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
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| T | C | Reserved | | T | C | Reserved |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
skipping to change at page 26, line 36 skipping to change at page 26, line 47
C=0: Reserved C=0: Reserved
C=1: Fixed Regeneration Point C=1: Fixed Regeneration Point
C=2: Selective Regeneration Point C=2: Selective Regeneration Point
Note that when the capability of regenerator is indicated to be Note that when the capability of regenerator is indicated to be
Selective Regeneration Pools, regeneration pool properties such as Selective Regeneration Pools, regeneration pool properties such as
input and output restrictions and availability need to be specified. input and output restrictions and availability need to be specified.
The code point for this is subject to further study. These properties will be encoded in the capabilities field starting
with the bits marked Reserved in the figure. An additional
specification describing the encoding of these parameters is
required before the value C=2 can be used.
5. Security Considerations 5. 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
protection. A general discussion on security in GMPLS networks can protection. A general discussion on security in GMPLS networks can
be found in [RFC5920]. be found in [RFC5920].
6. IANA Considerations 6. IANA Considerations
This document introduces a new registry for GMPLS routing parameters This document introduces a new registry for GMPLS routing parameters
for WSON encoding. This new IANA registry will be created to make for WSON encoding. This new IANA registry will be created to make
the assignment of a new type and new values for the new "GMPLS the assignment of a new type and new values for the new "GMPLS
Routing Parameters for WSON." Routing Parameters for WSON." Note that this registry is only used
in routing, not in signaling.
6.1. Types for subfields of WSON Resource Block Information 6.1. Types for subfields of WSON Resource Block Information
Under this new GMPLS Routing Parameters for WSON, a new IANA Under this new GMPLS Routing Parameters for WSON, a new IANA
registry will be created for nested subfields of the Resource Block registry will be created for nested subfields of the Resource Block
Information field to create a new section named "Types for subfields Information field to create a new section named "Types for subfields
of WSON Resource Block Information" and allocate new values as of WSON Resource Block Information" and allocate new values as
follows: follows:
Value Length Sub-TLV Type Reference Value Length Sub-TLV Type Reference
skipping to change at page 28, line 46 skipping to change at page 30, line 5
========>| M| | | +-----------+ | m |=======> ========>| M| | | +-----------+ | m |=======>
Port I2 + u+--->| | | b | Port O2 Port I2 + u+--->| | | b | Port O2
\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: The wavelength converters are resource blocks and the wavelength
converter pool is a resource block pool. This 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
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Reserved |1| Reserved | | Reserved |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| Reserved | Length = 12 | | Action=0 |0| Reserved | Length = 12 |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
skipping to change at page 30, line 36 skipping to change at page 31, line 40
| 2 | Num Wavelengths = 4 | Length = 8 | | 2 | Num Wavelengths = 4 | Length = 8 |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|Grid | C.S. | Reserved | n for lowest frequency = 1 | |Grid | C.S. | Reserved | n for lowest frequency = 1 |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
A.3. An OEO Switch with DWDM Optics A.3. An OEO Switch with DWDM Optics
Figure 2 shows an electronic switch fabric surrounded by DWDM Figure 2 shows an electronic switch fabric surrounded by DWDM
optics. In this example the electronic fabric can handle either optics. In this example the electronic fabric can handle either
G.709 or SDH signals only (2.5 or 10 Gbps). To describe this node, G.709 or SDH signals only (2.5 or 10 Gbps). To describe this node,
the following information is needed: the following information in RBNF form [RFC5511] is needed:
<Node_Info> ::= <Node_ID>[Other GMPLS info- <Node_Info> ::= <Node_ID>
elements][<ConnectivityMatrix>...] [<ResourcePool>][<RBPoolState>]
[Other GMPLS info-elements]
[<ConnectivityMatrix>...]
[<ResourcePool>]
[<RBPoolState>]
In this case there is complete port to port connectivity so the In this case there is complete port to port connectivity so the
<ConnectivityMatrix> is not required. In addition since there are <ConnectivityMatrix> is not required. In addition since there are
sufficient ports to handle all wavelength signals the <RBPoolState> sufficient ports to handle all wavelength signals the <RBPoolState>
element is not needed. element is not needed.
Hence the attention will be focused on the <ResourcePool> field: Hence the attention will be focused on the <ResourcePool> field:
<ResourcePool> ::= <ResourcePool> ::= <ResourceBlockInfo>
<ResourceBlockInfo>[<RBAccessibility>...][<ResourceWaveConstraints>.
..] [<RBAccessibility>...]
[<ResourceWaveConstraints>...]
/| +-----------+ +-------------+ +------+ /| +-----------+ +-------------+ +------+
/D+--->| +--->|Tunable Laser|-->| | /D+--->| +--->|Tunable Laser|-->| |
+ e+--->| | +-------------+ | C | + e+--->| | +-------------+ | C |
========>| M| | | ... | o |=======> ========>| M| | | ... | o |=======>
Port I1 + u+--->| | +-------------+ | m | Port O1 Port I1 + u+--->| | +-------------+ | m | Port O1
\x+--->| |--->|Tunable Laser|-->| b | \x+--->| |--->|Tunable Laser|-->| b |
\| | Electric | +-------------+ +------+ \| | Electric | +-------------+ +------+
| Switch | | Switch |
/| | | +-------------+ +------+ /| | | +-------------+ +------+
/D+--->| +--->|Tunable Laser|-->| | /D+--->| +--->|Tunable Laser|-->| |
skipping to change at page 32, line 12 skipping to change at page 33, line 19
<ResourceBlockInfo>: <ResourceBlockInfo>:
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
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| RB Set Field | | RB Set Field |
: (only one resource block in this example with shared | : (only one resource block in this example with shared |
| input/output case) | | input/output case) |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|1|1| Reserved | |1|1|0| Reserved |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Optical Interface Class List(s) | | Optical Interface Class List(s) |
: : : :
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Input Client Signal Type | | Input Client Signal Type |
: (G-PIDs for SDH and G.709) : : (G-PIDs for SDH and G.709) :
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Input Bit Rate Range List | | Input Bit Rate Range List |
: (2.5Gbps, 10Gbps) : : (2.5Gbps, 10Gbps) :
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
skipping to change at page 33, line 21 skipping to change at page 35, line 21
[RFC4328] Papadimitriou, D., Ed., "Generalized Multi-Protocol Label [RFC4328] Papadimitriou, D., Ed., "Generalized Multi-Protocol Label
Switching (GMPLS) Signaling Extensions for G.709 Optical Switching (GMPLS) Signaling Extensions for G.709 Optical
Transport Networks Control", RFC 4328, January 2006. Transport Networks Control", RFC 4328, January 2006.
[Gen-Encode] G. Bernstein, Y. Lee, D. Li, W. Imajuku, "General [Gen-Encode] G. Bernstein, Y. Lee, D. Li, W. Imajuku, "General
Network Element Constraint Encoding for GMPLS Controlled Network Element Constraint Encoding for GMPLS Controlled
Networks", work in progress: draft-ietf-ccamp-general- Networks", work in progress: draft-ietf-ccamp-general-
constraint-encode. constraint-encode.
[RWA-Info] G. Bernstein, Y. Lee, D. Li, W. Imajuku, "Routing and
Wavelength Assignment Information Model for Wavelength
Switched Optical Networks", work in progress: draft-ietf-
ccamp-rwa-info.
[RFC6205] T. Otani, H. Guo, K. Miyazaki, D. Caviglia, "Generalized
Labels for G.694 Lambda-Switching Capable Label Switching
Routers", RFC 6205, March 2011.
8.2. Informative References 8.2. Informative References
[IEEE] IEEE, "IEEE Standard for Binary Floating-Point [IEEE] IEEE, "IEEE Standard for Binary Floating-Point
Arithmetic", Standard 754-1985, 1985 (ISBN 1-5593-7653-8). Arithmetic", Standard 754-1985, 1985 (ISBN 1-5593-7653-8).
[G.694.1] ITU-T Recommendation G.694.1, Spectral grids for WDM [G.652] ITU-T Recommendation G.652, Characteristics of a single-mode
optical fibre and cable, September, 2011.
[G.653] ITU-T Recommendation G.653, Characteristics of a dispersion-
shifted, single-mode optical fibre and cable, July,
2010.
[G.655] ITU-T Recommendation G.655, Characteristics of a non-zero
dispersion-shifted single-mode optical fibre and cable,
September, 2011.
[G.698.1] ITU-T Recommendation G.698.1, Spectral grids for WDM
applications: DWDM frequency grid, June 2002. applications: DWDM frequency grid, June 2002.
[G.694.2] ITU-T Recommendation G.694.2, Spectral grids for WDM [G.698.2] ITU-T Recommendation G.698.2, Spectral grids for WDM
applications: CWDM wavelength grid, December 2003. applications: CWDM wavelength grid, December 2003.
[G.695] ITU-T Recommendation G.695, Optical interfaces for coarse [G.695] ITU-T Recommendation G.695, Optical interfaces for coarse
wavelength division multiplexing applications, October, wavelength division multiplexing applications, October,
2010. 2010.
[G.959.1] ITU-T Recommendation G.959.1, Optical transport network [G.959.1] ITU-T Recommendation G.959.1, Optical transport network
physical layer interfaces, February, 2012. physical layer interfaces, February, 2012.
[RFC3471] Berger, L., "Generalized Multi-Protocol Label Switching [RFC3471] Berger, L., "Generalized Multi-Protocol Label Switching
skipping to change at page 34, line 20 skipping to change at page 36, line 37
IANA Considerations Section in RFCs", RFC 5226, May 2008. IANA Considerations Section in RFCs", RFC 5226, May 2008.
[RFC5307] Kompella, L. and Y. Rekhter, Eds., "IS-IS Extensions in [RFC5307] Kompella, L. and Y. Rekhter, Eds., "IS-IS Extensions in
Support of Generalized Multi-Protocol Label Switching Support of Generalized Multi-Protocol Label Switching
(GMPLS)", RFC 5307, October, 2008. (GMPLS)", RFC 5307, October, 2008.
[RFC5440] Vasseur, JP. and Le Roux, JL., Eds., "Path Computation [RFC5440] Vasseur, JP. and Le Roux, JL., Eds., "Path Computation
Element (PCE) Communication Protocol (PCEP)", RFC 5440, Element (PCE) Communication Protocol (PCEP)", RFC 5440,
March 2009. March 2009.
[RFC5511] A. Farrel, "Routing Backus-Naur Form (RBNF): A Syntax Used
to Form Encoding Rules in Various Routing Protocol Specifications",
RFC 5511, April 2009.
[RFC5920] L. Fang, Ed., "Security Framework for MPLS and GMPLS [RFC5920] L. Fang, Ed., "Security Framework for MPLS and GMPLS
Networks", RFC 5920, July 2010. Networks", RFC 5920, July 2010.
[RFC6205] T. Otani, H. Guo, K. Miyazaki, D. Caviglia, "Generalized [RFC6163] Y. Lee, G. Bernstein, W. Imajuku, "Framework for GMPLS and
Labels for G.694 Lambda-Switching Capable Label Switching PCE Control of Wavelength Switched Optical Networks", RFC
Routers", RFC 6205, March 2011. 6163, April 2011.
[RFC6163] Y. Lee, G. Bernstein, W. Imajuku, "Framework for GMPLS
and PCE Control of Wavelength Switched Optical Networks",
RFC 6163, April 2011.
[RWA-Info] G. Bernstein, Y. Lee, D. Li, W. Imajuku, "Routing and
Wavelength Assignment Information Model for Wavelength
Switched Optical Networks", work in progress: draft-ietf-
ccamp-rwa-info.
9. Contributors 9. Contributors
Diego Caviglia Diego Caviglia
Ericsson Ericsson
Via A. Negrone 1/A 16153 Via A. Negrone 1/A 16153
Genoa Italy Genoa Italy
Phone: +39 010 600 3736 Phone: +39 010 600 3736
Email: diego.caviglia@ericsson.com Email: diego.caviglia@ericsson.com
 End of changes. 66 change blocks. 
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