draft-ietf-ccamp-rwa-wson-encode-05.txt   draft-ietf-ccamp-rwa-wson-encode-06.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 2011 D. Li Expires: April 2011 D. Li
Huawei Huawei
W. Imajuku W. Imajuku
NTT NTT
July 12, 2010 October 13, 2010
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-05.txt draft-ietf-ccamp-rwa-wson-encode-06.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.
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other groups may also distribute working documents as Internet- other groups may also distribute working documents as Internet-
Drafts. Drafts.
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and may be updated, replaced, or obsoleted by other documents at any and may be updated, replaced, or obsoleted by other documents at any
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This Internet-Draft will expire on January 12, 2011. This Internet-Draft will expire on April 13, 2011.
Copyright Notice Copyright Notice
Copyright (c) 2010 IETF Trust and the persons identified as the Copyright (c) 2010 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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information to a path computation element (PCE). information to a path computation element (PCE).
Conventions used in this document Conventions used in this document
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
1.1.3. Changes from 02 draft......................... 5 1.1.3. Changes from 02 draft................................5
1.1.4. Changes from 03 draft......................... 5 1.1.4. Changes from 03 draft................................5
1.1.5. Changes from 04 draft......................... 5 1.1.5. Changes from 04 draft................................5
2. Terminology ......................................... 5 1.1.6. Changes from 05 draft................................5
3. WSON Encoding Usage Recommendations...................... 6 2. Terminology....................................................5
3.1. WSON Node TLV.................................... 6 3. WSON Encoding Usage Recommendations............................6
3.2. WSON Dynamic Node TLV............................. 6 3.1. WSON Node TLV.............................................6
4. Resource Accessibility/Availability...................... 7 3.2. WSON Dynamic Node TLV.....................................6
4.1. Block Accessibility Sub-TLV........................ 8 4. Resource Accessibility/Availability............................7
4.2. Wavelength Constraints Sub-TLV..................... 10 4.1. Block Accessibility Sub-TLV...............................8
4.3. Block Pool State Sub-TLV.......................... 10 4.2. Wavelength Constraints Sub-TLV...........................10
4.4. Block Shared Access Wavelength Availability sub-TLV ... 12 4.3. Block Pool State Sub-TLV.................................10
5. Resource Properties Encoding .......................... 13 4.4. Block Shared Access Wavelength Availability sub-TLV......12
5.1. Resource Block Information Sub-TLV ................. 13 5. Resource Properties Encoding..................................13
5.2. Input Modulation Format List Sub-Sub-TLV ............ 14 5.1. Resource Block Information Sub-TLV.......................13
5.2.1. Modulation Format Field ...................... 15 5.2. Input Modulation Format List Sub-Sub-TLV.................14
5.3. Input FEC Type List Sub-Sub-TLV.................... 16 5.2.1. Modulation Format Field.............................15
5.3.1. FEC Type Field.............................. 17 5.3. Input FEC Type List Sub-Sub-TLV..........................16
5.4. Input Bit Range List Sub-Sub-TLV................... 19 5.3.1. FEC Type Field......................................17
5.4.1. Bit Range Field............................. 19 5.4. Input Bit Range List Sub-Sub-TLV.........................19
5.5. Input Client Signal List Sub-Sub-TLV................ 20 5.4.1. Bit Range Field.....................................19
5.6. Processing Capability List Sub-Sub-TLV.............. 21 5.5. Input Client Signal List Sub-Sub-TLV.....................20
5.6.1. Processing Capabilities Field ................. 21 5.6. Processing Capability List Sub-Sub-TLV...................21
5.7. Output Modulation Format List Sub-Sub-TLV............ 23 5.6.1. Processing Capabilities Field.......................21
5.8. Output FEC Type List Sub-Sub-TLV................... 23 5.7. Output Modulation Format List Sub-Sub-TLV................23
6. Security Considerations............................... 23 5.8. Output FEC Type List Sub-Sub-TLV.........................23
7. IANA Considerations.................................. 24 6. Security Considerations.......................................23
8. Acknowledgments..................................... 24 7. IANA Considerations...........................................24
APPENDIX A: Encoding Examples............................ 25 8. Acknowledgments...............................................24
A.1. Wavelength Converter Accessibility Sub-TLV........... 25 APPENDIX A: Encoding Examples....................................25
A.2. Wavelength Conversion Range Sub-TLV................. 26 A.1. Wavelength Converter Accessibility Sub-TLV...............25
A.3. An OEO Switch with DWDM Optics..................... 27 A.2. Wavelength Conversion Range Sub-TLV......................26
9. References......................................... 30 A.3. An OEO Switch with DWDM Optics...........................27
9.1. Normative References............................. 30 9. References....................................................31
9.2. Informative References........................... 30 9.1. Normative References.....................................31
10. Contributors....................................... 31 9.2. Informative References...................................31
Authors' Addresses..................................... 32 10. Contributors.................................................32
Intellectual Property Statement .......................... 33 Authors' Addresses...............................................33
Disclaimer of Validity.................................. 33 Intellectual Property Statement..................................34
Disclaimer of Validity...........................................34
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
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Removed encodings for general concepts to [Gen-Encode]. Removed encodings for general concepts to [Gen-Encode].
Added in WSON signal compatibility and processing capability Added in WSON signal compatibility and processing capability
information encoding. information encoding.
1.1.5. Changes from 04 draft 1.1.5. Changes from 04 draft
Added encodings to deal with access to resource blocks via shared Added encodings to deal with access to resource blocks via shared
fiber. fiber.
1.1.5. 1.1.6. Changes from 05 draft
Revised the encoding for the "shared access" indicators to only use
one bit each for ingress and egress.
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
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[<RBPoolState>][<BlockSharedAccessWavelengthAvailability>...] [<RBPoolState>][<BlockSharedAccessWavelengthAvailability>...]
Where the resource pool state sub-TLV <RBPoolState> is defined in Where the resource pool state sub-TLV <RBPoolState> is defined in
section 4.3. Note that currently the only dynamic information modeled section 4.3. Note that currently the only dynamic information modeled
with a node is associated with the status of the wavelength converter with a node is associated with the status of the wavelength converter
pool. pool.
4. Resource Accessibility/Availability 4. Resource Accessibility/Availability
In this section we define the sub-TLVs for dealing with accessibility In this section we define the sub-TLVs for dealing with accessibility
and availability of resource blocks. These in include the following and availability of resource blocks. These include the
ResourceBlockAccessibility, ResourceWaveConstraints, and RBPoolState ResourceBlockAccessibility, ResourceWaveConstraints, and RBPoolState
sub-TLVs. All these sub-TLVs are concerned with sets of resources. sub-TLVs. All these sub-TLVs are concerned with sets of resources.
In a WSON node that includes resource blocks (RB) we will want to In a WSON node that includes resource blocks (RB) we will want to
denote subsets these blocks to efficiently describe common properties denote subsets these blocks to efficiently describe common properties
the blocks and to describe the structure, if non-trivial, of the the blocks and to describe the structure, if non-trivial, of the
resource pool. The RB Set field is defined in a similar manner to the resource pool. The RB Set field is defined in a similar manner to the
label set concept of [RFC3471]. label set concept of [RFC3471].
The information carried in a RB set field is defined by: The information carried in a RB set field is defined by:
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in a block. in a block.
This sub-TLV has the following format: This sub-TLV 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 |
: : : :
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Shared Ingress Indicator | Shared Egress Indicator | |I|E| Reserved |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Input Modulation Type List Sub-Sub-TLV (opt) | | Input Modulation Type List Sub-Sub-TLV (opt) |
: : : :
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Input FEC Type List Sub-Sub-TLV (opt) | | Input FEC Type List Sub-Sub-TLV (opt) |
: : : :
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Input Client Signal Type Sub-TLV (opt) | | Input Client Signal Type Sub-TLV (opt) |
: : : :
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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| Processing Capabilities List Sub-Sub-TLV (opt) | | Processing Capabilities List Sub-Sub-TLV (opt) |
: : : :
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Output Modulation Type List Sub-Sub-TLV (opt) | | Output Modulation Type List Sub-Sub-TLV (opt) |
: : : :
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Output FEC Type List Sub-Sub-TLV (opt) | | Output FEC Type List Sub-Sub-TLV (opt) |
: : : :
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
Where the shared ingress/egress indicator is set to 1 if the resource Where I and E, the shared ingress/egress indicator, is set to 1 if
blocks identified in the RB set field utilized a shared fiber for the resource blocks identified in the RB set field utilized a shared
ingress/egress access and set to 0 otherwise. fiber for ingress/egress access and set to 0 otherwise.
5.2. Input Modulation Format List Sub-Sub-TLV 5.2. Input Modulation Format List Sub-Sub-TLV
This sub-TLV contains a list of acceptable input modulation formats. This sub-TLV contains a list of acceptable input modulation formats.
Type := Input Modulation Format List Type := Input Modulation Format List
Value:= A list of Modulation Format Fields Value:= A list of Modulation Format Fields
5.2.1. Modulation Format Field 5.2.1. Modulation Format Field
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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| Length = 12 | | 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 |1| Reserved | Length = 8 | | Action=0 |1| Reserved | Length = 8 |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| WC ID = #1 | WC ID = #2 | | RB ID = #1 | RB ID = #2 |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
Note: WC1 can only connect to E1 Note: WC1 can only connect to E1
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Action=0 |0| Reserved | Length = 8 | | Action=0 |0| Reserved | Length = 8 |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| WC ID = #1 | zero padding | | RB ID = #1 | zero padding |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Action=0 |1 0|0 0 0 0 0 0| Length = 8 | | Action=0 |1 0|0 0 0 0 0 0| Length = 8 |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Link Local Identifier = #1 | | Link Local Identifier = #1 |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
Note: WC2 can only connect to E2 Note: WC2 can only connect to E2
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Action=0 |0| | Length = 8 | | Action=0 |0| | Length = 8 |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| WC ID = #2 | zero padding | | RB ID = #2 | zero padding |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Action=0 |1 0|0 0 0 0 0 0| Length = 8 | | Action=0 |1 0|0 0 0 0 0 0| Length = 8 |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Link Local Identifier = #2 | | Link Local Identifier = #2 |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
A.2. Wavelength Conversion Range Sub-TLV A.2. Wavelength Conversion Range Sub-TLV
Example: Example:
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| | | |
/| | | +-------------+ +------+ /| | | +-------------+ +------+
/D+--->| |--->|Tunable Laser|-->| | /D+--->| |--->|Tunable Laser|-->| |
+ e+--->| | +-------------+ | C | + e+--->| | +-------------+ | C |
========>| M| | | ... | o |========> ========>| M| | | ... | o |========>
Port I3 + u+--->| | +-------------+ | m | Port E3 Port I3 + u+--->| | +-------------+ | m | Port E3
\x+--->| |--->|Tunable Laser|-->| b | \x+--->| |--->|Tunable Laser|-->| b |
\| +-----------+ +-------------+ +------+ \| +-----------+ +-------------+ +------+
Figure 2 An optical switch built around an electronic switching Figure 2 An optical switch built around an electronic switching
fabric. fabric.
The resource block information will tell us about the processing The resource block information will tell us about the processing
constraints of the receivers, transmitters and the electronic switch. constraints of the receivers, transmitters and the electronic switch.
The resource availability information, although very simple, tells us The resource availability information, although very simple, tells us
that all signals must traverse the electronic fabric (fixed that all signals must traverse the electronic fabric (fixed
connectivity). The resource wavelength constraints are not needed connectivity). The resource wavelength constraints are not needed
since there are no special wavelength constraints for the resources since there are no special wavelength constraints for the resources
that would not appear as port/wavelength constraints. that would not appear as port/wavelength constraints.
<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) | : (only one resource block in this example with shared |
| input/output case) |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|0|0| Reserved |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Input Modulation Type List Sub-Sub-TLV | | Input Modulation Type List Sub-Sub-TLV |
: (The receivers can only process NRZ) : : (The receivers can only process NRZ) :
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Input FEC Type List Sub-Sub-TLV | | Input FEC Type List Sub-Sub-TLV |
: (Only Standard SDH and G.709 FECs) : : (Only Standard SDH and G.709 FECs) :
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Input Client Signal Type Sub-TLV | | Input Client Signal Type Sub-TLV |
: (GPIDs for SDH and G.709) : : (GPIDs for SDH and G.709) :
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 End of changes. 14 change blocks. 
57 lines changed or deleted 66 lines changed or added

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