GMPLS OSPF-TE Extensions in support of Flexible Grid
draft-ietf-ccamp-flexible-grid-ospf-ext-01
Network Working Group Xian Zhang
Internet-Draft Haomian Zheng
Intended status: Informational Huawei
Ramon Casellas
CTTC
O. Gonzalez de Dios
Telefonica
D. Ceccarelli
Ericsson
Expires: June 16, 2015 December 16, 2014
GMPLS OSPF-TE Extensions in support of Flexible Grid
draft-ietf-ccamp-flexible-grid-ospf-ext-01.txt
Abstract
This memo describes the OSPF-TE extensions in support of GMPLS
control of networks that include devices that use the new flexible
optical grid.
Status of this Memo
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Copyright Notice
Zhang et al Expires June 2015 [Page 1]
draft-ietf-ccamp-flexible-grid-ospf-ext-01.txt December 2014
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Table of Contents
1. Introduction ................................................ 2
2. Terminology ................................................. 3
2.1. Conventions Used in this Document ....................... 3
3. Requirements for Flexi-grid Routing .......................... 3
3.1. Available Frequency Ranges .............................. 4
3.2. Application Compliance Considerations ................... 5
3.3. Comparison with Fixed-grid DWDM Links ................... 6
4. Extensions .................................................. 6
4.1. ISCD for Flexi-grid..................................... 7
4.2. Available Labels Set Sub-TLV ............................ 7
4.2.1. Inclusive/Exclusive Label Range .................... 7
4.2.2. Inclusive/Exclusive Label Lists .................... 8
4.2.3. Bitmap ............................................ 8
4.3. Extensions to Port Label Restriction sub-TLV ............ 8
4.4. Examples for Available Label Set Sub-TLV ................ 9
5. IANA Considerations ........................................ 10
6. Implementation Status....................................... 10
6.1. Centre Tecnologic de Telecomunicacions de Catalunya (CTTC)11
7. Acknowledgments ............................................ 12
8. Security Considerations ..................................... 12
9. References ................................................. 12
9.1. Normative References ................................... 12
9.2. Informative References................................. 12
10. Authors' Addresses ......................................... 14
11. Contributors' Addresses .................................... 14
1. Introduction
[G.694.1] defines the Dense Wavelength Division Multiplexing (DWDM)
frequency grids for Wavelength Division Multiplexing (WDM)
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