GMPLS OSPF-TE Extensions in support of Flexi-grid DWDM networks
draft-ietf-ccamp-flexible-grid-ospf-ext-04
CCAMP Working Group Xian Zhang
Internet-Draft Haomian Zheng
Intended status: Standards Track Huawei
Ramon Casellas
CTTC
O. Gonzalez de Dios
Telefonica
D. Ceccarelli
Ericsson
Expires: October 25, 2016 April 25, 2016
GMPLS OSPF-TE Extensions in support of Flexi-grid DWDM networks
draft-ietf-ccamp-flexible-grid-ospf-ext-04.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.
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Copyright Notice
Zhang et al Expires October 2016 [Page 1]
draft-ietf-ccamp-flexible-grid-ospf-ext-04.txt April 2016
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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 .................................................. 7
4.1. ISCD Extensions for Flexi-grid.......................... 7
4.1.1. Switching Capability Specific Information (SCSI)....7
4.1.2. An SCSI Example.................................... 9
4.2. Extensions to Port Label Restriction sub-TLV........... 12
5. IANA Considerations ........................................ 13
5.1. New Switching Type..................................... 13
5.2. New Sub-TLV ........................................... 13
6. Implementation Status....................................... 13
6.1. Centre Tecnologic de Telecomunicacions de Catalunya(CTTC)14
7. Acknowledgments ............................................ 15
8. Security Considerations..................................... 15
9. Contributors' Addresses..................................... 15
10. References ................................................ 16
10.1. Normative References.................................. 16
10.2. Informative References................................ 16
Authors' Addresses ............................................ 17
1. Introduction
[G.694.1] defines the Dense Wavelength Division Multiplexing (DWDM)
frequency grids for Wavelength Division Multiplexing (WDM)
applications. A frequency grid is a reference set of frequencies
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