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OSPF Extensions for Routing Constraint Encoding in Flexible-Grid Networks

Document Type Expired Internet-Draft (individual)
Expired & archived
Authors Lei Wang , Yao Li , Guoying Zhang
Last updated 2013-03-11 (Latest revision 2012-09-06)
RFC stream (None)
Intended RFC status (None)
Stream Stream state (No stream defined)
Consensus boilerplate Unknown
RFC Editor Note (None)
IESG IESG state Expired
Telechat date (None)
Responsible AD (None)
Send notices to (None)

This Internet-Draft is no longer active. A copy of the expired Internet-Draft is available in these formats:


In Flexible-Grid networks, network elements and links may impose additional routing constraints, which cannot be ignored in Routing and Spectrum Assignment (RSA) process. This document describes the requirements of such constraints, and then provides efficient encodings to specify how the information is carried.


Lei Wang
Yao Li
Guoying Zhang

(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid.)