%% You should probably cite draft-wangl-ccamp-ospf-ext-constraint-flexi-grid-02 instead of this revision. @techreport{wangl-ccamp-ospf-ext-constraint-flexi-grid-01, number = {draft-wangl-ccamp-ospf-ext-constraint-flexi-grid-01}, type = {Internet-Draft}, institution = {Internet Engineering Task Force}, publisher = {Internet Engineering Task Force}, note = {Work in Progress}, url = {https://datatracker.ietf.org/doc/draft-wangl-ccamp-ospf-ext-constraint-flexi-grid/01/}, author = {Lei Wang and Yao Li and Guoying Zhang}, title = {{OSPF Extensions for Routing Constraint Encoding in Flexible-Grid Networks}}, pagetotal = 22, year = 2012, month = mar, day = 9, abstract = {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.}, }