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OSPF-TE Protocol Extension for Constraint-aware RSA in Flexi-Grid Networks

Document type: Expired Internet-Draft (individual)
Document stream: No stream defined
Last updated: 2013-04-21 (latest revision 2012-10-18)
Intended RFC status: Unknown
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IESG State: Expired
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found here:


ITU-T Study Group 15 has introduced a new flexible grids technology of DWDM network which is an effective solution to improve the efficiency of spectrum resource utilization. This memo extends the OSPF-TE protocol to support constraint-aware routing and spectrum assignment (RSA) in flexi-grid networks.


Jie Zhang <>
Yongli Zhao <>
Ziyan Yu <>
Xuefeng Lin <>
Dajiang Wang <>
Xihua Fu <>

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