扩展OSPF路由协议，用于共享网格恢复

The 13th IEEE Workshop on Local and Metropolitan Area Networks, 2004. LANMAN 2004. Pub Date : 2004-04-25 DOI:10.1109/LANMAN.2004.1338410

Hang Liu, E. Bouillet, D. Pendarakis, Nooshin Komaee, Jean-François P. Labourdette, S. Chaudhuri

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引用次数: 0

摘要

需要有效的方法来聚合和传播路由信息，包括光链路资源的可用性和共享性，以使路由协议发布的数量最小化，并且不丢失路径计算所需的信息。本文提出对广义多协议标签交换(GMPLS) OSPF-TE路由协议进行扩展，使其在TE链路上携带保留资源的必要共享信息，以支持计算共享网格恢复路径。它基于支持TE (traffic engineering)和GMPLS所需的OSPF路由扩展。在TE LSA的链路TLV中增加新的可选子TLV (type/length/value)，用于传播恢复资源的共享信息。

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Extending OSPF routing protocol for shared mesh restoration

Efficient methods are needed to aggregate and disseminate the routing information, including the optical link resource availability and sharing, so that the amount advertised by the routing protocol is minimized and the information necessary for path computation is not lost. In this paper, the author proposed to extend the generalized multi-protocol label switching (GMPLS) OSPF-TE routing protocol to carry the necessary sharing information of the reserved resource on a TE link in support of computing the shared mesh restored paths. It is based on the OSPF routing extensions required to support traffic engineering (TE) and GMPLS. New optional sub-TLVs (type/length/value) are added to the link TLV of the TE link state advertisements (LSA) so that the sharing information of the restoration resource is disseminated.

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The 13th IEEE Workshop on Local and Metropolitan Area Networks, 2004. LANMAN 2004.

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