Title: LSP Modification Using CR-LDP
Author(s): J. Ash, Y. Lee, P. Ashwood-Smith, B. Jamoussi, D. Fedyk, D. Skalecki, L. Li.
Status: PROPOSED STANDARD
Date: Jan 2002
Length: 25453
This document presents an approach to modify the bandwidth and possibly other parameters of an established CR-LSP (Constraint-based Routed Label Switched Paths) using CR-LDP (Constraint-based Routed Label Distribution Protocol) without service interruption. After a CR-LSP is set up, its bandwidth reservation may need to be changed by the network operator, due to the new requirements for the traffic carried on that CR-LSP. The LSP modification feature can be supported by CR-LDP by use of the _modify_value for the action indicator flag in the LSPID TLV. This feature has application in dynamic network resources management where traffic of different priorities and service classes is involved.
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