Method and network device for realizing shared mesh protection
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United States of America Patent
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Mar 26, 2013
Grant Date -
Sep 16, 2010
app pub date -
May 25, 2010
filing date -
Dec 27, 2007
priority date (Note) -
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Abstract
A method and a network device for realizing shared mesh protection are provided. The method includes the following steps. If a status change of a working label switching path (LSP) is detected, routing information and bandwidth information about the working LSP are notified to every node on a protection LSP corresponding to the working LSP. Every node on the protection LSP calculates a maximal reserved bandwidth of a link based on the received routing information and bandwidth information and adjusts a shared protection bandwidth of the link according to the maximal reserved bandwidth.
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