| Publisher | Lahore University of Management Sciences | ||
|---|---|---|---|
| Format | 137.7KB PDF | Date added | 09 Jun 2008 |
| Topics | Switching | ||
| Downloads | 0 | ||
This paper considers a label switched network in which backup paths are provided using a local restoration scheme. A node receives a failure notification if either an adjacent link or a neighboring node fails. Such a node, however, cannot distinguish between link and node failures and must do one of two things. 1) Activate backup paths corresponding to both the link and the node suspected to have failed, or 2) Employ a mechanism to establish whether it is a link or a node that has failed, and activate the requisite backup paths once the failure event has been identified.
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