| Publisher | Alcatel-Lucent | ||
|---|---|---|---|
| Format | 164.9KB PDF | Date added | 09 Dec 2006 |
| Topics | Optical Networking, Network Design, MPLS | ||
| Downloads | 8 | ||
This paper studies a problem motivated by a scheme for supporting fast restoration in Multi-Protocol Label Switched (MPLS) and Optical networks. In this local restoration scheme detour paths are set-up a priori and network resources are pre-reserved exclusively for carrying rerouted traffic under network failures (i.e. they do not carry any traffic under normal working conditions). The detours are such that failed links can be bypassed locally from the first node that is upstream from the failures. This local bypass activation from the first detection point for failures along with the dedication of network resources for handling failures permits very fast recovery times, a critical requirement for these networks.
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