Optical Virtual Private Networks: Survivability Against Multiple Link Failures

Optical Virtual Private Networks: Survivability Against Multiple Link Failures The Optical Virtual Private Networks (OVPNs) are going to be the next step of the present Internet Protocol or Multi-Protocol Label Switching-based VPNs. Since reliability and continuity of service are the major requirements in the design of OVPN, researchers are now paying more attention to its survivability issue. In this paper, we propose a highly simple approach for spreading out the lightpaths over the core optical network using shortest pair algorithm that mitigates the impact of multiple link failures in an OVPN. The special feature of the proposed Distributed Lightpath Routing algorithm lies in its simplicity and less computation for the working path as well as for the backup path. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Photonic Network Communications Springer Journals

Optical Virtual Private Networks: Survivability Against Multiple Link Failures

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Publisher
Kluwer Academic Publishers
Copyright
Copyright © 2006 by Springer Science+Business Media, LLC
Subject
Computer Science; Computer Communication Networks; Electrical Engineering; Characterization and Evaluation of Materials
ISSN
1387-974X
eISSN
1572-8188
D.O.I.
10.1007/s11107-006-0016-3
Publisher site
See Article on Publisher Site

Abstract

The Optical Virtual Private Networks (OVPNs) are going to be the next step of the present Internet Protocol or Multi-Protocol Label Switching-based VPNs. Since reliability and continuity of service are the major requirements in the design of OVPN, researchers are now paying more attention to its survivability issue. In this paper, we propose a highly simple approach for spreading out the lightpaths over the core optical network using shortest pair algorithm that mitigates the impact of multiple link failures in an OVPN. The special feature of the proposed Distributed Lightpath Routing algorithm lies in its simplicity and less computation for the working path as well as for the backup path.

Journal

Photonic Network CommunicationsSpringer Journals

Published: Jan 23, 2006

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