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Inter-Domain Routing Scalability in Optical DWDM Networks

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7 Author(s)
Liu, Q. ; Univ. of New Mexico, Albuquerque, NM ; Xie, C. ; Frangieh, T. ; Ghani, N.
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Recent studies on inter-domain DWDM networks have focused on topology abstraction for state summarization, i.e. transforming a physical topology to a virtual mesh, tree, or star network. Although these schemes give very good inter- domain blocking reduction, associated inter-domain routing overheads are significant, particularly as the number of domains and border OXC nodes increase. To address these scalability limitations, novel routing update triggering policies for multi-domain DWDM networks are developed. The performance of inter-domain lightpath RWA and signaling schemes in conjunction with these strategies is then studied in order to gauge the overall effectiveness of these approaches.

Published in:

Computer Communications and Networks, 2008. ICCCN '08. Proceedings of 17th International Conference on

Date of Conference:

3-7 Aug. 2008