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Please use this identifier to cite or link to this item: http://dspace.library.iitb.ac.in/jspui/handle/10054/1604

Title: Hierarchical routing in multi-domain optical networks
Authors: LIU, Q
KÖK, MA
GHANI, N
GUMASTE, ASHWIN
Keywords: hierarchical systems
optical communication
packet networks
routers
switching networks
topology
wavelength division multiplexing
Issue Date: 2006
Publisher: Elsevier
Citation: Computer Communications 30(1), 122-131
Abstract: Given the increasing adoption of DWDM networking technology, there is now a growing need to address distributed inter-domain lightpath provisioning issues. Although inter-domain provisioning has been well studied for packet/cell-switching networks, the wavelength dimension presents many additional challenges. To address this challenge, a detailed hierarchical routing GMPLS-based framework for provisioning all-optical and opto-electronic multi-domain DWDM networks is presented. The scheme adapts various topology abstraction schemes to improve routing scalability and lower inter-domain blocking probabilities. Related inter-domain lightpath RWA and signaling schemes are also tabled. Performance analysis results are also presented to demonstrate the effectiveness of the proposed mechanisms along with directions for future research work.
URI: http://dx.doi.org/10.1016/j.comcom.2006.08.003
http://hdl.handle.net/10054/1604
http://dspace.library.iitb.ac.in/xmlui/handle/10054/1604
ISSN: 0140-3664
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