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Published Articles >> Table of Contents >> Abstract
International Conference on Systems and Networks Communication (ICSNC'06)
p. 10
A Two - Phase Distributed Reconfiguration Algorithm for Node Failures in IP-Over-WDM Networks
N. Sreenath, Pondicherry Engineering College, Pondicherry-605104, India.
Balaji Palanisamy, Pondicherry Engineering College, Pondicherry-605104, India.
Full Article Text:
 
DOI Bookmark: http://doi.ieeecomputersociety.org/10.1109/ICSNC.2006.16
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| Abstract |
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In Wavelength Routed Wavelength Division
Multiplexing (WR-WDM) networks, a set of lightpaths
(all-optical communication paths) defines the virtual
topology. Internet Protocol (IP) makes use of virtual
topology to route its traffic in the optical form. In the
event of a node failure, the virtual topology may be
partitioned so that a set of nodes may not be able to
communicate with another set of nodes. The failure may
also affect the objective function value leading to
decreased network performance. In such a case, it may
be indispensable that the connectivity in the virtual
topology is restored and the network performance is
improved in terms of objective function value. Hence, it
may be necessary to alter the existing virtual topology.
Altering of a virtual topology is called as virtual
topology reconfiguration. In this paper, we propose a
two-phase distributed algorithm for virtual topology
reconfiguration in the event of a node failure. The
algorithm restores the failed connectivity during
phase I. Phase II of the algorithm improves the network
performance by bringing down the objective function
value of the network.
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 Additional Information
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Index Terms- WDM Optical Network, Node Failures,
Reconfiguration of Virtual topology.
Citation:
N. Sreenath, Balaji Palanisamy,
"A Two - Phase Distributed Reconfiguration Algorithm for Node Failures in IP-Over-WDM Networks,"
icsnc,
p. 10,
International Conference on Systems and Networks Communication (ICSNC'06),
2006
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