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Threshold-Based Policy for LSP and Lightpath Setup in GMPLS Networks

Summary: Threshold-Based Policy for LSP and Lightpath
Setup in GMPLS Networks
Tricha Anjali and Caterina Scoglio
Broadband and Wireless Networking Laboratory
School of Electrical and Computer Engineering
Georgia Institute of Technology, Atlanta, GA 30332
Email: {tricha, caterina}@ece.gatech.edu
Abstract-- In this paper, a new policy is introduced to deter-
mine and adapt the Generalized MultiProtocol Label Switching
(GMPLS) network topology based on the current traffic load.
The objective of the new policy is to minimize the costs involving
bandwidth, switching and signaling. The new policy is based on
a threshold criterion. The policy is split into two levels, the first
deals with the MPLS network and the second with the lightpath
level. The two thresholds depend on the cost coefficients and the
number of the intermediate hops. Our policy also performs a
filtering control to avoid oscillations which occur due to highly
variable traffic. The proposed policy has been evaluated by
simulation and numerical results, which show its effectiveness
and the achieved performance improvement.


Source: Anjali, Tricha - Department of Electrical and Computer Engineering, Illinois Institute of Technology


Collections: Computer Technologies and Information Sciences; Engineering