NDLI: Routing guaranteed bandwidth virtual paths with simultaneous maximization of additional flows

Content Provider	IEEE Xplore Digital Library
Author	Kumar, D. Kuri, J. Kumar, A.
Copyright Year	2003
Description	Author affiliation: Mahidra-British Telecom Ltd., Pune, India (Kumar, D.)
Abstract	We consider the problem of on-line routing of bandwidth-guaranteed virtual paths. The basic idea is to route virtual paths such that enough spare capacity is left for accommodating weighted additional demands simultaneously between all other source-destination pairs. The problem formulation results in an integer linear program (ILP), the solution of which gives the optimal routing. However solving the ILP is NP-hard and so we resort to heuristics. We assign weights to the links in the network and then use shortest path routing. The novel aspect of the weight assignment is that the weights take into account the residual link capacities, as well as the number of source-destination pairs that could potentially use the link. Simulations show that the proposed algorithm performs better than existing algorithms in the literature (e.g. MIRA) for a variety of network topologies and traffic scenarios.
Starting Page	1759
Ending Page	1764
File Size	338203
Page Count	6
File Format	PDF
ISBN	0780378024
DOI	10.1109/ICC.2003.1203902
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2003-05-11
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Routing Bandwidth IP networks Spine Network topology Telecommunication traffic Traffic control Heuristic algorithms Multiprotocol label switching Mesh networks
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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