NDLI: Transport Resource Manager for VPN routing in packet networks

Content Provider	IEEE Xplore Digital Library
Author	Uzunalioglu, H. Nagarajan, R. Atkinson, G.W.
Copyright Year	2009
Description	Author affiliation: Alcatel-Lucent, 600 Mountain Ave., Murray Hill, NJ 07974, USA (Uzunalioglu, H.; Nagarajan, R.; Atkinson, G.W.)
Abstract	Traffic matrices play a crucial role in designing, dimensioning, and evolving communication networks. Recent measurement studies, however, found that there is generally a mismatch between traffic matrices and the actual network traffic. Since the link sizing and routing plans depend on the traffic matrix, this mismatch would result in inefficient use of the network resources. Traffic Engineering addresses this problem by utilizing alternate paths to distribute the traffic uniformly over the network. However, traffic engineering is applied at yearly or multi-year intervals, and may require re-routing of existing connections. In this paper, we introduce a route selection algorithm that operates during VPN set-up request arrivals to determine the best path for the incoming requests to achieve efficient use of the network resources. Our algorithm utilizes the concept of shadow prices and distributes the traffic uniformly across the network making better use of deployed network resources which in turn minimizes the network operator's overall infrastructure capital and operational expenses. The performance modeling results show that our solution outperforms shortest path and greedy routing algorithms. Furthermore, we show that an approximate lower bound, which may never be achieved by a feasible algorithm, is only 25% better in network cost compared to our solution.
Starting Page	1
Ending Page	6
File Size	262673
Page Count	6
File Format	PDF
ISBN	9781424433810
DOI	10.1109/SARNOF.2009.4850274
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-03-30
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Resource management Virtual private networks Routing Telecommunication traffic Costs Bandwidth Communication networks Traffic control Economic forecasting Computer networks
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
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
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
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9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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