NDLI: Scheduled multicast overlay for bandwidth-intensive applications

Content Provider	IEEE Xplore Digital Library
Author	Entel, T. Gadkar, A. Vokkarane, V.
Copyright Year	2012
Description	Author affiliation: Department of Computer and Information Science, University of Massachusetts, Dartmouth, USA (Entel, T.; Gadkar, A.; Vokkarane, V.)
Abstract	In this paper we investigate the multicast advance reservation problem in wavelength division multiplexed (WDM) optical networks. Under the advance reservation traffic model (also know as scheduled traffic), connection requests specify their start time to be some time in the future and also specify their holding times. Traditionally, in WDM networks, the multicasting functionality is supported by assuming that the optical cross connects are multicast capable i.e., they are capable of switching an incoming signal to multiple output interfaces. To support the multicasting functionality in a multicast incapable (MI) network, one can use a naive approach of creating a virtual topology consisting of wavelength routes (lighpaths) from the multicast source to each destination of the multicast session. This approach tends to consume a lot of network bandwidth and may become unacceptable as the number of the multicast sessions increase. We refer to this approach of provisioning the multicast requests as Multicast via WDM Unicast (MVWU) approach. To efficiently provision the users' scheduled multicast requests in a MI network, we propose two overlay solutions: Drop at Member Node (DAMN) and Drop at Any Node (DAAN). In these solutions, we achieve multicasting by creating a set of lightpath routes (possibly multiple hops) in the overlay layer. We consider a static set of scheduled multicast requests and present integer linear programs (ILPs) to solve the DAMN and DAAN problems, with a goal to minimize the total number of wavelengths required to service the request set. We also present an efficient heuristic and compare its performance to the ILP for a small network, and evaluate its performance for large-scale networks. Moreover, we also present an ILP to solve the naive MVWU approach and compare its performance to the DAMN and $DAAN^{1}.$
Starting Page	1
Ending Page	6
File Size	251530
Page Count	6
File Format	PDF
ISBN	9781467314404
e-ISBN	9781467314428
e-ISBN	9781467314411
DOI	10.1109/ONDM.2012.6210278
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-04-17
Publisher Place	United Kingdom
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	WDM Correlation Optical switches overlay Optical fiber networks Multicast communication Wavelength division multiplexing advance reservation lightpath Unicast scheduled demands multicasting Bandwidth
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
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
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
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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