NDLI: Stochastic Multicast with Network Coding

Content Provider	IEEE Xplore Digital Library
Author	Gopinathan, A. Zongpeng Li
Copyright Year	2009
Abstract	The usage of network resources by content providers is commonly governed by Service Level Agreements (SLA) between the content provider and the network service provider. Resource usage exceeding the limits specified in the SLA incurs the content provider additional charges, usually at a higher cost. Hence, the content provider's goal is to provision adequate resources in the SLA based on forecasts of future demand. We study capacity purchasing strategies in this setting when the content provider employs network coded multicast as the data delivery mechanism. We model this problem as a two-stage stochastic optimization problem with recourse, and we design two approximation algorithms to solve such problems. The first is a heuristic that exploits properties unique to network coding. It performs well in general scenarios, but may be unbounded with respect to the optimal solution in the worst case. This motivates our second approach, a sampling algorithm partly inspired from the work of Gupta et al. [Gupta et al., ACM STOC 2004]. We employ techniques from duality theory in linear optimization to prove that sampling provides a 3-approximate solution to the stochastic multicast problem. We conduct simulations to illustrate the efficacy of both algorithms, and show that the performance of both is usually within 10% of the optimal solution in practice.
Starting Page	500
Ending Page	509
File Size	360492
Page Count	10
File Format	PDF
ISBN	9780769536590
ISSN	10636927
DOI	10.1109/ICDCS.2009.29
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-06-22
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Stochastic processes Network coding Multicast algorithms Costs Demand forecasting Algorithm design and analysis Bandwidth Approximation algorithms Sampling methods Streaming media Network Optimization Multicast Stochastic Optimization Network Coding Linear Programming
Content Type	Text
Resource Type	Article
Subject	Computer Networks and Communications Hardware and Architecture Software

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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