NDLI: Investigating QoS support for traffic mixes with the MediaWorm router

Content Provider	IEEE Xplore Digital Library
Author	Ki Hwan Yum Vaidya, A. Das, C.R. Sivasubramaniam, A.
Copyright Year	2000
Description	Author affiliation: Dept. of Comput. Sci. & Eng., Pennsylvania State Univ., University Park, PA, USA (Ki Hwan Yum)
Abstract	With the increasing use of clusters in real-time applications, it has become essential to design high performance networks with quality of service (QoS) guarantees. In this paper, we explore the feasibility of providing QoS in worm-hole switched routers, which are otherwise well known for designing high performance interconnects. In particular, we are interested in supporting multimedia video streams, in addition to the conventional best-effort traffic. The proposed MediaWorm router uses a rate-based bandwidth allocation mechanism, called Virtual Clock, to schedule network resources for different traffic classes. Our simulation results on an 8-port router indicate that it is possible to provide jitter-free delivery to VBR/CBR traffic up to an input load of 70-80% of link bandwidth, and the presence of best effort traffic has no adverse effect on the real-time traffic. Although the MediaWorm router shows a slightly lower performance than a pipelined circuit switched (PCS) router, commercial success of worm-hole switching coupled with the simpler and cheaper design makes it an attractive alternative. Simulation of a (2/spl times/2) fat-mesh using this router suggests that clusters designed with appropriate bandwidth balance between links can provide good performance for different types of traffic.
Starting Page	97
Ending Page	106
File Size	125139
Page Count	10
File Format	PDF
ISBN	0769505503
DOI	10.1109/HPCA.2000.824342
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2000-01-12
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Traffic control Telecommunication traffic Quality of service Streaming media Bandwidth Switching circuits Integrated circuit interconnections Channel allocation Clocks Personal communication networks
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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