NDLI: Scalability of SCI workstation clusters, a preliminary study

Content Provider	IEEE Xplore Digital Library
Author	Omang, K. Parady, B.
Copyright Year	1997
Description	Author affiliation: Dept. of Inf., Oslo Univ., Norway (Omang, K.)
Abstract	SCI is based on unidirectional point-to-point links connected in rings. Separate rings can be connected using switches to allow for larger configurations than are feasible with a single ring. The SCI standard is implemented in the LinkController (LC-1) chip from Dolphin Interconnect Solutions. Experiments are conducted on a set of Sun UltraSparc workstations connected by the new Sbus/SCI adapters based on the LC-1. The practical limit on the number of nodes on a ring depends on the host interface and the link capacity and tuning, as well as the expected interconnect load. Single ring configurations of up to 10 nodes on a ring and 4 and 8 node systems using multiple smaller rings connected through a 4-way switch are analysed with respect to latency and network throughput. Results demonstrate a peak aggregate ring bandwidth of 187 Mbytes/s in a 10 node ring configuration, and a peak bandwidth of 153 Mbytes/s for the 4-way switched 8 node system. Results also show that the interconnect is sensitive to certain traffic patterns, and that different topologies have different weak spots in this sense.
Starting Page	750
Ending Page	755
File Size	595002
Page Count	6
File Format	PDF
ISBN	0818677937
ISSN	10637133
DOI	10.1109/IPPS.1997.580992
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1997-04-01
Publisher Place	Switzerland
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Scalability Workstations Switches Bandwidth Dolphins Sun Delay Throughput Aggregates Telecommunication traffic
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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