NDLI: Providing 100% Throughput in a Buffered Crossbar Switch

Content Provider	IEEE Xplore Digital Library
Author	Yanming Shen Panwar, S.S. Chao, H.J.
Copyright Year	2007
Description	Author affiliation: Polytech. Univ., Brooklyn (Yanming Shen; Panwar, S.S.; Chao, H.J.)
Abstract	Buffered crossbar switches have received great attention recently because they have become technologically feasible, have simpler scheduling algorithms, and achieve better performance than a bufferiess crossbar switch. Buffered crossbar switches have a buffer placed at each crosspoint. A cell is first delivered to a crosspoint buffer and then transferred to the output port. With a speedup of two, a buffered crossbar switch has previously been proved to provide 100% throughput. We propose what we believe is the first feasible scheduling scheme that can achieve 100% throughput without speedup and a finite crosspoint buffer. The proposed scheme is called SQUISH: a Stable Queue Input-output Scheduler with Hamiltonian walk. With SQUISH, each input/output first makes decisions based on the information from the virtual output queues and crosspoint buffers. Then it is compared with a Hamiltonian walk schedule to avoid possible "bad" states. We then prove that SQUISH can achieve 100% throughput with a speedup of one. Our simulation results also show good delay performance for SQUISH.
Starting Page	1
Ending Page	8
File Size	4361887
Page Count	8
File Format	PDF
ISBN	1424412056
DOI	10.1109/HPSR.2007.4281262
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-05-30
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Throughput Switches Scheduling algorithm Traffic control Delay Telecommunication traffic Fabrics Chaos Internet Packet switching
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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