NDLI: SWFA: a new buffer management mechanism for TCP over ATM-GFR

Content Provider	IEEE Xplore Digital Library
Author	Wei Kuang Lai Chin Chao Liu
Copyright Year	2001
Description	Author affiliation: Dept. of Comput. Sci. & Eng., Nat. Sun Yat-Sen Univ., Kaohsiung, Taiwan (Wei Kuang Lai)
Abstract	UBR connections of ATM networks provide no service guarantees. Schemes such as EPD (early packet discard) or PPD (partial packet discard), though improving the goodputs of packets over UBR (unspecified bit rate), cannot guarantee a MCR (minimum cell rate) for each flow. Guerin and Heinanen (1996) proposed a new service, which was originally called "UBR+" and is now called GFR (guaranteed frame rate), to assure a MCR for each flow. We investigate packet-discarding schemes for TCP over ATM with GFR service. We propose the SWFA (selective weighted fair allocation) scheme, which discards packets from selected sessions. 15 TCP connections with equal MCR and unequal MCRs are simulated. The SWFA scheme with per-VC queuing is compared with EPD with FIFO queuing, EPD with per-VC queuing and DFBA (differential fair buffer allocation) with per-VC queuing. Our results show that SWFA with per-VC queuing achieves significant enhancement on throughputs, goodputs, and fairness.
Starting Page	2322
Ending Page	2326
File Size	553661
Page Count	5
File Format	PDF
ISBN	0780370971
DOI	10.1109/ICC.2001.936536
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2001-06-11
Publisher Place	Finland
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Asynchronous transfer mode Throughput Bandwidth Virtual colonoscopy Switches Traffic control Chaos Computer science Bit rate TCPIP
Content Type	Text
Resource Type	Article

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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
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