NDLI: Improving fairness of long VCs using active fairness in the ATM ABR service

Content Provider	IEEE Xplore Digital Library
Author	Chew, J.P. Gupta, A.K.
Copyright Year	2000
Description	Author affiliation: Sch. of Appl. Sci., Nanyang Technol. Univ., Singapore (Chew, J.P.)
Abstract	The fair distribution of bandwidth to different connections is an important issue in the available bit rate (ABR) service in asynchronous transfer mode (ATM) networks. Traditional schemes fail to achieve desired bandwidth allocations, which are generally based on connection weights. This paper presents a new scheme called active fairness which substantially improves fairness in bandwidth allocations. Contrary to the single set of weights used in traditional schemes, active fairness maintains two sets of weights at each link. The first set is the same as that used in traditional schemes, which represents the relative bandwidth allocation desired out of the available bandwidth at the link. If these weights are used directly in bandwidth allocation, the actual proportion of the bandwidth utilized by an individual connection can deviate substantially due to factors such as the number of links traversed by the connection, its round-trip propagation delay, etc. In order to take into account these factors, the second set of weights is adjusted repeatedly, and is used directly in bandwidth allocation. Simulations under bursty background traffic and a bottleneck scenario demonstrate the effectiveness of active fairness.
Starting Page	1743
Ending Page	1747
File Size	480617
Page Count	5
File Format	PDF
ISBN	0780362837
DOI	10.1109/ICC.2000.853793
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2000-06-18
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Virtual colonoscopy Bandwidth Channel allocation Asynchronous transfer mode Switches Bit rate Telecommunication traffic Feedback Erbium Computer networks
Content Type	Text
Resource Type	Article

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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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