NDLI: Cell loss probability for the prioritized leaky bucket

Content Provider	IEEE Xplore Digital Library
Author	Tam, T.F.L. Ma, B.N.W.
Copyright Year	1995
Description	Author affiliation: Ryerson Polytech. Univ., USA (Tam, T.F.L.; Ma, B.N.W.)
Abstract	The paper studies the prioritized leaky bucket (PLB) as a usage/network parameter control (UPC/NPC) mechanism. The UPC/NPC mechanism is an important part of the overall congestion control strategy for B-ISDN using asynchronous transfer mode (ATM). The PLB is a modified leaky bucket mechanism which incorporates selective cell discarding to manage prioritized traffic for an ATM connection. Selective cell discarding is accomplished by using a prioritized token pool or a prioritized input buffer. The PLB is analyzed as a single server with a prioritized queue using the fluid flow approximation method. The source is modeled by an on/off fluid-flow source. The burst and silence periods are both exponentially distributed. By forming a Markov chain of the buffer state at the beginning of each burst, a set of integral equations can be obtained. Simulations are then taken to examine the validity of the fluid-flow analysis. Three types of prioritized traffic source models are considered. They are the non-biased, small biased, and large biased source models. We conclude that the accuracy of the fluid flow analysis decreases with the amount of bias introduced to the source model. The cell loss probabilities derived from the fluid flow analysis are valid for the non-biased and small biased cases. However, they fail to accurately reflect the cell loss in the large biased case. The simulation results also show that the small biases source benefits more from the PLB. This observation provides a new insight on the design of a priority coding scheme for an ATM connection.
Starting Page	962
Ending Page	966
File Size	417703
Page Count	5
File Format	PDF
ISBN	0780327667
ISSN	08407789
DOI	10.1109/CCECE.1995.526588
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1995-09-05
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Fluid flow Traffic control Queueing analysis Asynchronous transfer mode B-ISDN Integral equations Analytical models Communication system traffic control Approximation methods Laplace equations
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering Hardware and Architecture

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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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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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