Worst Case Analysis for Multiplexed Traffic Enforced by Enhanced Leaky Bucket with CDV Tolerance

Jung-Shyr WU  Shyh-Wen SUE  

Publication
IEICE TRANSACTIONS on Communications   Vol.E80-B   No.4   pp.557-563
Publication Date: 1997/04/25
Online ISSN: 
DOI: 
Print ISSN: 0916-8516
Type of Manuscript: PAPER
Category: Communication Networks and Services
Keyword: 
leaky bucket,  CDV,  UPC,  

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Summary: 
In ATM networks, a usage parameter control (UPC) strategy must regulate incoming traffic according to the characteristics of the sources declared at call set-up. Among various UPC schemes, Leaky Bucket is a conventionally method having been discussed extensively. This paper examines the characteristics of the multiplexer with a sufficient buffer in which cell arrivals are policed by Enhanced Leaky-Bucket (ELB) before entering the system. In addition to the factor of mean rate, peak rate and cell delay variation (CDV) are also considered for each ELB. We find out the worst output pattern from the ELB and derive the upper bound on average waiting time as a function of the ELB parameters.