NDLI: Enhancing of available bit rate traffic management schemes in ATM networks

Content Provider	IEEE Xplore Digital Library
Author	Amer, H.A.
Copyright Year	1999
Description	Author affiliation: NTI, Egypt (Amer, H.A.)
Abstract	The rate-based flow control for available bit rate (ABR) services in asynchronous transfer mode (ATM) networks is presented. A closed control loop between the source and the destination is performed to implement flow control for ABR services. The source sends resource management (RM) cells with the data cells to be used to indicate the sending station's current transmission rate and the higher rate it would like to use. Based on this information the available cell rate (ACR) which the network can afford is calculated. This is performed in three different ways known as explicit forward congestion identification (EFCI), relative rate marking (RRM) and explicit proportional rate control algorithm (EPRCA). In this paper the combination of the three different schemes is considered. A general formula for evaluating ACR value is given when two network conditions are considered, namely heavy load and moderate load. The new ACR value is calculated based on a feedback acknowledgement from the bottleneck switch. This acknowledgement suggests a new ACR value namely explicit rate (ER)-a rate that the congested switch can afford. A computer simulation is performed to examine the performance of a network consisting of two ATM switches applying the previously mentioned control schemes. High performance is achieved when using the explicit rate (ER) determined by the congested switch.
File Size	819410
File Format	PDF
ISBN	9775031621
DOI	10.1109/NRSC.1999.760895
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1999-02-25
Publisher Place	Egypt
Access Restriction	Subscribed
Rights Holder	Academy of Scientific Res. & Technol.
Subject Keyword	Bit rate Telecommunication traffic Intelligent networks Asynchronous transfer mode Communication system traffic control Switches Quality of service Telecommunication control Telecommunication congestion control Traffic control
Content Type	Text
Resource Type	Article

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