Bandwidth Adaptation for Traffic Flow in Connectionless Service over ATM Networks (IEICE/IEEE Joint Special Issue on Recent Progress in ATM Technologies)

概要

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Increasing traffic on the Internet and intranets has raised demands for high-speed, large-scale and cost-effective computer networking techniques. ATM connectionless service provides high-speed, highly scalable, and flexible services because connectionless networks are constructed logically over high-speed ATM networks. This paper described the self-sizing operation for high-speed, large-scale connectionless service over an ATM network. Self-sizing is an autonomous adjustment mechanism for virtual path (VP) bandwidths based on traffic conditions observed in real time. We confirmed its feasibility on a test-bed network. The self-sizing operation caused the VP bandwidth to approach the necessary value while satisfying the target cell loss ratio (CLR). We developed an operations system (OpS) that achieves self-sizing in an ATM connectionless network. The OpS suggests necessary bandwidth for VP that may exceed the target CLR. The algorithm utilized in the OpS does not require observation or logical processes, which would be a heavy load on each node. Self-sizing operation will provide easy and cost-effective management because it adjusts VP bandwidth flexibly depending on the current traffic demand.
社団法人電子情報通信学会の論文
2000-02-25