Strategy for An Adaptive UPC Algorithm with Buffer Threshold in ATM Network


The Transactions of the Korea Information Processing Society (1994 ~ 2000), Vol. 4, No. 1, pp. 224-236, Jan. 1997
10.3745/KIPSTE.1997.4.1.224,   PDF Download:

Abstract

In order to control the flow of traffic in ATM networks and optimize the usage of network resources, an appropriate control mechanism is necessary to cope with congestion or prevent degradation of network performance caused by congestion, While the conventional UPC algorithm provides only unstable preventive function unrelated with the state of networks and is unable to recover congestion, the proposed adaptive UPC algorithm supervises the situation of ATM networks using the information from OAM cell. Then the monitor of the proposed adaptive UPC algorithm controls leaky late and buffer threshold value according to QOS. Therefore, the proposed algorithm can cope with congestion as well as prevent and react sensitively to buffer delay. In proportion to the diversity of traffic and the increase of transmission rate in networks, the adaptive UPC-BT algorithm proposed in this paper can be effectively used in ATM networks with wide applications. The paper shows that the proposed algorithm efficiently uses network resources and provides QOS to user for various kinds of traffics by comparing with the conventional UPC algorithm.


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Cite this article
[IEEE Style]
A. O. Jung and C. K. Joon, "Strategy for An Adaptive UPC Algorithm with Buffer Threshold in ATM Network," The Transactions of the Korea Information Processing Society (1994 ~ 2000), vol. 4, no. 1, pp. 224-236, 1997. DOI: 10.3745/KIPSTE.1997.4.1.224.

[ACM Style]
Ahn Ock Jung and Chae Ki Joon. 1997. Strategy for An Adaptive UPC Algorithm with Buffer Threshold in ATM Network. The Transactions of the Korea Information Processing Society (1994 ~ 2000), 4, 1, (1997), 224-236. DOI: 10.3745/KIPSTE.1997.4.1.224.