Stability and Adaptability of Autonomous Decentralized Flow Control in High-Speed Networks

Chisa TAKANO  Masaki AIDA  

IEICE TRANSACTIONS on Communications   Vol.E86-B   No.10   pp.2882-2890
Publication Date: 2003/10/01
Online ISSN: 
Print ISSN: 0916-8516
Type of Manuscript: Special Section PAPER (IEICE/IEEE Joint Special Issue on Assurance Systems and Networks)
Category: Network Control and Management
autonomous decentralized system,  flow control,  diffusion,  feedback,  

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This paper focuses on flow control in high-speed networks. Each node in a network handles its local traffic flow on the basis of only the information it is aware of, but it is preferable that the decision-making of each node leads to high performance of the whole network. To this end, we investigate the relationship between the flow control mechanism of each node and network performance. We consider the situation in which the capacity of a link in the network is changed but individual nodes are not aware of this. Then we investigate the stability and adaptability of the network performance, and discuss an appropriate flow control model on the basis of simulation results.