Analyses of Virtual Path Bandwidth Control Effects in ATM Networks

Hisaya HADAMA  Ken-ichi SATO  Ikuo TOKIZAWA  

Publication
IEICE TRANSACTIONS on Communications   Vol.E78-B   No.6   pp.907-915
Publication Date: 1995/06/25
Online ISSN: 
DOI: 
Print ISSN: 0916-8516
Type of Manuscript: PAPER
Category: Communication Systems and Transmission Equipment
Keyword: 
communication systems and transmission equipment,  B-ISDN,  ATM transport network,  virtual path,  capacity control,  

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Summary: 
This paper presents a newly developed analytical method which evaluates the virtual path bandwidth control effects for a general topology ATM (Asynchronous Transfer Mode) transport network. The virtual path concept can enhance the controllability of path bandwidth. Required link capacity to attain a specified call blocking probability can be reduced by applying virtual path bandwidth control. This paper proposes an analytical method to evaluate the call blocking probability of a general topology ATM network, which includes many virtual paths, that is using virtual path bandwidth control. A method for the designing link capacities of the network is also proposed. These methods make it possible to design an optimum transport network with path bandwidth control. Finally, a newly developed approximation technique is used to develop some analytical results on the effects of dynamic path bandwidth control are provided to demonstrate its effectiveness.