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Performance Analysis of the D Channel Access Control Scheme in the ISDN Basic User/Network Interface

Shimpei YAGYU, Hideaki TAKAGI

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Summary :

In the basic user/network interface of ISDN (ITU-T Recommendation I. 430), the D-channel is shared by up to 8 terminals for signal and data packets. An analytical model is proposed to reveal the performance characteristics of the access control scheme for the D-channel. Numerical and simulation results are shown to demonstrate the performance differentiation of the terminals with different priorities. It is observed that the mean signal delay at low load may become large because of long service time for packets, and that the priority mechanism may not work properly when the loads at terminals are very asymmetric.

Publication
IEICE TRANSACTIONS on Communications Vol.E82-B No.4 pp.575-585
Publication Date
1999/04/25
Publicized
Online ISSN
DOI
Type of Manuscript
PAPER
Category
Communication Networks and Services

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