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An efficient admission control method of real-time multicast connections in wide area networks

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4 Author(s)
Xiaohua Jia ; Dept. of Comput. Sci., City Univ. of Hong Kong, Hong Kong ; Yongbing Zhang ; N. Pissinou ; K. Makki

There are two major difficulties in real-time multicast connection setup. One is the design of an efficient distributed routing algorithm which optimizes the network cost of routing trees under the real-time constraints. The other is the integration of routing with admission control into one single phase of operations. This paper presents a real-time multicast connection setup mechanism, which integrates multicast routing with real-time admission control. The proposed mechanism performs the real-time admission tests on a COT (cost optimal tree) and a SPT (shortest path tree) in parallel, aiming at optimizing network cost of the routing tree under real-time constraints. It has the following important features: (1) it is fully distributed; (2) it achieves sub-optimal network cost of routing trees; (3) it takes less time and less network messages for a connection setup

Published in:

Computer Communications and Networks, 1998. Proceedings. 7th International Conference on

Date of Conference:

12-15 Oct 1998