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Fault-tolerant multimedia communication networks with QoS-based checkpoint protocol

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2 Author(s)
Osada, S. ; Dept. of Comput. & Syst. Eng., Tokyo Denki Univ., Japan ; Higaki, H.

Advanced computer and network technologies have lead to the development of computer networks. Here, an application is realized by multiple processes located on multiple computers connected to a communication network. Each process computes and communicates with other processes by exchanging messages through communication channels. Mission-critical applications are required to be executed fault-tolerantly. This paper proposes novel consistency of global checkpoints in multimedia communication networks. Unlike the conventional consistency, it allows for processes to take local checkpoints during communication events and to lose a part of a message in recovery. In addition, we show a checkpoint protocol based on the proposed consistency. The checkpoint protocol is nonblocking for supporting time-constrained applications. In addition, it is QoS-based where a QoS parameter is global consistency

Published in:

Communications, Computers and signal Processing, 2001. PACRIM. 2001 IEEE Pacific Rim Conference on  (Volume:2 )

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