Abstract

Unlike conventional packet-switched networks, the ATM network is expected to perform connection-oriented operations for calls with variable traffic characteristics. Fault tolerance in highspeed ATM networks it greatly needed even for short-time link failures due to the possibility of large cell. In this paper, we develop an ATM backbone network design algorithm and network resource management schemes to cope with network fault tolerance by considering different qualities of service, such as cell loss probability and mean end-to-end delay requirements for each call request. In addition, we ensure that these performance requirements are met even under faulty network conditions. Numerical examples show that our algorithm yields good solutions.

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