Proceedings PaperEvolution of protocol testers from SMDS to B-ISDN
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SMDS is a new high-speed data service that is currently being implemented in the United States and will soon be available in Europe. The characteristics of SMDS and the protocols used to provide it are briefly explained. The protocol tester, a particular kind of telecommunication test equipment, is presented. Some typical test scenarios for SMDS are shown, and approaches used to implement an SMDS protocol tester are discussed. While SMDS is being introduced, another technology called B-ISDN is emerging as a worldwide standard. The goal of the B-ISDN network is to provide a wide range of high-speed communication services with near-universal connectivity, in the same way that the telephone network provides voice service around the globe today. The reliability and quality of service provided by the B-ISDN network will be extremely important. The requirements for a B-ISDN tester are discussed, and compared to the requirements for an SMDS tester.