SEMINAR ON Narrow Band and Broad Band ISDN : The most important development in communications between computers in the 1990s is the development of integrated services digital network (ISDN) and broadband ISDN (B-ISDN). ISDN and broadband ISDN has had a dramatic impact on the planning and implementation of intelligent digital networks that offer integrated voice, data and video. Moreover, working on ISDN and broadband ISDN standards led to the development of two major new network technologies, frame relay and asynchronous transfer mode (ATM). Frame Relay and ATM has become the essential ingredients in the development of high-speed network applications for local, metropolitan and wide area.
ISDN is intended to be a public telecommunications network around the world to replace the public telecommunications networks and offer a wide range of services. ISDN is defined by the standardization of user interfaces and implemented as a set of digital switches and paths to support a wide range of traffic types and provide value-added processing. In practice, there are several networks that are implemented within national borders, but from a user perspective, any large-ISDN deployment lead to a single, uniform access, the global network.
The narrowband ISDN is based on using a 64 kbps channel as the basic unit of change and the direction of circuit switching. The main technical contribution of the efforts of narrowband ISDN is Frame Relay. B-ISDN supporting very high transmission rates (100s of Mbps) and the orientation package. Significant technical contribution to the B-ISDN work has been done Asynchronous Transfer Mode, which is also known as cell relay
ISDN is intended to be a public telecommunications network around the world to replace the public telecommunications networks and offer a wide range of services. ISDN is defined by the standardization of user interfaces and implemented as a set of digital switches and paths to support a wide range of traffic types and provide value-added processing. In practice, there are several networks that are implemented within national borders, but from a user perspective, any large-ISDN deployment lead to a single, uniform access, the global network.
The narrowband ISDN is based on using a 64 kbps channel as the basic unit of change and the direction of circuit switching. The main technical contribution of the efforts of narrowband ISDN is Frame Relay. B-ISDN supporting very high transmission rates (100s of Mbps) and the orientation package. Significant technical contribution to the B-ISDN work has been done Asynchronous Transfer Mode, which is also known as cell relay
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