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PNNI internetworking architecture over ATM public networks

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3 Author(s)
M. Kakemizu ; Fujitsu Labs. Ltd., Kawasaki, Japan ; K. Murata ; M. Wakamoto

An increase in high quality of service (QoS) applications such as video conferencing and distribution, and the evolution of the Internet have popularized ATM-LAN use based on the private network node interface (PNNI). Also in public networks, which serve as backbone networks for LANs, ATM technology is being introduced for high-speed and broadband communication. These situations lead to a great demand for economically and seamlessly interconnecting remote ATM-LANs via ATM public networks, which are based on the broadband ISDN user part (BISUP). This paper discusses a peer group configuration method for such an internetworking architecture that can avoid an overload of the PNNI routing processing in each peer group. The paper also proposes a method for seamless interconnection of remote ATM-LANs. In this method, complete PNNI signalling and routing is executed between a local switch (LS) in a public network and each ATM-LAN. It can also reduce the PNNI routing processing load on each public network by emulating PNNI routing and signalling between LSs

Published in:

ATM Workshop, 1999. IEEE Proceedings

Date of Conference: