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doi:10.1016/0140-3664(93)90015-K 
Copyright © 1993 Published by Elsevier Science B.V.
Research
Interconnection of LAN/MANs through SMDS on top of an ATM network
Available online 30 June 2003.
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Abstract
In this paper we study the interconnection of high-speed LANs and MANs via SMDS, implemented on top of an ATM network. The internetworking unit and the Connectionless server concepts are introduced, and their protocol architectures and functions are examined. Two different interconnection schemes are proposed: INUs connected either directly in a full meshed scheme, or through a CLS net. In both cases, routing and addressing issues are studied with INUs acting either as router or bridge. The key features that must be implemented at the connectionless network access protocol (CLNAP) layer are identified. The problem of interfacing connectionless SMDS users to the connection-oriented ATM network is also addressed. Three solutions — fast bandwidth reservation, bandwidth advertising, and connectionless server — are investigated for resource management purposes. Cost and performance trade-offs are studied, and are illustrated by experimental results.
Author Keywords: interconnection; ATM; SMDS; MAN; connection-less server; bandwidth allocation
