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LAN Internetworking through Broadband ISDN
Masayuki MURATA Hideo MIYAHARA
IEICE TRANSACTIONS on Communications
Publication Date: 1994/03/25
Print ISSN: 0916-8516
Type of Manuscript: INVITED PAPER (Special Issue on Future Private Networks)
local area network, broadband ISDN, ATM (Asynchronous Transfer Mode), connectionless service function, dynamic bandwidth control, fast reservation protocol,
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A local area network (LAN) can now provide high-speed data communications in a local area environment to establish distributed processing among personal computers and workstations, and the need for interconnecting LANs, which are geographically distributed, is naturally arising. Asynchronous Transfer Mode (ATM) technology has been widely recognized as a promising way to provide the high-speed wide area networks (WAN) for Broadband Integrated Services Digital Network (B-ISDN), and the commercial service offerings are expected in the near future. The ATM network seems to have a capability as a backbone network for interconnecting LANs, and the LAN interconnection is expected to be the first service in ATM networks. However, there remain some technical challenges for this purpose; one of the main difficulties in LAN interconnection is the support of connectionless traffic by the ATM network, which is basically a connection-oriented network. Another one is the way of achieving the very high-speed data transmission over the ATM network. In this paper, we first discuss a LAN internetworking methodology based on the current technology. Then, the recent deployments of LAN interconnection methods through B-ISDN are reviewed.