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Alime.228 net.lan utzoo!decvax!harpo!floyd!vax135!lime!martin Fri Apr 23 09:19:49 1982 Title: IBM offers local area network/WSJ

From: lime!vax135!floyd!harpo!eagle!mhuxt!mhuxa!mhuxh!rdlib

"IBM is challenging the likes of Arcnet, Ethernet, WangNet in the electronic office business. These are local area networks, communications links that let computer-based equipment in the office or factory share information, data-storage space and special devices like electronic printers. ... Now, IBM has tipped its hand on plans for a network system (baseband) significantly different from most of its rivals. ... IBM favors wiring machines together to form an electronic circle while other networks use a backbone wire to which equipment is attached like branches on a tree trunk. Also, IBM's network would transfer data to the connecting wire by a method called 'token-passing.' Other systems, both baseband and broadband, use a transfer method called CSMA/CD, for carrier sense multiple access/collision detection. ... IBM also thinks its system is better suited for wiring with fiber- optic cable. Many expect fiber optics will be the base of future local area network systems, instead of today's telephone-type or coaxial cable." Wall Street Journal, 3/26/82, p29

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