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SNA is dead; long live APPN? (systems network architecture, advanced peer-to-peer networking)
Business Communications Review, May, 1992 by Guruge, Anura
SNA's evolution has been capped, and IBM will use APPN to migrate into the brave new world of internetworking. Big Blue's got a big job to do.
SNA's imposing two-decade reign over commercial data networking is coming to an end. IBM activated the end-play scenario for SNA on March 25 with its Host APPN (a.k.a. Subarea APPN) and "networking blueprint" announcement (see BCR, April 1992, pp. 8-110 That IBM hyped this announcement as its most significant since the introduction of SNA in 1974 demonstrated how IBM networking has been irrevocably bound by SNA.
However, despite the concessions IBM has recently made to "Open Systems" - the networking blueprint being a classic example - SNA's empire of 50,000 networks is not going to be surrendered to an...
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