Business Services Industry
APPN: the once and future SNA. (advanced peer-to-peer networking; systems network architecture)
Business Communications Review, May, 1995 by Passmore, David
There's so much talk about TCP/IP and router-based backbones these days that the phrase "next-generation SNA" seems to be almost an oxymoron. If you listened to conference presentations and the trade media, you'd think that SNA had no future, except perhaps as a "legacy" architecture. But enterprise network managers in large corporations tell a different story.
Aside from a few highly publicized cases where companies have completely scrapped the mainframe and SNA, the vast majority still run their mission-critical applications on SNA networks. In fact, some studies suggest that SNA makes up the majority of wide area traffic on corporate networks today. However, as the use of LANs and client-server applications expands, this "silent majority" of...
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