Basic HTML version of Foils prepared Dec. 6 98

Foil 42 Systems Network Architecture (2)

From Introduction to Network Protocols Lectures at Xi'an Jaotong University -- Sept 1998. by Roman Markowski
1 SNA existed prior to and became part of IBM's Systems Application Architecture (SAA) and it is currently part of IBM's Open Blueprint. With the advent of multi-enterprise network computing, the Internet, and the de facto open network architecture of TCP/IP, IBM is finding ways to combine its own SNA within the enterprise with TCP/IP for applications in the larger network.
2 Two separate architectures
  • SNA - classical, traditional, hierarchical, mainframe-centric
  • APPN- Advanced Peer-to-Peer Networking and Advanced Program-to-Program Computing (APPC)
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