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CCIE Fundamentals: Network Design and Case Studies, Second Edition by Cisco Systems, Inc.

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Chapter 7. Designing APPN Networks

Edited by Nicole Park

Advanced Peer-to-Peer Networking (APPN) is a second generation of theSystems Network Architecture (SNA) from IBM. It moves SNA from a hierarchical, mainframe-centric environment to a peer-to-peer environment. It provides capabilities similar to other LAN protocols, such as dynamic resource definition and route discovery.

This chapter focuses on developing the network design and planning a successful migration to APPN. It covers the following topics:

  • Evolution of SNA

  • When to Use APPN as Part of a Network Design

  • When to Use APPN Versus Alternative Methods of SNA Transport

  • Overview of APPN

  • Scalability Issues

  • Backup Techniques in an APPN Network

  • APPN in a Multiprotocol Environment

  • Network Management

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