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Abstract
This redbook addresses the major networking issue facing many large
enterprises today: how to integrate their present SNA network with tomorrow's
TCP/IP and Web-based communication requirements.
There are many techniques available for carrying multiple protocols in the same
backbone network, but they fall into two major categories:
* Multiplexing or switching, in which all protocols are carried independently over
a common transport facility. Such a facility could be asynchronous transfer
mode (ATM), frame relay, X.25 or a bridged LAN. Multiprotocol routing also
falls into this category.
* Routing, which uses the network/routing layer of one protocol to carry all the
others. Generally (but not always), the backbone routing protocol chosen is IP.
In this book we concentrate on the routing techniques. In the first chapter we
offer an overview of each of them, and contrast their benefits and drawbacks. In
later chapters we illustrate each routing technique with practical examples
conducted at our laboratory in the Raleigh ITSO Center.
Many of the SNA/IP integration techniques have already been documented in
other redbooks, but never have they been brought together in one volume. This
book will help you to decide which method (or methods!) of SNA/IP integration is
most relevant to your needs, and to render assistance in implementing that method.
Table of contents
Not available.