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GA27-3102-0
File No. S370-09
Systems Network Architecture
Systems General Information
Preface
This manual is designed for those persons having a basic understanding of data
communications who need general information about Systems Network Architec-
ture (SNA). It includes basic descriptions of the terminology, concepts, and scope
of SNA. The information contained in this manual is current with the September,
1974, announcement of Advanced Function for Communications.
This manual does not provide instructions for implementing SNA, nor does it
describe any specific equipment or programs that may implement SNA. For
details of specific SNA implementations or information on SNA implementation
subsets, the reader should refer to the appropriate publications, as available, that
describe equipment or programs to be incorporated in an IBM SNA communica-
tions system.
Specific IBM equipment and programs which are consistent with SNA are identi-
fied in Advanced Function for Communications System Summary, GA27-3099.
See notice (below) for the availability and current level of the applicable manuals.
First Edition (January 1975)
Changes are periodically made to the information herein; before using this publication in
connection with the operation of IBM systems or equipment, refer to the IBM
System/360-System/370 Bibliography (Order No. GA22-6822) for the editions that are
applicabk and current.
Requests for copies of IBM publications should be made to your IBM representative or to
the IBM branch office serving your locality.
This manual has been prepared by the IBM Systems Development Division,
Advanced Systems. Architecture, Dept: E97, P.O. Box 12195, Research Triangle
Park, North Carolma 27709 and pubhshed by department EO 1. A form for
readers' comments is provided at the back of this publication. If the form has
been removed, comments may be sent to the above address.