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Telecommunications Marketing Center
Raleigh, N.C.
Com'munications
Systems
Bulletin
IBM TOKEN-RING GATEWAY PERFORMANCE
AND CONNECTMlY FOR THE
IBM 3174/3720/3725/3745
By Dennis Noto
OAPS Code 0895
ZZ05-0292-00
JUNE 1988
IBM Token-Ring Gateway
Performance and
Connectivity
For The IBM
3174/3720/3725/3745
Dennis Noto
IBM Corporation
JUNE 1988
Abstract
The purpose of this document is to give the reader
guidelines for selecting the appropriate communication controller
IBM (3174-3720/25/45) for attachment to the IBM Token-Ring.
It is to aid in understanding configurations of host attached
or remote attached controllers. In order to make an initial
decision, an understanding of the connectivity of each device
and the different features, throughput capabilities, and
requirements in each loc~l and remote IBM Token-Ring network
environment is needed. Yarious backup alternatives will also
be reviewed. With this knowledge the proper IBM Token-Ring
environment can be selected to meet the needs of the network.
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This document has not been subjected to any formal review and
has not been checked for technical accuracy. Results may be
individually evaluated for applicability to a particular
installation. You may discuss pertinent information from this
bulletin with a customer, and you can abstract pertinent
information for presentation to your customers. However, any
code included is for internal information purposes only and may
not be given to customers. If included code is identified as
"incidental programming", its use must conform to the
guidelines in the relevant section of the sales manual.
In this document, any references made to an IBM licensed
program are not intended to state or imply that only IBM's
licensed program may be used; any functionally equivalent
program may be used instead.
Any performance data contained in this publication was obtained
in a controlled environment based on the use of specific data
and is presented only to illustrate techniques and procedures
to assist IBM personnel to better understand IBM products. The
results which may be obtained in other operating environments
may vary significantly. Users of this document should verify
the applicable data in their specific environment. No
performance data may be abstracted or reproduced and given to
Non-IBM personnel without prior written approval by Marketing
Practices.
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INTRODUCTION
In today's telecommunications environment there are
many options to meet your networking needs. One of these
options is the IBM Token-Ring. The four major IBM Token-Ring
connectivity options that will be discussed in this document
are IBM 3174, 3720, 3725 and 3745. Selection of one of these
options will usually be determined by four considerations:
COST
FUNCTION
THROUGHPUT CAPACITY
BACKUP
This document will help provide an understanding of these
considerations and connectivity options and give guidance in
selecting the appropriate controller for attachment to the IBM
Token-Ring.
Additional information can be obtained from the IBM Network
Control Program Token-Ring Interface Planning and
Implementation Document (GG-24-3110) and Performance
Guidelines For 3x74 Attached Workstation (ZZ20-4167-5)
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Introduction
Connection Considerations
When Attaching the
IBM Tok en-Ring
to the
IBM 3174, 3720, 3725, 3745
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AGENDA
The objective of this presentation is to discuss the different
selection criteria for attaching the IBM Token-Ring to an IBM
3174, 3720, 3725 or 3745. This presentation covers significant
considerations such as connectivity, data throughput,
performance, etc., to help in understanding the various
considerations involved in choosing the appropriate controllers
for attachment of the IBM Token-Ring.
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Agenda