Information technology — International Standardized Profile RB — Relaying the connection-mode Network Service — Part 2: LAN Subnetwork-dependent media-independent requirements

Technologies de l'information — Profil normalisé international RB — Relais du service de réseau en mode connexion — Partie 2: Prescriptions RLE dépendantes du sous-réseau indépendantes du milieu

General Information

Status
Withdrawn
Publication Date
03-Jul-1996
Withdrawal Date
03-Jul-1996
Current Stage
9599 - Withdrawal of International Standard
Completion Date
19-May-2009
Ref Project

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ISO/IEC ISP 12067-2:1996 - Information technology -- International Standardized Profile RB -- Relaying the connection-mode Network Service
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ISO/IEC
INTERNATIONAL
STANDARDIZED ISP
12067-2
PROFILE
First edition
1996-07-01
Information technology - International
Standardized Profile RB - Relaying the
connection-mode Network Service -
Part 2:
LAN Subnetwork-dependent
media-independent requirements
Profil nor-ma/is6 international RB - Relais
Technologies de I’informa tion -
du service de r&eau en mode connexion -
Partie 2: Prescriptions RLE dkpendantes du sous-r&eau indgpendantes du
milieu
Reference number
lSO/IEC ISP 12067-2:1996(E)

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ISO/IE@ ISP 12069-2: 1996(E)
Page
Contents
. . .
111
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .“.‘.*.
Foreword
iv
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .‘.
Introduction
1
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
scope
1
Normative rcfcrcnccs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . 2
Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2
Abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2
Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2
5.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .~.‘.
2
5.2 Static conformance requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3
5.3 Dynamic conformance requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Annex A Profile Requirements List (normative)
5
A. 1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
A.2 Notation and conventions
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
A.3 Profile RL for ISO/IEC 8208
A.4 Profile RL for ISO/IEC 8802-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Annex B Recommendations (informative) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .‘. 8
B. 1 Introduction 8
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
B.2 ISO/IEC 8802-2 recommendations
@XSO/IEC 1996
All rights reserved. Unless otherwise specified. no part of this publication may be reproduced or utilized in
any form or by any means, electronic or mechanical, including photocopying and microfilm, without
permission in writing from the publisher.
ISO/IEC Copyright Office l Case postalc 56 l CH-1211 Genkve l Switzerland
Printed in Switzerland
11

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0 ISO/IEC ISO/IEC ISP 12067-2: 1996(E)
Foreword
IS0 (the International Organization for Standardization) and IEC (the Inter-
national Electrotechnical Commission) form the specialized system for worldwide
standardization. National bodies that are members of IS0 or IEC participate in the
development of International Standards through technical committees established
by the respective organization to deal with particular fields of technical activity.
IS0 and IEC technical committees collaborate in fields of mutual interest. Other
international organizations, governmental and non-governmental, in liaison with
IS0 and IEC, also take part in the work.
In the field of information technology, IS0 and IEC have established a joint
technical committee, ISOKIEC JTC 1. In addition to developing International
Standards, ISO/IEC JTC 1 has created a Special Group on Functional Stan-
dardization for the processing of International Standardized Profiles.
An International Standardized Profile is an internationally agreed, harmonized
document which identifies a standard or group of standards, together with options
and parameters, necessary to accomplish a function or set of functions.
Draft International Standardized Profiles are circulated to national bodies for
voting. Publication as an International Standardized Profile requires approval by
at least 75 % of the national bodies casting a vote.
International Standardized Profile ISO/IEC ISP 12067-2 was prepared with the
collaboration of
Asia-Oceania Workshop (AOW);
-
- European Workshop for Open Systems (EWOS);
Open Systems Environment Implementors’ Workshop (OIW).
-
ISO/IEC ISP 12067 consists of the following parts, under the general title Infor-
mation technology - International Standardized Profile RB - Relaying the con-
nection-mode Network Service:
Part I: Subnetwork-independent requirements
Part 2: LAN Subnetwork-dependent media-independent requirements
- Part 3: PSDN Subnetwork-dependent media-dependent requirements for
virtual calls over a permanent access
- Part 4: Definition of profile RB51.1 I 11, relaying the connection-mode Net-
work Service between CSMAKD LAN subnetworks and PSDNs using vir-
tual calls over a PSTN leased line permanent acess
- Part 5: Definition of profile RB51.1121, relaying the connection-mode Net-
work Service between CSMA/CD LAN subnetworks and PSDNs using vir-
tual calls over a digital data circuit/CSDN leased line permanent acess
Annex A forms an integral part of this part of ISO/IEC ISP 12067. Annex B is for
information only.
iii

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0 ISO/IEC
ISO/IEC ISP 12067-2: 1996(E)
Introduction
This International Standardized Profile (ISP) is defined in accordance with the principles specified by ISO/IEC
Technical Report 10000.
The contest of Functional Standardization is one area in the overall field of Information Technology (IT)
standardization activities. covering base standards, profiles, and registration mechanisms. A profile defines a
combination of base standards that collectively perform a specific well-defined IT function. Profiles
standardize the USC of options and other variations in the base standards, and provide a base for the
development of uniform, internationally recognized system tests.
ISPs are produced not simply to “lcgitimizc” a particular choice of base standards and options, but to promote
real system interoperability. One of the most important roles for an ISP is to serve as the basis for the
development (by organizations other than IS0 and IEC) of internationally recognized test methods. The
development and widespread acceptance of tests based on this and other ISPs is crucial to the successful
realisation of this goal.
ISO/IEC ISP 12067 consists of scvcral parts. of which this is Part 2. ISO/IEC ISP 12067-I specifics the profile
requirements that arc subnctwork-indcpcndcnt. There are further parts which specify subnetwork-dependent
and media-dependent requirements. In addition. for each individual profile there is a part of ISO/IEC ISP
12067 which identifies the specific requirements of that profile, making reference to appropriate material from
part 1 and from the subnctwork-dcpcndent parts.
IV

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ISOlIEC ISP 12067-2:1996(E)
INTERNATIONAL STANDARDIZED PROFILE @XSO/IEC
International Standardized
Information technology -
Profile RB - Relaying the connection-mode Network
Service -
Part 2:
LAN Subnetwork-dependent media-independent requirements
1 Scope
ISO/IEC ISP 12067 is applicable to interworking units concerned with operating in the Open Systems Intercon-
nection (OSI) environment. It specifies a combination of OS1 base standards that collectively provide a relay
function for the connection-mode Network Service.
This part of ISO/IEC ISP 12067 specifics subnetwork-dependent requirements applicable to an interworking
unit attached to a LAN and using the IS0 8802-2 LLC type 2 protocol, irrespective of the LAN medium. The
operation of an intcrworking unit may involve relaying from one subnetwork to another, and those
subnetworks need not be of the same type. This part of ISO/IEC ISP 12067 applies only to communication over
those subnctworks which arc LANs using IS0 8802-2 LLC type 2.
’ 2 Normative references
The following documents contain provisions which, through reference in this text, constitute provisions of this
part of ISO/IEC ISP 12067. At the time of publication, the editions indicated were valid. All documents are
subject to revision. and par-tics to agrccmcnts based on this part of lSO/IEC ISP 12067 are warned against
automatically applying any more recent editions of the documents listed below, since the nature of references
made by ISPs to such documents is that they may be specific to a particular edition. Members of IEC and IS0
maintain registers of currently valid International Standards and ISPs, and ITU-T maintains published editions
of its current Recommendations.
ISO/IEC 8208 : 1995. Injkwation technologv - Data corrrmunications - . Y.25 Packet Layer Protocol for Data
Terminal Equipment
ISOIIEC 8802-2 : 1994. InJilvmation technologv - Telecommunications and infirmation exchange between
systems - Local and metropolitan area networks - $peciJic requirements - Part 2: Logical link control
ISO/IEC 888 1 : 1 9W. Infkmation processing systems - Data communications - Use of the X. 25 packet level
.
protocol in local area networks
ISO/IEC 888 1 : 19WCor. I : 199 I. Inj?mnation processing systems - Data communications - Use of the X. 25
packet level protocol in local area networh-s - TIXIIINIC ’A L C~ORR.IGEND Cl&f I
NOTE - This Technical Corrigendum to IW/IEC 8881 is to apply throughout in this part of ISWIEC ISP 12067, wherever ISWIEC 8881
itself is refcrcnccd.

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olso/IEC
ISO/lEC ISP 12067-2:1996(E)
Open Svsterns interconnection - C. ‘on$x-rnance testing
lSO/lEC 9646-7: 1995, k@wntion techmlogv -
I
- Part 7: hnplemen tat ion dTonfirmance Statements
methodo@v and framework
Framework and taxonomy of International
lSO/lEC TR 1 OOOO- 1 : 1995. jnSonnation technologv -
Standardized ProJles - Part I: General principles and dmxmentatim framework
lSO/IEC TR 10000-2 : 1995. Injkmation technologv - Framework and taxonomv of International
.
Standardized ProJiles - Part 2: Principles and Taxonomy fi,r OS1 profiles
3 Definitions
The terms used in this part of ISO/IEC ISP 12067 arc defined in the rcfercnced base standards (see clause 2).
4 Abbreviations
Abbreviations used in this part of ISO/lEC ISP 12067 are defined in the referenced base standards (see clause
.
2)
5 Requirements
51 .
Introduction
The requirements in this clause apply to all intcrworking units within the scope of lSO/IEC ISP 12067,
without regard to the type of medium of the LAN to which they arc attached. Additional requirements apply to
interworking units according to the types of medium to which they arc attached; these requirements are
specified in other parts of ISO/IEC ISP 12067.
52 . Static conformance requirements
5.2.1 Overall requirements
An implementation conforming to this part of lSO/lEC ISP 12067 shall:
a) meet the requirements for lSO/lEC 8208 in the subclause 5.2.2 below;
b) meet the rcquircmcnts for ISO/lEC 8802-2 in the subclause 5.2.3 below;
c) support all the fcaturcs identified as requirements in the Profile Requirements List in annex A.
5.2.2 ISO/IEC 8208
The implementation shall:
a) meet the requirements for the X.25 Packet Layer Protocol of lSO/lEC 8208, as modified for operation
over LLC type 2 in a LAN environment by lSO/lEC 888 1;
b) support the following optional user facilities:
- Non-standard Default Packet Sizes:
- Non-standard Default Window Sizes;

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ISOlIEC ISP 12067-2:1996(E)
0lSO/IEC
support at least the following non-standard default parameter values:
Cl
-
all Non-standard Default Packet Sizes (maximum user data field length) from 32 octets to
1024 octets;
-
all Non-standard Default Window Sizes from 1 to 7.
5.2.3 ISODEC 8802-2
The implcmcntation shall:
a) support the functions required by ISO/IEC 8802-2 for the support of the Logical Link Control Class
.
II
9
b) in order to achieve intercommunication, agree the values of Nl and the Ack Timer on a LAN-wide
basis;
Timer value of 5 *l and it is recommended that the Ack Timer should be
support an Ack seconds.
Cl
configurable.
53 . Dynamic conformance requirements
5.3
...

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