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1、INTERNATIONAL STANDARDIZED PROFILE ISOIIEC ISP 10613-3 First edition 1994-05-I 5 Information technology - International Standardized Profile RA - Relaying the Connectionless-mode Network Service - Part 3: CSMA/CD LAN subnetwork-dependent, media-dependent requirements Technologies de /information - P
2、rofil normalisk international RA - Relais de service de rkeau en mode sans connexion - Partie 3: Prescriptions dhpendantes du milieu, ddpendantes du sous-rbseau CSMAKD LAN Reference number ISO/IEC ISP 10613-3:1994(E) Copyright International Organization for Standardization Provided by IHS under lice
3、nse with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/20/2007 07:19:55 MDTNo reproduction or networking permitted without license from IHS -,-,- ISO/IEC ISP 10613-3: 1994(E) Contents Page Foreword . Introduction . . . . 111 V 1 Scope . 1 2 Normative references 1 3 Definition
4、s . 2 4 Abbreviations . 2 5 Requirements 3 5.1 Static Conformance Requirements 3 5.2 Dynamic Conformance Requirements 5 Annex A ISPICS Requirements List (normative) 6 A.1 Introduction . 6 A.2 Notation and Conventions 6 A.3 IPRL for IS0 8473 6 A.4 IPRL for IS0 9542 6 A.5 IPRL for IS0 8802-2 . 7 A.6 I
5、PRL for ISO/IEC 8802-3 7 Annex B Assumed Base Standard PICS Proforma (normative) 8 B.l Introduction . 8 B.2 ISO/IEC 8802-3 8 Annex C Recommendations (informative) 10 C.l Introduction . 10 C.2 IS0 9542 Recommendations 10 0 ISO/IEC 1994 All rights reserved. Unless otherwise specified, no part of this
6、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 postale 56 l CH-1211 Geneve l Switzerland Printed in Switzerland ii Copyright Inter
7、national Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/20/2007 07:19:55 MDTNo reproduction or networking permitted without license from IHS -,-,- 0 ISO/IEC ISO/IEC ISP 10613-3: 1994(E) Foreword IS0 (the Intem
8、ationaI Organization for Standardization) and IEC (the International 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 establish
9、ed 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 fie
10、ld of information technology, IS0 and IEC have established a joint technical committee, ISO/IEC JTCl. In addition to developing International Standards, ISO/IEC JTCl has created a Special Group on Functional Standardization for the elaboration of International Standardized Profiles. An IntemationaI
11、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 a set of functions. Draft International Standardized Profiles are circulated to national bodies for vo
12、ting. 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 10613-3 was prepared with the collaboration of - Asia-Oceania Workshop (AOW); - European Workshop for Open Systems (EWOS
13、); - Open Systems Environment Implementors Workshop (OIW). ISO/IEC ISP 10613 consists of several parts, under the general title Information technology - International Standardized Profile RA - Relaying the Connectionless-mode Network Service: - Part 1: Subnetwork-independent requirements - Part 2: L
14、AN b) support the functions of the Media Access Control protocol defined in ISO/IEC 8802-3; cl meet the Physical layer requirements defined in ISO/IEC 8802-3, clause 7: Physical Signalling (PLS) and Attachment Unit Interface (AUI) Specification; 4 d if an AU1 cable is supplied, meet the requirements
15、 specified in clause 7 of ISO/IEC 8802-3; if repeaters are supplied, meet the requirements specified in clause 9 of ISO/IEC 8802-3. 5.1.5.2 Requirements for lOBASE The implementation shall: 4 if an MAU is supplied, meet the requirements specified in ISO/IEC 8802-3, subclauses 8.1, 8.2, 8.3, 8.5 and
16、8.7 - if an MAU is not supplied, then an externally accessible AU1 shall be supplied; b) if components of the media are supplied, meet the requirements specified in ISO/IEC 8802-3, subclauses 8.4, 8.5, 8.6 and 8.7. 5.1.5.3 Requirements for lOBASE The implementation shall: 4 if an MAU is supplied, me
17、et the requirements specified in ISO/IEC 8802-3, subclauses 10.1, 10.3, 10.4, 10.6 and 10.8 - if an MAU is not supplied, then an externally accessible AU1 shall be supplied; b) if components of the media are supplied, meet the requirements specified in ISO/IEC 8802-3, subclauses 10.5, 10.6, 10.7 and
18、 10.8. Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/20/2007 07:19:55 MDTNo reproduction or networking permitted without license from IHS -,-,- 0 ISO/IEC ISO/IEC ISP 10613-3:1994(E) 5.
19、2 Dynamic Conformance Requirements An implementation conforming to this part of ISO/IEC ISP 10613 shall carry out the supported ISO/IEC 8802-3 functions in accordance with the procedures specified in ISO/IEC 8802-3. It shall behave in accordance with the requirements of the ISPICS Requirements List
20、in annex A. Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/20/2007 07:19:55 MDTNo reproduction or networking permitted without license from IHS -,-,- ISO/IEC ISP 10613-3: 1994(E) 0 ISO/
21、IEC Annex A (normative) ISPICS Requirements List A.1 Introduction ISO/IEC TR lfKKKl-1 identifies three items to be included in an ISPICS Requirements List. These are: general options of the profile; list of base standards selected in the profile; constraints on the allowable answers in the PICS prof
22、orma of each such base standard. The first two items relate to the profile as a whole, and so are included only in those parts of ISO/IEC ISP 10613 which are specific to individual profiles. But each part of ISO/IEC ISP 10613 contains the identification of those PICS proforma constraints which are w
23、ithin its scope. ISO/IEC TR 10000-l indicates that an ISPICS proforma may consist either of a simple list of constraints or of amended copies of the base PICS proforma. In this part of ISO/IEC ISP 10613 the former method is used. A.2 Notation and Conventions The notation and conventions used in this
24、 IPRL are the same as those defined for the IPRL in annex A of ISO/lEC ISP 10613-l. A.3 IPRL for IS0 8473 Since the base standard does not itself have a PICS proforma, interim base standard PICS proforma information for an intermediate system is provided in annex B of ISO/IEC ISP 10613-l. When a sta
25、ndardized base standard PICS proforma is available, this part of ISO/IEC ISP 10613 will be revised to refer to it. This part of ISO/IEC ISP 10613 imposes the following constraints: IS0 8802-2 SNDCF Multilayer Dependencies: Base Item S802SSg-r Dependency Constraint :cstatus” are also used with the sa
26、me meaning as in subclause A.2.2 of ISO/IEC ISP 10613-l. B.2.3 Instructions for Completion The PICS proforma consists of a number of tables of labelled items, with information on the requirements applicable to each item (e.g. whether support is mandatory, what ranges of values are permitted, etc., a
27、s appropriate). Where necessary to clarify the meaning of an item, references to the relevant clauses of the base standard are given. Note that some items listed may be applicable in more than one context (for example, the requirements for support of a PDU field may differ according to whether the P
28、DU is transmitted or received). In this case, the requirements for each context are identified separately. The tables also contain columns in which the support for each item provided by the implementation is to be recorded. Again, where items cover more than one context, columns for recording suppor
29、t are provided for each context. These columns are to be completed as follows: 1) Copyright release for PICS proformas. Users of ISO/IEC ISP 10613 may freely reproduce the PICS proforma in this annex so that it can be used for its intended purpose and may further publish the completed PICS. 8 Copyri
30、ght International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/20/2007 07:19:55 MDTNo reproduction or networking permitted without license from IHS -,-,- 0 ISO/IEC ISO/IEC ISP 10613-3: 1994(E) a) In each col
31、umn headed “Support”, an indication is to be given of whether the item is support& or not by marking the answer: YES NO to mean it is supported to mean it is not supported b) Columns for supported values or ranges of values are to be completed by recording the values and ranges supported. cl Additio
32、nal information may be attached to the completed proforma to assist in interpretation of the PICS. This should take the form of a numbered list of items of information. Where there is such an item of additional information associated with a PICS proforma item, a reference to it should be included in
33、 the columns of the PICS proforma in which support of the item is recorded. This reference should be of the form “An”, where “n” is the number of the item of additional information referenced. d) If for some reason the requirements indicated in the PICS proforma are not met by the implementation (e.
34、g. if a mandatory capability is not implemented), an explanation should be given. Such explanations should be in the form of a numbered list attached to the completed PICS proforma, and referenced from the relevant item in a manner similar to that described above for additional information, but usin
35、g the notation “Xn” instead of “An”. e) For administrative purposes, a cover page is to be attached to the completed PICS proforma identifying the implementaton and the system in which it resides, the supplier of the system, information on whom to contact if there are any queries concerning the cont
36、ent of the PICS, and the relationship of the PICS to the System Conformance Statement for the system. B.2.4 Functions and Interfaces Item Function Reference Status Support lOBASE lOBASE MAUs AUIa lOBASE 8 0 YES 0 NO0 lOBASE 10 0 YES0 NO 0 Is an MAU supplied? 8, 10 0 YES 0 NO0 Is an AU1 externally ac
37、cessi- 7 0 YES 0 NO0 ble? 9 Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/20/2007 07:19:55 MDTNo reproduction or networking permitted without license from IHS -,-,- ISO/IEC ISP 10613-3
38、: 1994(E) 0 ISO/lEC Annex C (informative) Recommendations c.1 Introduction The information in this annex is tutorial in nature. It does not constitute a normative section of this part of ISO/IEC ISP 10613. In the absence of specific applications making alternative bchaviour appropriate, it is recomm
39、ended that the features described in this annex are implemented. c.2 IS0 9542 Recommendations Since the LAN subnetworks already provide checksumming, to avoid unnecessary overhead, header checksum generation should not be used. 10 Copyright International Organization for Standardization Provided by
40、IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/20/2007 07:19:55 MDTNo reproduction or networking permitted without license from IHS -,-,- ISO/IEC ISP 10613-3:1994(E) Q ISO/IEC ICS 35.100.00 Descriptors: data processing, information interchange, network i
41、nterconnection, open systems interconnection, local area networks, data transmission, communication procedure, control procedures, network layer, profiles. Price based on 10 pages Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/20/2007 07:19:55 MDTNo reproduction or networking permitted without license from IHS -,-,-