1、 Reference numberISO/IEC 8348:2002(E)ISO/IEC 2002 INTERNATIONAL STANDARD ISO/IEC8348Third edition2002-11-01Information technology Open Systems Interconnection Network service definition Technologies de linformation Interconnexion des systmes ouverts Dfinition du service de rseau ISO/IEC 8348:2002(E)
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6、equester.ISO copyright office Case postale 56 CH-1211 Geneva 20 Tel.+41 22 749 01 11 Fax +41 22 749 09 47 E-mail copyrightiso.org Web www.iso.org Published in Switzerland ii ISO/IEC 2002 All rights reserved ISO/IEC 8348:2002(E)ISO/IEC 2002 All rights reserved iii CONTENTS Page SECTION 1 GENERAL.1 1
7、Scope.1 2 Normative references.1 2.1 Identical Recommendations|International Standards.1 2.2 Additional references.2 3 Definitions.2 3.1 Basic reference model definitions.2 3.2 Service conventions definitions.3 3.3 Network Service definitions.3 3.4 Network addressing definitions.3 3.5 Network layer
8、architecture definitions.4 4 Abbreviations.4 5 Conventions.5 5.1 General conventions.5 5.2 Parameters.5 5.3 NC end-point identification convention.5 6 Overview and general characteristics.5 7 Types and classes of Network Service.6 SECTION 2 DEFINITION OF THE CONNECTION-MODE SERVICE.6 8 Features of t
9、he connection-mode Network Service.6 9 Model of the connection-mode Network Service.7 9.1 Model of the connection-mode Network Layer Service.7 9.2 Model of a Network Connection.7 10 Quality of the connection-mode Network Service.11 10.1 Determination of QOS.11 10.2 Definition of QOS-parameters.12 11
10、 Sequence of primitives.15 11.1 Relation of primitives at the two NC end-points.15 11.2 Sequence of primitives at one NC end-point.15 12 Connection establishment phase.18 12.1 Function.18 12.2 Types of primitives and parameters.18 12.3 Sequence of primitives.26 13 Connection release phase.26 13.1 Fu
11、nction.26 13.2 Types of primitive and parameters.27 13.3 Sequence of primitives when releasing an established NC.28 13.4 Sequence of primitives in an NS user rejection of an NC establishment attempt.29 13.5 Sequence of primitives in an NS provider rejection of an NC establishment attempt.29 14 Data
12、transfer phase.30 14.1 Data transfer.30 14.2 Receipt confirmation service.31 14.3 Expedited data transfer service.32 14.4 Reset service.33 SECTION 3 DEFINITION OF THE CONNECTIONLESS-MODE SERVICE.36 15 Features of the connectionless-mode Network Service.36 16 Model of the connectionless-mode Network
13、Service.36 16.1 Model of the connectionless-mode Network Layer Service.36 16.2 Model of a network connectionless-mode transmission.36 ISO/IEC 8348:2002(E)iv ISO/IEC 2002 All rights reserved Page 17 Quality of the connectionless-mode Network Service.38 17.1 Determination of QOS.38 17.2 Definition of
14、network connectionless-mode QOS-parameters.38 17.3 Route selection considerations.39 18 Sequence of primitives.40 19 Data transfer.40 19.1 Function.40 19.2 Types of primitives and parameters.41 19.3 Sequence of primitives.41 Annex A Network Layer Addressing.43 A.1 General.43 A.2 Scope.43 A.3 Concept
15、s and terminology.43 A.4 Principles for creating the OSI Network addressing scheme.46 A.5 Network address definition.47 A.6 Character based DSP allocation.54 A.7 Reference publication formats.55 A.8 Network entity titles.55 Annex B Rationales for the material in Annex A.56 B.1 IDI formats(see A.5.2.
16、1.2).56 B.2 Reservation of AFI values 00-F and FF(see Table A.1).57 B.3 Derivation of the preferred encodings(see A.5.3).57 Annex C Facilities for conveying service characteristics in the connectionless-mode Network Service.58 C.1 Introduction.58 C.2 Function.58 C.3 Types of primitives and parameters.58 C.4 Service characteristics.59 C.5 Types of primitives and parameters.59 ISO/IEC 8348:2002(E)ISO/IEC 2002 All rights reserved v Foreword ISO(the International Organization for Standardization)and