1、 National Standard of CanadaCAN/CSA-ISO/IEC 16500-2:02(ISO/IEC 16500-2:1999)International Standard ISO/IEC 16500-2:1999 (first edition, 1999-12-15), has been adopted withoutmodification (IDT) as CSA Standard CAN/CSA-ISO/IEC 16500-2:02, which has been approved as a NationalStandard of Canada by the S
2、tandards Council of Canada.ISBN 1-55324-714-0 March 2002Information technology Generic digitalaudio-visual systems Part 2:System dynamics, scenarios and protocolrequirementsTechnologies de linformation Systmes audiovisuels numriquesgnriques Partie 2: Dynamique, scnarios et exigences de protocole des
3、 systmesReference numberISO/IEC 16500-2:1999(E) ISO/IEC 1999The Canadian Standards Association (CSA), The Standards Council of Canada is theunder whose auspices this National Standard has been coordinating body of the National Standards system, produced, was chartered in 1919 and accredited by a fed
4、eration of independent, autonomousthe Standards Council of Canada to the National organizations working towards the furtherStandards system in 1973. It is a not-for-profit, development and improvement of voluntarynonstatutory, voluntary membership association standardization in the national interest
5、.engaged in standards development and certification The principal objects of the Council are to foster activities. and promote voluntary standardization as a means CSA standards reflect a national consensus of of advancing the national economy, benefiting theproducers and users including manufacture
6、rs, health, safety, and welfare of the public, assisting consumers, retailers, unions and professional and protecting the consumer, facilitating domestic organizations, and governmental agencies. The and international trade, and furthering internationalstandards are used widely by industry and comme
7、rce cooperation in the field of standards.and often adopted by municipal, provincial, and A National Standard of Canada is a standard whichfederal governments in their regulations, particularly in has been approved by the Standards Council ofthe fields of health, safety, building and construction, C
8、anada and one which reflects a reasonableand the environment. agreement among the views of a number of capableIndividuals, companies, and associations across individuals whose collective interests provide to theCanada indicate their support for CSAs standards greatest practicable extent a balance of
9、development by volunteering their time and skills to representation of producers, users, consumers, andCSA Committee work and supporting the Associations others with relevant interests, as may be appropriateobjectives through sustaining memberships. The more to the subject in hand. It normally is a
10、standardthan 7000 committee volunteers and the 2000 which is capable of making a significant and timelysustaining memberships together form CSAs total contribution to the national interest.membership from which its Directors are chosen. Approval of a standard as a National Standard ofSustaining memb
11、erships represent a major source of Canada indicates that a standard conforms to theincome for CSAs standards development activities. criteria and procedures established by the StandardsThe Association offers certification and testing Council of Canada. Approval does not refer to theservices in supp
12、ort of and as an extension to its technical content of the standard; this remains thestandards development activities. To ensure the continuing responsibility of the accreditedintegrity of its certification process, the Association standards-development organization.regularly and continually audits
13、and inspects products Those who have a need to apply standards arethat bear the CSA Mark. encouraged to use National Standards of CanadaIn addition to its head office and laboratory complex whenever practicable. These standards are subject in Toronto, CSA has regional branch offices in major to peri
14、odic review; therefore, users are cautioned centres across Canada and inspection and testing to obtain the latest edition from the organizationagencies in eight countries. Since 1919, the preparing the standard.Association has developed the necessary expertise to The responsibility for approving Nat
15、ional Standards meet its corporate mission: CSA is an independent of Canada rests with theservice organization whose mission is to provide an Standards Council of Canadaopen and effective forum for activities facilitating the 270 Albert Street, Suite 200exchange of goods and services through the use
16、 of Ottawa, Ontario, K1P 6N7standards, certification and related services to meet Canadanational and international needs.For further information on CSA services, write toCanadian Standards Association178 Rexdale BoulevardToronto, Ontario, M9W 1R3CanadaAlthough the intended primary application of thi
17、s Standard is stated in its Scope, it is importantto note that it remains the responsibility of the users to judge its suitability for their particular purpose.Registered trade-mark of Canadian Standards AssociationInformation technology Generic digital audio-visual systems CAN/CSA-ISO/IEC 16500-2:0
18、2 Part 2: System dynamics, scenarios and protocol requirementsMarch 2002 Canadian Standards Association CSA/1CAN/CSA-ISO/IEC 16500-2:02Information technology Genericdigital audio-visual systems Part 2: System dynamics, scenariosand protocol requirementsCSA PrefaceStandards development within the Inf
19、ormation Technology sector is harmonized with international standardsdevelopment. Through the CSA Technical Committee on Information Technology (TCIT), Canadians serve asthe Canadian Advisory Committee (CAC) on ISO/IEC Joint Technical Committee 1 on Information Technology(ISO/IEC JTC1) for the Stand
20、ards Council of Canada (SCC), the ISO member body for Canada and sponsor ofthe Canadian National Committee of the IEC. Also, as a member of the International TelecommunicationUnion (ITU), Canada participates in the International Telegraph and Telephone Consultative Committee(ITU-T).This Internationa
21、l Standard was reviewed by the CSA TCIT under the jurisdiction of the Strategic SteeringCommittee on Information Technology and deemed acceptable for use in Canada. (A committee membershiplist is available on request from the CSA Project Manager.) From time to time, ISO/IEC may publish addenda,corri
22、genda, etc. The CSA TCIT will review these documents for approval and publication. For a listing, refer tothe CSA Information Products catalogue or CSA Info Update or contact a CSA Sales representative. ThisStandard has been formally approved, without modification, by these Committees and has been a
23、pproved as aNational Standard of Canada by the Standards Council of Canada.March 2002 Canadian Standards Association 2002All rights reserved. No part of this publication may be reproduced in any form whatsoever without the prior permission of thepublisher. ISO/IEC material is reprinted with permissi
24、on. Where the words “this International Standard” appear in the text, theyshould be interpreted as “this National Standard of Canada”. Inquiries regarding this National Standard of Canada should be addressed to Canadian Standards Association 178 Rexdale Boulevard, Toronto, Ontario, Canada M9W 1R31-8
25、00-463-6727 416-747-4044www.csa.caReference numberISO/IEC 16500-2:1999(E)ISO/IEC 1999INTERNATIONALSTANDARDISO/IEC16500-2First edition1999-12-15Information technology Generic digitalaudio-visual systems Part 2:System dynamics, scenarios and protocolrequirementsTechnologies de linformation Systmes aud
26、iovisuels numriquesgnriques Partie 2: Dynamique, scnarios et exigences de protocole des systmesISO/IEC 16500-2:1999(E)PDF disclaimerThis PDF file may contain embedded typefaces. In accordance with Adobes licensing policy, this file may be printed or viewed but shall notbe edited unless the typefaces
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29、at a problem relating to it is found, please inform the Central Secretariat at the address given below. ISO/IEC 1999All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronicor mechanical, including photocopying
30、and microfilm, without permission in writing from either ISO at the address below or ISOs member bodyin the country of the requester.ISO copyright officeCase postale 56 Gb7 CH-1211 Geneva 20Tel. + 41 22 749 01 11Fax + 41 22 734 10 79E-mail copyrightiso.chWeb www.iso.chii ISO/IEC 1999 All rights rese
31、rvedISO/IEC 16500-2:1999(E) ISO/IEC All rights reserved DAVIC 1.3.1a Part 12 (1999) iiiContents PageForeword . vIntroduction . vi1 Scope . 12 Normative references 13 Definitions 14 Acronyms and abbreviations 15 Conventions 26 Requirements for DAVIC Systems 27 Implementation Procedure. 28 Instance De
32、velopment Tool 29 DAVIC System Dynamic Modeling (DSDM) and Required Protocols 39.1 General39.1.1 DAVIC System Dynamic Modeling39.1.2 Protocols Required for System Operation .49.2 DSDM for VoD 49.2.1 Functional Entities Used in Dynamic Modeling for VoD .49.2.2 Alternative DAVIC Physical Scenarios for
33、 the VoD Control Functional Entities 59.2.3 System Dynamic Flows for VoD.79.2.4 Functional Entity Actions for VoD169.2.5 DAVIC Dynamic Flow Parameters for VoD.229.2.6 Specification of the Usage of DAVIC Protocol Tools for VoD 459.2.7 Protocol Network Architectures for DAVIC VoD 459.2.8 Rationale for
34、 the Physical Scenarios for VoD .469.2.9 Notes on Download Protocols for VoD.469.2.10 Cross-Reference to DAVIC Tool Definitions for VoD .519.2.11 Association Between Interfaces and Network Resources for VoD529.2.12 Rationale behind the selection of the DAVIC VoD dynamic systems behavior559.3 DSDM fo
35、r SVB (Switched Video Broadcast)579.3.1 Overview .579.3.2 Functional Entities Used in Dynamic Modeling for SVB .579.3.3 System Dynamic Flows for SVB.599.3.4 Functional Entity Actions for DAVIC SVB 629.3.5 Dynamic Flow Parameters for SVB 639.4 DSDM for Interactive Broadcast (PSTN/ISDN Return Channel)
36、699.4.1 Overview and Description of System Behavior.699.4.2 Protocol Network Architecture for Interactive Broadcast .729.4.3 DAVIC System Dynamic Flows for Interactive Broadcast .759.4.4 Functional Entity Actions for Interactive Broadcast76ISO/IEC 16500-2:1999(E)DAVIC 1.3.1a Part 12 (1999) ISO/IEC A
37、ll rights reservediv9.5 DAVIC Architecture and DSDM for Internet Access789.5.1 Overview .789.5.2 Direct Internet Scenario 1a 899.5.3 Direct Internet Scenario 1b 939.5.4 Direct Internet Scenario 2a 1029.5.5 Direct Internet Scenario 2b 1119.5.6 Internet Access Scenarios 3a and 3b1139.5.7 Internet Acce
38、ss Scenario 4.1219.5.8 Specification of the DAVIC Protocol Tools for Internet Access.1319.5.9 PPP Access with Broadband Broadcast and S3 Capability1339.5.10 Authentication and Configuration Methods for Internet Access1409.5.11 DAVIC server DHCP Relay Operation for Internet Access1429.5.12 DHCP Optio
39、ns for Internet Access1539.5.13 DAVIC Defined Resource Descriptors for Internet Access.15910 Configuration. 16010.1 General .16010.2 STU Configuration (Boot)16110.3 Service Provider System Configuration.16210.4 Download .16310.4.1 General.16310.4.2 The Download service: 16410.4.3 Download System Dyn
40、amic Flows16410.4.4 Download initiated at session setup:16410.4.5 Download initiated during active session: .166ISO/IEC 16500-2:1999(E) ISO/IEC All rights reserved DAVIC 1.3.1a Part 12 (1999) vForewordISO (the International Organization for Standardization) and IEC (the International Electrotechnica
41、l Commission)form the specialized system for worldwide standardization. National bodies that are members of ISO or IECparticipate in the development of International Standards through technical committees established by therespective organization to deal with particular fields of technical activity.
42、 ISO and IEC technical committeescollaborate in fields of mutual interest. Other international organizations, governmental and non-governmental, inliaison with ISO and IEC, also take part in the work.International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Pa
43、rt 3.In the field of information technology, ISO and IEC have established a joint technical committee, ISO/IEC JTC 1.Draft International Standards adopted by the joint technical committee are circulated to national bodies for voting.Publication as an International Standard requires approval by at le
44、ast 75 % of the national bodies casting a vote.Attention is drawn to the possibility that some of the elements of this part of ISO/IEC 16500 may be the subject ofpatent rights. ISO and IEC shall not be held responsible for identifying any or all such patent rights.International Standard ISO/IEC 1650
45、0-2 was prepared by DAVIC (Digital Audio-Visual Council) and was adopted,under the PAS procedure, by Joint Technical Committee ISO/IEC JTC 1, Information technology, in parallel with itsapproval by national bodies of ISO and IEC.ISO/IEC 16500 consists of the following parts, under the general title
46、Information technology Generic digitalaudio-visual systems:Gbe Part 1: System reference models and scenariosGbe Part 2: System dynamics, scenarios and protocol requirementsGbe Part 3: Contours: Technology domainGbe Part 4: Lower-layer protocols and physical interfacesGbe Part 5: High and mid-layer p
47、rotocolsGbe Part 6: Information representationGbe Part 7: Basic security toolsGbe Part 8: Management architecture and protocolsGbe Part 9: Usage information protocolsISO/IEC 16500-2:1999(E)DAVIC 1.3.1a Part 12 (1999) ISO/IEC All rights reservedviIntroductionISO/IEC 16500 defines the minimum tools an
48、d dynamic behavior required by digital audio-visual systems forend-to-end interoperability across countries, applications and services. To achieve this interoperability, it definesthe technologies and information flows to be used within and between the major components of generic digitalaudio-visual
49、 systems. Interoperability between these components and between individual sub-systems is assuredthrough specification of tools and specification of dynamic systems behavior at defined reference points. Areference point can comprise one or more logical (non-physical) information-transfer interfaces, and one or morephysical signal-transfer interfaces. A logical interface is defined by a set of information flows and associatedprotocol stacks. A physica
