1、Information technology Future Network Problem statement and requirements Part 8: Quality of Service PD ISO/IEC TR 29181-8:2017 BSI Standards Publication WB11885_BSI_StandardCovs_2013_AW.indd 1 15/05/2013 15:06 ISO 2017 Information technology Future Network Problem statement and requirements Part 8:
2、Quality of Service Technologies de linformation Rseaux du futur nonc du problme et exigences Partie 8: Qualit de service First edition 2017-04 Reference number ISO/TR 29181-8:2017(E) TECHNICAL REPORT ISO/TR 29181-8 National foreword This Published Document is the UK implementation of ISO/IEC TR 2918
3、1-8:2017. The UK participation in its preparation was entrusted to Technical Committee IST/6, Data communications. A list of organizations represented on this committee can be obtained on request to its secretary. This publication does not purport to include all the necessary provisions of a contrac
4、t. Users are responsible for its correct application. The British Standards Institution 2017 Published by BSI Standards Limited 2017 ISBN 978 0 580 90827 9 ICS 35.100.30Compliance with a British Standard cannot confer immunity from legal obligations. This Published Document was published under the a
5、uthority of the Standards Policy and Strategy Committee on 30 September 2017. Amendments/corrigenda issued since publication Date Text affected PUBLISHED DOCUMENT PD ISO/IEC TR 29181-8:2017 ISO 2017 Information technology Future Network Problem statement and requirements Part 8: Quality of Service T
6、echnologies de linformation Rseaux du futur nonc du problme et exigences Partie 8: Qualit de service First edition 2017-04 Reference number ISO/TR 29181-8:2017(E) TECHNICAL REPORT ISO/TR 29181-8 PD ISO/IEC TR 29181-8:2017 ii ISO/IEC 2017 All rights reserved COPYRIGHT PROTECTED DOCUMENT ISO/IEC 2017,
7、 Published in Switzerland All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior written permission. P
8、ermission can be requested from either ISO at the address below or ISOs member body in the country of the requester. ISO copyright office Ch. de Blandonnet 8 CP 401 CH-1214 Vernier, Geneva, Switzerland Tel. +41 22 749 01 11 Fax +41 22 749 09 47 copyrightiso.org www.iso.org ISO/TR 29181-8:2017(E) PD
9、ISO/IEC TR 29181-8:2017 ii ISO/IEC 2017 All rights reserved COPYRIGHT PROTECTED DOCUMENT ISO/IEC 2017, Published in Switzerland All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical,
10、including photocopying, or posting on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below or ISOs member body in the country of the requester. ISO copyright office Ch. de Blandonnet 8 CP 401 CH-1214 Vernier, Geneva, Switzerl
11、and Tel. +41 22 749 01 11 Fax +41 22 749 09 47 copyrightiso.org www.iso.org ISO/TR 29181-8:2017(E)ISO/TR 29181-8:2017(E)Foreword iv Introduction v 1 Scope . 1 2 Normative references 1 3 T erms and definitions . 1 4 Abbreviated terms 2 5 General 2 5.1 QoS in Future Network (FN) . 2 5.2 Related works
12、on QoS . 3 5.2.1 ISO/IEC JTC1 3 5.2.2 European Telecommunication Standards Institute (ETSI) . 3 5.2.3 Internet Engineering Task Force (IETF) 3 5.2.4 Internet 2 3 5.2.5 Telecommunication Standardization Sector of International Telecommunications Union (ITU-T) 4 5.3 Prospect of QoS architecture in FN
13、4 6 Problem statement of current networks for QoS . 4 6.1 QoS in current networks . 4 6.1.1 IPv4/IPv6 network 4 6.1.2 Next Generation Network (NGN) . 5 6.1.3 WLAN . 6 6.1.4 Wireless metropolitan area network (WMAN) . 7 6.1.5 Mobile access networks . 7 6.2 Summary of QoS problems in current networks
14、. 8 6.2.1 General 8 6.2.2 Lack of flexible mechanism supporting new applications . 9 6.2.3 Lack of aggregate RSVP mechanism for business with same QoS requirements . 9 6.2.4 Lack of network self-adaptability 10 6.2.5 Lack of connection-oriented characteristics 10 6.2.6 Lack of fundamental effectiven
15、ess 10 6.2.7 Lack of standards for QoS mechanism between heterogeneous networks .10 6.2.8 Lack of consideration from user perspective .10 6.2.9 Poor controllability .10 6.2.10 Human factors .10 6.2.11 Lack of effective congestion management 10 7 Requirements of FNQoS .11 7.1 Cross-layer and global .
16、11 7.2 Customizable user service .11 7.3 Scalability and flexibility .11 7.4 Self-adjustment11 7.5 Focusing on mobility .11 7.6 FNQoS service composition 11 7.7 Grade and classification of services .11 7.8 Quality of Experience .12 7.9 Quality of Protection .12 7.10 Connection-mode network service 1
17、2 7.11 FNQoS control technology12 7.12 Effective congestion control mechanisms 12 Annex A (informative) Examples of technical issues for QoS realization in FN 13 Bibliography .14 ISO/IEC 2017 All rights reserved iii Contents Page PD ISO/IEC TR 29181-8:2017 ISO/TR 29181-8:2017(E) Foreword ISO (the In
18、ternational Organization for Standardization) and IEC (the International Electrotechnical Commission) form the specialized system for worldwide standardization. National bodies that are members of ISO or IEC participate in the development of International Standards through technical committees estab
19、lished by the respective organization to deal with particular fields of technical activity. ISO and IEC technical committees collaborate in fields of mutual interest. Other international organizations, governmental and non-governmental, in liaison with ISO and IEC, also take part in the work. In the
20、 field of information technology, ISO and IEC have established a joint technical committee, ISO/IEC JTC 1. The procedures used to develop this document and those intended for its further maintenance are described in the ISO/IEC Directives, Part 1. In particular the different approval criteria needed
21、 for the different types of document should be noted. This document was drafted in accordance with the editorial rules of the ISO/IEC Directives, Part 2 (see www .iso .org/ directives). Attention is drawn to the possibility that some of the elements of this document may be the subject of patent righ
22、ts. ISO and IEC shall not be held responsible for identifying any or all such patent rights. Details of any patent rights identified during the development of the document will be in the Introduction and/or on the ISO list of patent declarations received (see www .iso .org/ patents). Any trade name
23、used in this document is information given for the convenience of users and does not constitute an endorsement. For an explanation on the voluntary nature of standards, the meaning of ISO specific terms and expressions related to conformity assessment, as well as information about ISOs adherence to
24、the World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT) see the following URL: www .iso .org/ iso/ foreword .html. This document was prepared by ISO/IEC JTC 1, Information technology, Subcommittee SC 6, Telecommunications and information exchange between systems. A lis
25、t of all parts in the ISO/IEC 29181 series, published under the general title Information technology Future network Problem statement and requirements, is available on the ISO website.iv ISO/IEC 2017 All rights reserved PD ISO/IEC TR 29181-8:2017 ISO/TR 29181-8:2017(E) Foreword ISO (the Internationa
26、l Organization for Standardization) and IEC (the International Electrotechnical Commission) form the specialized system for worldwide standardization. National bodies that are members of ISO or IEC participate in the development of International Standards through technical committees established by
27、the respective organization to deal with particular fields of technical activity. ISO and IEC technical committees collaborate in fields of mutual interest. Other international organizations, governmental and non-governmental, in liaison with ISO and IEC, also take part in the work. In the field of
28、information technology, ISO and IEC have established a joint technical committee, ISO/IEC JTC 1. The procedures used to develop this document and those intended for its further maintenance are described in the ISO/IEC Directives, Part 1. In particular the different approval criteria needed for the d
29、ifferent types of document should be noted. This document was drafted in accordance with the editorial rules of the ISO/IEC Directives, Part 2 (see www .iso .org/ directives). Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. ISO an
30、d IEC shall not be held responsible for identifying any or all such patent rights. Details of any patent rights identified during the development of the document will be in the Introduction and/or on the ISO list of patent declarations received (see www .iso .org/ patents). Any trade name used in th
31、is document is information given for the convenience of users and does not constitute an endorsement. For an explanation on the voluntary nature of standards, the meaning of ISO specific terms and expressions related to conformity assessment, as well as information about ISOs adherence to the World
32、Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT) see the following URL: www .iso .org/ iso/ foreword .html. This document was prepared by ISO/IEC JTC 1, Information technology, Subcommittee SC 6, Telecommunications and information exchange between systems. A list of all p
33、arts in the ISO/IEC 29181 series, published under the general title Information technology Future network Problem statement and requirements, is available on the ISO website.iv ISO/IEC 2017 All rights reserved ISO/TR 29181-8:2017(E) Introduction ISO/IEC/TR 29181-1 describes the definition, general c
34、oncept, problems and requirements for the Future Network (FN). The other parts of ISO/IEC 29181 provide details of various components of the specific technology areas. This document examines the problems of the Quality of Service (QoS) issues of current networks, and describes the requirements in Fu
35、ture Network QoS architecture and functionality perspectives. It also gives some examples of technical issues for QoS realization in Future Network (see Annex A). ISO/IEC 2017 All rights reserved v PD ISO/IEC TR 29181-8:2017 Information technology Future Network Problem statement and requirements Pa
36、rt 8: Quality of Service 1 Scope This document describes the problem statements of current networks and the requirements for Future Network (FN) in the Quality of Service (QoS) perspective. This document mainly specifies: problems of the current networks for QoS; requirements for QoS support in Futu
37、re Network. 2 Normative references The following documents are referred to in the text in such a way that some or all of their content constitutes requirements of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced documen
38、t (including any amendments) applies. There are no normative references in this document. 3 T erms an d definiti ons For the purposes of this document, the following terms and definitions apply. ISO and IEC maintain terminological databases for use in standardization at the following addresses: IEC
39、Electropedia: available at h t t p :/ www .electropedia .org/ ISO Online browsing platform: available at h t t p :/ www .iso .org/ obp 3.1 Future Network Quality of Service FNQoS overall performance of a Future Network, including two aspects: QoS (Quality of Service) and QoE (Quality of Experience)
40、3.2 Future Network Proxy FNProxy entity, which replaces task submitter to execute particular assignments and shields them from implementation details and processes Note 1 to entry: FNProxy may contain sub-proxies. TECHNICAL REPORT ISO/TR 29181-8:2017(E) ISO/IEC 2017 All rights reserved 1 PD ISO/IEC
41、TR 29181-8:2017 Information technology Future Network Problem statement and requirements Part 8: Quality of Service 1 Scope This document describes the problem statements of current networks and the requirements for Future Network (FN) in the Quality of Service (QoS) perspective. This document mainl
42、y specifies: problems of the current networks for QoS; requirements for QoS support in Future Network. 2 Normative references The following documents are referred to in the text in such a way that some or all of their content constitutes requirements of this document. For dated references, only the
43、edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. There are no normative references in this document. 3 T erms an d definiti ons For the purposes of this document, the following terms and definitions apply. ISO and IEC ma
44、intain terminological databases for use in standardization at the following addresses: IEC Electropedia: available at h t t p :/ www .electropedia .org/ ISO Online browsing platform: available at h t t p :/ www .iso .org/ obp 3.1 Future Network Quality of Service FNQoS overall performance of a Futur
45、e Network, including two aspects: QoS (Quality of Service) and QoE (Quality of Experience) 3.2 Future Network Proxy FNProxy entity, which replaces task submitter to execute particular assignments and shields them from implementation details and processes Note 1 to entry: FNProxy may contain sub-prox
46、ies. TECHNICAL REPORT ISO/TR 29181-8:2017(E) ISO/IEC 2017 All rights reserved 1 ISO/TR 29181-8:2017(E) 4 Abbreviated terms 3G 3rd generation AF assured forwarding BE best-effort service CoS class of service CR-LDP constrain based routing- label distribution protocol Diff-serv differentiated service
47、EF expedited forwarding GoS grade of service HC hybrid coordinator Int-serv integrated service IP internet protocol IPTV internet protocol television IPv4 internet protocol version 4 IPv6 internet protocol version 6 LER label switching edge router LSP label switching path MAC media access control MP
48、LS multi-protocol label switching QoE quality of experience QoS quality of service TE traffic engineering VoIP voice over IP VPN virtual private network WCDMA wide band code division multiple access WLAN wireless local area network WMAN wireless metropolitan area network 5 General 5.1 QoS in Future
49、Network (FN) Distinguished from the traditional communication technology or information technology services, the services of the future are various. A large number of real-time applications are emerging. Multimedia applications such as video conference and IPTV have strict requirements to delay, jitter, bandwidth, and 2 ISO/IEC 2017 All rights reserved PD ISO/IEC TR 29181-8:2017 ISO/TR 29181-8:2017(E) so on. High speed mobile data services need service convenienc
