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本文(ITU-T NGN PART 2-2005 NGN Focus Group Proceedings Part 2《下一代网络(NGN)焦点小组程序 第1部分》.pdf)为本站会员(花仙子)主动上传,麦多课文库仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对上载内容本身不做任何修改或编辑。 若此文所含内容侵犯了您的版权或隐私,请立即通知麦多课文库(发送邮件至master@mydoc123.com或直接QQ联系客服),我们立即给予删除!

ITU-T NGN PART 2-2005 NGN Focus Group Proceedings Part 2《下一代网络(NGN)焦点小组程序 第1部分》.pdf

1、Printed in SwitzerlandGeneva, 2005International Telecommunication UnionInternationalTelecommunicationUnionITU-T NGN FG Proceedings PartII 2005ITU-TNGN FGProceedingsPart IIGlobal Standards InitiativeNext Generation Network ITU-T2005International Telecommunication Union ITU-T NGN FG Proceedings Part I

2、I ITU 2005 All rights reserved. No part of this publication may be reproduced, by any means whatsoever, without the prior written permission of ITU. TABLE OF CONTENTS Part I Next Generation Networks Framework 1 ITU-T NGN Framework 2 Overview of FGNGN activities 3 Roadmap for future steps 4 Overview

3、of the Working Group activities and achievements 5 Further information on ITU-T, useful web links and tutorial and presentation material Annex A Structure and Management team of FGNGN Annex B FGNGN meetings (2004 2005) Annex C List of participating companies Annex D NGN Focus Group deliverables stat

4、us Annex E Useful links to ITU-T pages Annex F Study Group 13 report to TSAG in November 2005 on NGN activities and future working arrangements for NGN studies Annex G ITU-T NGN Industry event presentations Annex H TSB Circular 236 and Addendum 1 Annex I ITU-T Information Part II NGN Focus Group Del

5、iverables*NGN Focus Group deliverables status, as indicated by FGNGN at its 9th meeting, 14-17 November 2005 Section 1 Release Independent Deliverables Working Group 2 deliverables Functional architecture and mobility P 1.1 Framework for customer manageable IP network D 1.2 Terms, definitions and hi

6、gh level terminological framework for NGN Working Group 3 deliverables Quality of Service D 1.3 General Aspects of Quality of Service and Network Performance in the NGN A 1.4 Network performance of non-homogeneous networks in NGN _ *Legend P Already passed to ITU-T Study Group 13; one already publis

7、hed as Q.Supplement 51 A Sufficiently mature to be considered by ITU-T Study Group 13 for publication S Mature but would require further consideration in ITU-T Study Group 13 D Not yet mature, requires discussion and technical input to complete development Section 2 Release 1 Deliverables Working Gr

8、oup 1 deliverables Service Requirements A 2.1 NGN Release 1 scope A 2.2 NGN Release 1 requirements Working Group 2 deliverables Functional Architecture and mobility A 2.3 Functional Requirements and Architecture of the NGN A 2.4 Mobility management capability requirements for NGN A 2.5 IMS for Next

9、Generation Networks A 2.6 PSTN/ISDN emulation architecture Working Group 3 deliverables Quality of Service P 2.7 A QoS control architecture for Ethernet-based IP access network S 2.8 Multi service provider NNI for IP QoS D 2.9 Requirements and framework for end-to-end QoS in NGN D 2.10 The QoS Archi

10、tecture for the Ethernet Network D 2.11 Functional requirements and architecture for resource and admission control in NGN D 2.12 A QoS framework for IP-based access networks A 2.13 Performance measurement and management for NGN P 2.14 Algorithms for achieving end to end performance objectives Worki

11、ng Group 4 deliverables Control and Signalling Capability P 2.15 Signalling requirements for IP QoS (published as ITU-T Q-series Supplement 51) Working Group 5 deliverables Security Capability A 2.16 Security requirements for NGN Release 1 D 2.17 Guidelines for NGN-security for Release 1 Working Gro

12、up 6 deliverables Evolution A 2.18 Evolution of networks to NGN A 2.19 PSTN/ISDN evolution to NGN A 2.20 PSTN/ISDN emulation and simulation Section 3 Beyond Release 1 Deliverables Working Group 2 deliverables Functional Architecture and mobility D 3.1 Softrouter requirements D 3.2 Converged services

13、 framework functional requirements and architecture Working Group 7 deliverables Future Packet-based Bearer Networks P 3.3 Problem statement A 3.4 FPBN requirements A 3.5 FPBN high-level architecture D 3.6 FPBN candidate technologies NGN Focus Group deliverables 1 NGN Focus Group deliverables status

14、 Status At its 9thmeeting in London, 14-17 November 2005, the Focus Group on NGN has provided a view on the status of the documents. Deliverables that are marked “P“ in the sixth column of tables 1, 2 or 3, have already been passed to ITU-T Study Group 13, and one has been published, as shown. The F

15、GNGN considers that the deliverables that have given the status “A“ have been developed to a sufficiently mature state, as technical reports, to be considered by ITU-T Study Group 13 for publication. The FGNGN considers that those deliverables that have gained the status of “S“ have reached a mature

16、 state but would require further consideration in Study Group 13 before publication. The FGNGN considers that all other deliverables shown as status “D“, are not yet mature, requiring discussion and technical input to complete their development. 2 NGN Focus Group deliverables ITU-T FGNGN deliverable

17、s as approved at the FGNGN Plenary meeting 17 November 2005 Table 1 List of Release Independent Deliverables WG Deliverable Title Current Draft TargetDate Cat. Stat Target SG* 2 Framework for Customer Manageable IP Network FGNGN-OD-00194 August2005 0/2/1 P 13 2 Terms, definitions and high level term

18、inological Framework for Next Generation Network (TR-TERM) FGNGN-OD-00261 4Q05 N/A D 13 D 3 General Aspects of Quality of Service and Network Performance in the Next Generation Networks (TR NGN.QoS) FGNGN-OD-00166 4Q05 0/1/1 D 13/12 3 Network performance of non-homogeneous networks in NGN (TR-NGN.NH

19、Nperf.) FGNGN-OD-00240 4Q05 0/1/1 A 13/12 Table 2 List of Release 1 Deliverables WG Deliverable Title Current Draft Target Date Cat. Stat Target SG* 1 NGN Release 1 Scope FGNGN-OD-00253 4Q05 1/1/1 A 13 1 NGN Release 1 requirements FGNGN-OD-00252 4Q05 1/1/1 A 13 2 Functional Requirements and Architec

20、ture of the NGN (FRA) FGNGN-OD-00244r2 4Q05 1/2/1 A 13 2 Mobility Management Capability Requirements for NGN (FRMOB) FGNGN-OD-00246r1 4Q05 1/2/1 A 13/19 2 IMS for Next Generation Networks (IFN) FGNGN-OD-00245r1 4Q05 1/2/1 A 13/19 2 PSTN/ISDN emulation architecture FGNGN-OD-00247r1 4Q05 1/2/1 A 13 3

21、A QoS control architecture for Ethernet-based IP access network (TF 123.qos) FGNGN-OD-00106 Mar. 2005 1/2/1 P 13 3 Multi Service Provider NNI for IP QoS (TR msnniqos) FGNGN-OD-00205 4Q05 1/2/1 S 13 3 Requirements and framework for end-to-end QoS in NGN (TR e2eqos.1) FGNGN-OD-00204 4Q05 1/2/1 D 13 3

22、The QoS Architecture for the Ethernet Network (TR enet) FGNGN-OD-00202 4Q05 1/2/2 D 13 3 Functional Requirements and Architecture for Resource and Admission Control in Next Generation Networks (TR racf) FGNGN-OD-00241 4Q05 1/2/2 D 13 3 A QoS Framework for IP-based access networks (TR ipaqos) FGNGN-O

23、D-00113 4Q05 1/2/1 D 13 3 Performance measurement and management for NGN (TR pmm) FGNGN-OD-00239r1 4Q05 1/2/1 A 12 NGN Focus Group deliverables 3 Table 2 List of Release 1 Deliverables WG Deliverable Title Current Draft Target Date Cat. Stat Target SG* 3 Algorithms for Achieving End to End Performan

24、ce Objectives (TR apo) (#=From the September 2005 FGNGN meeting, this deliverable has been transfereed (via parent SG13 ) to continue further work in SG12.) FGNGN-OD-00200 3Q05 1/2/2 P 12 4 Signalling requirements for IP QoS (TRQ.IP.QoS. SIG.CS1) Q Series Supplement 51 Dec. 2004 1/2/2 P 11 5 Securit

25、y Requirements for NGN Release 1 FGNGN-OD-00255 4Q05 1/2/1 A 13 5 Guidelines for NGN-Security for Release 1 FGNGN-OD-00254 4Q 05 TBD D 13 6 Evolution of Networks to NGN FGNGN-OD-00257 4Q05 1/2/1 A 13 6 PSTN/ISDN evolution to NGN FGNGN-OD-00258 4Q05 1/2/1 A 13 6 PSTN/ISDN emulation and simulation FGN

26、GN-OD-00259 4Q05 1/2/1 A 13 Table 3 List of beyond Release1 Deliverables WG Deliverable Title Current Draft TargetDate Cat. Stat Target SG* 2 Softrouter Requirements FGNGN-OD-00043 TBD 2/2/1 D 13 2 Converged Services Framework Functional Requirements and Architecture (TR-CSF) FGNGN-OD-00248r1 4Q05 2

27、/2/1 D 13 7 Problem Statement FGNGN-OD-00158 Apr. 2005 2/1/1 P 13 7 FPBN Requirements FGNGN-OD-00268 4Q05 2/1/1 A 13 7 FPBN Architecture FGNGN-OD-00269 4Q05 2/2/1 A 13 7 FPBN Candidate Technologies FGNGN-OD-00180 4Q05 2 D 13 4 NGN Focus Group deliverables Explanation of Table Columns The columns in

28、the table are explained in this section. WG: Working Group responsible for progressing the deliverable. Deliverable Title: Title of the deliverable. Current Draft: Output Document containing the draft text of the deliverable agreed to represent the deliverable by the Working Group. Target Date: This

29、 is the date that the working groups are using as a target for Focus Group approval. Category (Cat.): A tuple (x/y/z) indicating the intended release, stage and depth of the deliverable. The stage and depth description are taken from Recommendation I.310 with the deletion of “from a users perspectiv

30、e“ from the stage 1 definition and a simplification of the depth (step) indication. The categorisation is as follow: Release 0 Generic Document; Contains Information That Is Not Release Specific 1 Release 1 document; all of the contents is applicable to ITU-T NGN release 1; unless stated otherwise i

31、n the document it is expected that it will remain in force beyond release 1 2 Release 2 document; specifies additional capabilities and interfaces as part of ITU-T NGN release 2 3 etc. Stage and depth 1 overall service description /1 service prose definition and description /2 formal service descrip

32、tion using attributes and/or graphic means 2 overall description of the organisation of the network functions to map service requirements into network capabilities /1 derivation of a functional model /2 information flow diagrams and possibly further details e.g. SDL 3 definition of switching and sig

33、nalling/protocol capabilities needed to support services defined in stage 1. /- no further depth indicator *Target Study Group (SG): The Focus Groups expectation of the ITU-T Study Group that will take the deliverable and further progress the work to Recommendation or other ITU-T published Document.

34、 SECTION 1 RELEASE INDEPENDENT DELIVERABLES WORKING GROUP 2 DELIVERABLES FUNCTIONAL ARCHITECTURE AND MOBILITY 1.1 Framework for customer manageable IP network (Status P) 1.2 Terms, definitions and high level terminological framework for NGN (Status D) 1.1 Framework for Customer Manageable IP Network

35、 9 1.1 Framework for Customer Manageable IP Network*Summary Technical Report TR-CMIP specifies the framework for customer manageable IP network. Key words Customer, Manageability, Information Value Chain, Next General Network (NGN), Global Information Infrastructure (GII), protocol reference model.

36、Table of Contents Page Introduction 11 1 Scope 11 2 References 12 2.1 Normative References 12 2.2 Informative References. 12 3 Terms and Definitions 13 4 Abbreviations . 13 5 Service Definitions and Requirements for Customer Manageable IP Network. 14 5.1 Service Definitions . 14 5.2 Level of Managea

37、bility. 15 5.3 Service Requirements . 15 6 Reference Model of Customer Manageable IP Network . 17 6.1 Introduction. 17 6.2 Reference Architecture . 18 6.3 Capability Sets of Manageability 18 6.4 Trade-off Analysis of Capability Sets in Scalability, Complexity, and Provisioning Costs 20 _ *Status P:

38、This deliverable has already been passed to ITU-T Study Group 13. 10 Functional architecture and mobility Page 7 Functional Capabilities for Manageable IP Network. 20 7.1 Overview. 20 7.2 Naming and Addressing Capability 22 7.3 User Grouping and Application Clustering Capability. 22 7.4 End User/Ser

39、vice Registration and Identification Capability. 22 7.5 Information Navigation and Query Capability . 22 7.6 Auto-Discovery and Auto-Configuration Capability 23 7.7 Information Access Control and Security Capability . 23 7.8 End-to-End Transparency Capability . 23 7.9 Connection Configuration Capabi

40、lity. 24 7.10 Routing and Forwarding Control Capability 24 7.11 Alternative Path Selection and Multi-homing Capability. 25 7.12 Mobility Control and Management Capability. 25 7.13 Traffic Measurement and Usage Parameter Control Capability. 26 7.14 Bandwidth Assignment and SLA Negotiation Capability

41、26 7.15 End-to-End QoS Provisioning and Priority Assignment Capability. 27 7.16 Information Storage and Directory Processing Capability . 27 7.17 Segment OAM and End-to-End OAM Capability 27 7.18 Virtual Private Network Configuration Capability. 27 7.19 Billing and Charging Capability. 28 7.20 Clien

42、t/Server Management and Agent Management Capability 28 8 Service Procedures and Applications Scenarios 29 8.1 Manageable Personal Directory Services . 29 8.2 Manageable Access Control Services. 32 8.3 Manageable end-to-end QoS Services 35 8.4 End User Manageable Location Monitoring Services 38 8.5 M

43、anageable Home Networking Services . 41 8.6 Client Networking Services with QoS and Security. 43 9 Security Considerations . 45 Appendix I An example of functional architecture and service creation scenario for end user manageable VPN services 47 1.1 Framework for Customer Manageable IP Network 11 1

44、.1 Framework for Customer Manageable IP network Introduction This document contains the advanced IP network architecture especially in views of end-user functions for control and management. The future IP network is not just focused into the provider provisioned single network. It equally considers

45、the integrated environments of fixed/wireless network elements to accommodate computer systems, home peripherals and intelligent appliances. The future IP network may compromise of heterogeneous requirements of service quality and physical interface from network and computer and consumer equipments.

46、 A IP network guarantees real-time service quality and supports multimedia applications. It also provides bandwidth reservation and various service models for present and future business needs. A IP network has the following general features. Support business model for differentiated service concept

47、 Support usage-based billing and charging model Stable and secure with reliability performance of 99.999 % To support these features, the network operator provides network connectivity services to its end users. A service level agreement (SLA) is a formal definition of the contractual relationship b

48、etween service provider and its end user 14. It specifies what the end user wants and what the supplier commits to provide. It defines the level for the quality of services provided, setting performance objectives that the supplier must achieve. It also defines the procedure and the reports that mus

49、t be provided to track and ensure compliance with the SLA. In this service environment defined by a SLA, the IP network should be reliable and manageable. The end-to-end connectivity should meet the negotiated SLAs according to various application types and equipment types. The users may want to include their specific performance requirements in terms of bandwidth, delivery time, and loss performance for each application. But, some users may not want SLA like the existing Best Effort

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