ETSI TS 103 443-6-2016 Integrated broadband cable telecommunication networks (CABLE) IPv6 Transition Technology Engineering and Operational Aspects Part 6 6RD (V1 1 1)《综合宽带有线通信网络(C_1.pdf

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1、 ETSI TS 103 443-6 V1.1.1 (2016-08) Integrated broadband cable telecommunication networks (CABLE); IPv6 Transition Technology Engineering and Operational Aspects; Part 6: 6RD TECHNICAL SPECIFICATION ETSI ETSI TS 103 443-6 V1.1.1 (2016-08)2 Reference DTS/CABLE-00018-6 Keywords cable, HFC, IPv6 ETSI 6

2、50 Route des Lucioles F-06921 Sophia Antipolis Cedex - FRANCE Tel.: +33 4 92 94 42 00 Fax: +33 4 93 65 47 16 Siret N 348 623 562 00017 - NAF 742 C Association but non lucratif enregistre la Sous-Prfecture de Grasse (06) N 7803/88 Important notice The present document can be downloaded from: http:/ww

3、w.etsi.org/standards-search The present document may be made available in electronic versions and/or in print. The content of any electronic and/or print versions of the present document shall not be modified without the prior written authorization of ETSI. In case of any existing or perceived diffe

4、rence in contents between such versions and/or in print, the only prevailing document is the print of the Portable Document Format (PDF) version kept on a specific network drive within ETSI Secretariat. Users of the present document should be aware that the document may be subject to revision or cha

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6、taff.aspx Copyright Notification No part may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm except as authorized by written permission of ETSI. The content of the PDF version shall not be modified without the written authorizatio

7、n of ETSI. The copyright and the foregoing restriction extend to reproduction in all media. European Telecommunications Standards Institute 2016. All rights reserved. DECTTM, PLUGTESTSTM, UMTSTMand the ETSI logo are Trade Marks of ETSI registered for the benefit of its Members. 3GPPTM and LTE are Tr

8、ade Marks of ETSI registered for the benefit of its Members and of the 3GPP Organizational Partners. GSM and the GSM logo are Trade Marks registered and owned by the GSM Association. ETSI ETSI TS 103 443-6 V1.1.1 (2016-08)3 Contents Intellectual Property Rights 4g3Foreword . 4g3Modal verbs terminolo

9、gy 4g3Introduction 4g31 Scope 6g32 References 6g32.1 Normative references . 6g32.2 Informative references 8g33 Definitions and abbreviations . 8g33.1 Definitions 8g33.2 Abbreviations . 8g34 General Considerations 10g34.1 Background 10g34.2 General Overview. 11g34.3 Vendor Considerations . 11g35 Gap

10、Analysis 12g35.1 Consideration . 12g35.2 Overview 12g36 Domain Functionality . 13g36.1 End to End Network Domains 13g36.2 CPE Home Network Domain . 13g36.3 Access Network Domain 14g36.4 Core Network Domain . 14g36.5 Data Centre Domain . 14g36.6 DMZ Service Domain 14g36.7 Transit and Peering Service

11、Domain 14g36.8 Management and Monitoring Domain . 15g36.9 Security Domain . 15g37 Technical Considerations . 15g37.1 Hardware 15g37.2 MTU and fragmentation . 15g37.3 Reliability . 16g37.4 Quality of Service . 16g38 LSN and CPE Requirements 16g38.1 General . 16g38.2 LSN 16g38.3 CPE 17g39 6RD Feature

12、Requirements 17g310 Network node Requirements 20g310.1 BR Network node Hardware Feature and Topology 20g310.2 Network node specific requirements 20g310.2.1 General considerations 20g310.2.2 Integrated topology requirements . 20g310.2.3 Hairpin topology requirements . 22g310.3 Scalability . 23g310.4

13、Performance . 23g3History 25g3ETSI ETSI TS 103 443-6 V1.1.1 (2016-08)4 Intellectual Property Rights IPRs essential or potentially essential to the present document may have been declared to ETSI. The information pertaining to these essential IPRs, if any, is publicly available for ETSI members and n

14、on-members, and can be found in ETSI SR 000 314: “Intellectual Property Rights (IPRs); Essential, or potentially Essential, IPRs notified to ETSI in respect of ETSI standards“, which is available from the ETSI Secretariat. Latest updates are available on the ETSI Web server (https:/ipr.etsi.org/). P

15、ursuant to the ETSI IPR Policy, no investigation, including IPR searches, has been carried out by ETSI. No guarantee can be given as to the existence of other IPRs not referenced in ETSI SR 000 314 (or the updates on the ETSI Web server) which are, or may be, or may become, essential to the present

16、document. Foreword This Technical Specification (TS) has been produced by ETSI Technical Committee Integrated broadband cable telecommunication networks (CABLE). The present document is part 6 of a multi-part deliverable. Full details of the entire series can be found in part 1 20. Modal verbs termi

17、nology In the present document “shall“, “shall not“, “should“, “should not“, “may“, “need not“, “will“, “will not“, “can“ and “cannot“ are to be interpreted as described in clause 3.2 of the ETSI Drafting Rules (Verbal forms for the expression of provisions). “must“ and “must not“ are NOT allowed in

18、 ETSI deliverables except when used in direct citation. Introduction Considering the depletion of IPv4 addresses, transition to IPv6 is required in order to enable continued growth of the customer base connected to cable networks and ensure service continuity for existing and new customers. High-qua

19、lity connectivity to all kinds of IP-based services and networks is essential in todays business and private life. The present document accommodates an urgent need in the industry to implement and integrate the IPv6 transition technologies as specified by ETSI TS 101 569-1 1 into their cable network

20、s. The choice of the technology implemented depends on factors such as the business needs, current deployed architectures and plans for cost effectively transition from IPv4 to IPv6. Current global IPv4 address space was projected to be depleted around the middle of 2012; depletion for the operator

21、was estimated around end 2012. As part of the resulting roll-out of IPv6 in the operators network, specific measures had to be taken to allow a smooth transition and coexistence between IPv4 and IPv6. ETSI developed requirements to address transition from IPv4 to IPv6 specifying six transition techn

22、ologies as given by ETSI TS 101 569-1 1 that were at the time considered to be the most appropriate to assist cable operators to transition there cable networks to IPv6. Since then the industry has acquired more experience with the technology options settling in the main for DS-Lite across the cable

23、 network market and NAT64 IPv6 transition technologies across the mobile market. The objective of the present document is to define the operational and engineering requirements to enable engineers to implement a seamless transition of the cable networks to IPv6 with the application of the 6RD transi

24、tion technology. The present document is the final part of a companion of ETSI standards developed in 4 phases to provide the cable sector in particular cable operators engineering and operational staff a standardized approach when integrating one of the five IPv6 transition technologies, NAT64, DS-

25、Lite, 464XLAT, 6RD and MAP-E. ETSI ETSI TS 103 443-6 V1.1.1 (2016-08)5 The first phase assessed the different IPv6 transition technology options being defined by industry with recommendation for the most appropriate with consideration of current network architectures, ensuring adequate scale and a c

26、ost effective transition approach from IPv4 to IPv6 as the IPv4 addresses deplete. The objective being to examine the pros and cons of the IPv6 transition technologies and recommend the most cost effective solution that would enable the cable operators to minimize the cost of upgrades to their exist

27、ing network plant whilst maintain continuity of services to their present and new added customers. The details of the study are given by ETSI TR 101 569 i.2. In the second phase an ETSI technical specification was developed to specify technical requirements for six transition technologies that indus

28、try were considering for use by Cable Operators depending on the current state of their deployed cable network architecture, service model requirements and their IPv6 transition strategy as the IPv4 addresses depleted. These six IPv6 transition technologies are specified by ETSI TS 101 569-1 1, cove

29、ring NAT64, DSLite, 6RD, NAT44, 464XLAT and MAP-E. In the third phase ETSI developed a series of conformance test specifications to enable the compliance verification of the five IPv6 transition technologies, NAT64, DS-Lite, 464XLAT, 6RD and MAP-E that were specified during phase 2 standardization.

30、The conformance tests are developed against the requirements given by the ETSI TS 101 569-1 1. The series of conformance tests developed for each of the four transition technologies, are as given by ETSI TS 103 238 parts 1 2 and to 3 4 respectively for NAT64; ETSI TS 103 239 parts 1 5 to 3 7 respect

31、ively for MAP-E; ETSI TS 103 241 parts 1 8 to 3 10 respectively for DS-Lite; ETSI TS 103 242 parts 1 11 to 3 13 respectively for XLAT and ETSI TS 103 243 parts 1 14 to 3 16 respectively for 6RD. Phase 4 is the present project phase for development of technical specifications covering the operational

32、 and engineering requirements with the present document being Part 6 of a multi-part series covering the IPv6 transition technology 6RD. DOCSISis a registered Trade Mark of Cable Television Laboratories, Inc., and is used in the present document with permission. ETSI ETSI TS 103 443-6 V1.1.1 (2016-0

33、8)6 1 Scope The present document presents the engineering and operational requirements for the application of the IPv6 transition technology 6RD as defined by ETSI TS 101 569-1 1 (IPv6 Transition Requirements) implemented within an integrated broadband cable network end to end across its network dom

34、ains. The present document is Part 6 of a multi-part series and presents the operational aspects of the IPv6 transition technology 6RD across the cable network domains. Only those elements of the network that have to be engineered to operate the IPv6 transition technology 6RD are presented. Descript

35、ions and interface details of network elements that do not change are already addressed by the relevant equipment cable standards and therefore this information is not included in the present document. The conformity of the 6RD implementation is relevant when assessing its implementation and operati

36、onal requirements across the cable network to ensure the implementation is correctly engineered to conform to the requirements of the base standard ETSI TS 101 569-1 1. These conformance tests are not specified in the present document as they are already specified by ETSI TS 103 243 parts 1 14 to 3

37、16. The operational aspects for the IPv6 transition technology 6RD are considered when engineered end to end across the cable network domains; CPE Home Networking Domain Access Network Domain Core Network Domain Data Centre Domain DMZ Service Domain Transit and Peering Domain Management and Monitori

38、ng Domain Security Domain The present document specifies the requirements to be considered when the defined IPv6 transition technology 6RD is engineered across the cable network domains. 2 References 2.1 Normative references References are either specific (identified by date of publication and/or ed

39、ition number or version number) or non-specific. For specific references, only the cited version applies. For non-specific references, the latest version of the referenced document (including any amendments) applies. Referenced documents which are not found to be publicly available in the expected l

40、ocation might be found at http:/docbox.etsi.org/Reference. NOTE: While any hyperlinks included in this clause were valid at the time of publication, ETSI cannot guarantee their long term validity. The following referenced documents are necessary for the application of the present document. 1 ETSI TS

41、 101 569-1: “Integrated Broadband Cable Telecommunication Networks (CABLE); Cable Network Transition to IPv6 Part 1: IPv6 Transition Requirements“. ETSI ETSI TS 103 443-6 V1.1.1 (2016-08)7 2 ETSI TS 103 238-1: “Integrated broadband cable telecommunication networks (CABLE); Testing; Conformance test

42、specifications for NAT64 technology; Part 1: Protocol Implementation Conformance Statement (PICS) proforma“. 3 ETSI TS 103 238-2: “Integrated broadband cable telecommunication networks (CABLE); Testing; Conformance test specifications for NAT64 technology; Part 2: Test Suite Structure and Test Purpo

43、ses (TSS Testing; Conformance test specifications for NAT64 technology; Part 3: Abstract Test Suite (ATS) and Protocol Implementation eXtra Information for Testing (PIXIT)“. 5 ETSI TS 103 239-1: “Integrated broadband cable telecommunication networks (CABLE); Testing; Conformance test specifications

44、for MAP-E technology; Part 1: Protocol Implementation Conformance Statement (PICS) proforma“. 6 ETSI TS 103 239-2: “Integrated broadband cable telecommunication networks (CABLE); Testing; Conformance test specifications for MAP-E technology; Part 2: Test Suite Structure and Test Purposes (TSS Testin

45、g; Conformance test specifications for MAP-E technology; Part 3: Abstract Test Suite (ATS) and Protocol Implementation eXtra Information for Testing (PIXIT)“. 8 ETSI TS 103 241-1: “Integrated broadband cable telecommunication networks (CABLE); Testing; Conformance test specifications for DS-Lite tec

46、hnology; Part 1: Protocol Implementation Conformance Statement (PICS) proforma“. 9 ETSI TS 103 241-2: “Integrated broadband cable telecommunication networks (CABLE); Testing; Conformance test specifications for DS-Lite technology; Part 2: Test Suite Structure and Test Purposes (TSS Testing; Conforma

47、nce test specifications for DS-Lite technology; Part 3: Abstract Test Suite (ATS) and Protocol Implementation eXtra Information for Testing (PIXIT)“. 11 ETSI TS 103 242-1: “Integrated broadband cable telecommunication networks (CABLE); Testing; Conformance test specifications for 464XLAT technology;

48、 Part 1: Protocol Implementation Conformance Statement (PICS) proforma“. 12 ETSI TS 103 242-2: “Integrated broadband cable telecommunication networks (CABLE) Testing; Conformance test specifications for 464XLAT technology; Part 2: Test Suite Structure and Test Purposes (TSS Testing; Conformance test

49、 specifications for 464XLAT technology; Part 3: Abstract Test Suite (ATS) and Protocol Implementation eXtra Information for Testing (PIXIT)“. 14 ETSI TS 103 243-1: “Integrated broadband cable telecommunication networks (CABLE); Testing; Conformance test specifications for 6rd technology; Part 1: Protocol Implementation Conformance Statement (PICS) proforma“. 15 ETSI TS 103 243-2: “Integrated broadband cable telecommunication networks (CABLE); Testing; Conformance test specifications for 6rd techn