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ETSI TS 103 238-2-2015 Integrated broadband cable telecommunication networks (CABLE) Testing Conformance test specifications for NAT64 technology Part 2 Test Suite Structure and Te_1.pdf

1、 ETSI TS 103 238-2 V1.1.1 (2015-01) Integrated broadband cable telecommunication networks (CABLE); Testing; Conformance test specifications for NAT64 technology; Part 2: Test Suite Structure and Test Purposes (TSS Essential, or potentially Essential, IPRs notified to ETSI in respect of ETSI standard

2、s“, which is available from the ETSI Secretariat. Latest updates are available on the ETSI Web server (http:/ipr.etsi.org). Pursuant 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 referen

3、ced 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 document. Foreword This Technical Specification (TS) has been produced by ETSI Technical Committee Integrated broadband cable telecommunication networks (CABLE). The present d

4、ocument produced for the transition technologies accommodates an urgent need in the industry to define requirements that enable seemless transition of Cable Networks to IPv6. Considering the depletion of IPv4 addresses, transition to IPv6 is required in order to enable continued growth of the custom

5、er base connected to Cable Networks and ensure service continuity for existing and new customers. High-quality connectivity to all kinds of IP-based services and networks is essential in todays business and private life. A plethora of transition technologies have been proposed in IETF, other standar

6、dization organizations and by manufacturers of IP technology to allow coexistence of IPv4 and IPv6 hosts, access and core networks as well as services. Each of these technology options is specified, implemented and deployed in various forms and stages. The present document is based on the requiremen

7、ts of ETSI TS 101 569-1 1. The present document is part 2 of a multi-part deliverable covering the conformance test specification for NAT64 technology: Part 1: “Protocol Implementation Conformance Statement (PICS) proforma“; Part 2: “Test Suite Structure and Test Purposes (TSS Part 3: “Abstract Test

8、 Suite (ATS) and Protocol Implementation eXtra Information for Testing (PIXIT)“. Modal verbs terminology In the present document “shall“, “shall not“, “should“, “should not“, “may“, “may not“, “need“, “need not“, “will“, “will not“, “can“ and “cannot“ are to be interpreted as described in clause 3.2

9、 of the ETSI Drafting Rules (Verbal forms for the expression of provisions). “must“ and “must not“ are NOT allowed in ETSI deliverables except when used in direct citation. ETSI ETSI TS 103 238-2 V1.1.1 (2015-01)51 Scope The present document provides the Test Suite Structure and Test Purposes (TSS C

10、able Network Transition to IPv6 Part 1: IPv6 Transition Requirements“. 2.2 Informative references References are either specific (identified by date of publication and/or edition number or version number) or non-specific. For specific references, only the cited version applies. For non-specific refe

11、rences, the latest version of the reference document (including any amendments) applies. 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 not necessary for the application

12、of the present document but they assist the user with regard to a particular subject area. i.1 ISO/IEC 9646-1 (1994): “Information technology - Open Systems Interconnection - Conformance testing methodology and framework - Part 1: General concepts“. i.2 ISO/IEC 9646-2 (1994): “Information technology

13、 - Open Systems Interconnection - Conformance testing methodology and framework - Part 2: Abstract Test Suite specification“. i.3 ETSI ETS 300 406 (1995): “Methods for testing and Specification (MTS); Protocol and profile conformance testing specifications; Standardization methodology“. 3 Abbreviati

14、ons For the purposes of the present document, the following abbreviations apply: ALG Application Layer Gateway ATS Abstract Test Suite B4 (NAT64) Basic Bridging BroadBand element ETSI ETSI TS 103 238-2 V1.1.1 (2015-01)6CPE Customer Premises Equipment DF Do not Fragment flag (in IPv4 header) FTP File

15、 Transfer Protocol GRT Global Routing Table GW GateWay HTML HyperText Markup Language ICMP Internet Control Message Protocol IP Internet Protocol IPv4 IP version 4 IPv6 IP version 6 IUT Implementation Under Test LSN Large Scale NAT MSS (TCP) Maximum Segment Size MTS Methods for Testing and Specifica

16、tion MTU Maximum Transmission Unit NAT Network Address Translation/Network Address Translator NPU Network Processing Unit PICS Protocol Implementation Conformance Statement PPTP Point to Point Tunelling Protocol RTSP Real Time Streaming Protocol SIP Session Initiation Protocol TC Test Case TCP Trans

17、mission Control Protocol TP Test purpose VRF Virtual Routing and Forwarding 4 Test Suite Structure The identifier of the TP is built according to table 1 as recommended in the MTS methodologies. Table 1: TP naming convention 5 Test Purposes Proposes a TP proforma which is used in the present documen

18、t. The fields of this proforma as used in the present document are explained in table 2. TP/ = root NAT64 Mapping of Address and Port Encapsulation Mode = group LSN Large Scale NAT = sub-group BF Basic Function NP NAT Pools AW Address Withdrawal FRAG Fragmentation MSSC Maximum Segment Size Clamping

19、SPR Static Port Reservation NT NAT Timers ALG Application Layer Gateways RT Routing Tables AA Anycast Addressing RED Redundancy LB Load-balancing FE Failure Events = type of testing BV Valid Behaviour tests = sequential number 01 to 99 NOTE: A sub-group may not apply for all groups. ETSI ETSI TS 103

20、 238-2 V1.1.1 (2015-01)7Table 2: TP proforma field description TP Header TP ID The TP ID is a unique identifier according to the TP naming conventions in tables Test objective Short description of test purpose objective according to the requirements from the base standard. Reference The reference in

21、dicates the clauses of the reference standard specifications in which the conformance requirement is expressed. TP Behaviour Initial conditions (optional) The initial conditions define in which initial state the IUT has to be to apply the actual TP. In the corresponding “Test Case“ (TC), when the ex

22、ecution of the initial condition does not succeed, it leads to the assignment of an Inconclusive verdict. Expected behaviour (TP body) Definition of the events, which are parts of the TP objective, and the IUT are expected to perform in order to conform to the base specification. In the correspondin

23、g TC, “Pass“ or “Fail“ verdicts can be assigned there. 5.1 TPs for LSN 5.1.1 Basic Function TP Id TP/NAT64/LSN/BF/BV/01 Test objective Check that the IUT supports the functionality of NAT64 1:1 NAT mapping Reference 1:6.5.7.9 1:1 IP Mapping Initial conditions with the IUT being properly provisioned

24、and the interfaces are connected Cable Network Handbook“, June 2010. ETSI ES 201 488 (all parts) (V1.2.2): “Access and Terminals (AT); Data Over Cable Systems“. ETSI ES 202 488 (all parts) (V1.1.1): “Access and Terminals (AT); Second Generation Transmission Systems for Interactive Cable Television S

25、ervices - IP Cable Modems“. IETF RFC 4008: “Definitions of Managed Objects for Network Address Translators (NAT)“, March 2005. NOTE: Available at http:/tools.ietf.org/rfc/rfc4008.txt. IETF RFC 4087: “IP Tunnel MIB“, June 2005. NOTE: Available at http:/tools.ietf.org/rfc/rfc4087.txt. ETSI ETSI TS 103 238-2 V1.1.1 (2015-01)20History Document history V1.1.1 January 2015 Publication

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