1、ETSI TR 102 I36 1.1.1 (2003-05) Technical Repor Access and Terminals (AT); Analysis and scoping of IPCablecom interfaces and interactions for testing 2 ETSI TR 102 136 VI .I .I (2003-05) Reference DTRIAT-020037 Keywords access, broadband, cable, IP, IPCable, testing, TTCN, ETSI 650 Route des Luciole
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6、n Telecommunications Standards Institute 2003. All rights reserved. DECTTM, PLUGTESTSTMand UMTSTMare Trade Marks of ETSI registered for the benefit of its Members. TIPHONTM and the TIPHON logo are Trade Marks currently being registered by ETSI for the benefit of its Members. 3GPPTM is a Trade Mark o
7、f ETSI registered for the benefit of its Members and of the 3GPP Organizational Partners. ETSI 3 ETSI TR 102 136 VI . 1 . 1 (2003-05) Contents Intellectual Property Rights 5 Foreword . 5 1 Scope 6 2 References 6 3 Definitions and abbreviations . 7 . 7 3.1 . 8 3.2 4 Overview 10 4.1 General objectives
8、 10 4.2 Business objectives . 10 Analysis of the IPCablecom architecture . 11 5.1 Analysis of reference architectures for testing 11 5.2 Analysis of signalling interface-interactions . 13 6 Analysis of individual IPCablecom system elements 18 18 6.1 Structure and basis for analysis . 18 6.2 MTA/CM F
9、ramework . 18 6.2.1 General . . 6.2.2 Description of the M ) interfaces and functions 19 22 6.2.3 Interface interaction . 6.2.3.1 Interface-interactions for test consideration . 22 6.2.3.2 CM CMTS Interface-interactions . 23 23 . 23 6.3.2 TS interfaces and functions 23 Interface interaction . 25 26
10、26 6.4.2 De T interfaces and functions 26 Interface interaction . 28 6.4.3.1 Interface-interactions for test consideration . 28 6.5 CMS Framework . 30 6.5.1 General . 30 6.5.2 . 30 6.5.3 Interface Interactions . 32 7 Summary and guidance to development of Test Suite Structure and Test Purposes (TSS
11、Essential, orpotentially Essential, IPRs notlJied to ETSI in respect ofETSI standards“, which is available from the ETSI Secretariat. Latest updates are available on the ETSI Web server (5). All published ETSI deliverables shall include information which directs the reader to the above source of inf
12、ormation. Foreword This Technical Report (TR) has been produced by ETSI Technical Committee Access and Terminals (AT). ETSI 6 ETSI TR 102 136 VI .I .I (2003-05) 1 Scope The present document is the result of a study of the functional technical characteristics of the IPCablecom system based upon the c
13、urrent series of TS 101 909 specifications that cover Network Call-based Signalling (NCS), Internet Signalling Transport Protocol (ISTP), Trunking Gateway Control Protocol (TGCP) and Internet Protocol Access Terminal - Line Control Signalling (IPAT-LCS), it therefore specifically excludes implementa
14、tion based upon the Distributed Control Signalling (DCS) model and ITU-T Recommendation H.248 3 i options. Generally the present document does not cover: the Euro-DOCSIS protocol between CM and CMTS (AN); mechanisms that are used in the IP-cloud including but not limited to the IP-routing and backbo
15、ne QoS-mechanism (e.g. MPLS, RSVP); interfaces for connection to the PSTN network as far as these interfaces are covered in other test specifications. IPCablecom. 2 Re fe re nces For the purposes of this Technical Report (TR) the following references apply: Void. 21 Void. 31 Void. 41 ETSI TS 101 909
16、-4: “Digital Broadband Cable Access to the Public Telecommunications Network; IP Multimedia Time Critical Services; Part 4: Network Call Signalling Protocol“. ETSI TS 101 909-5: “Access and Terminals (AT); Digital Broadband Cable Access to the Public Telecommunications Network; IP Multimedia Time Cr
17、itical Services; Part 5: Dynamic Quality of Service for the Provision of Real Time Services over Cable Television Networks using Cable Modems“. 51 Void. Void. Void. Void. ETSI TS 101 909-10: “Access and Terminals (AT); Digital Broadband Cable Access to the Public Telecommunications Network; IP Multi
18、media Time Critical Services; Part 10: Event Message Requirements for the Provision of Real Time Services over Cable Television Networks using Cable Modems“. ETSI TS 101 909-1 1: “Digital Broadband Cable Access to the Public Telecommunications Network; IP Multimedia Time Critical Services; Part 1 1
19、: Security“. ETSI TS 101 909-13: “Access and Terminals (AT); Digital Broadband Cable Access to the Public Telecommunications Network; IP Multimedia Time Critical Services; Part 13 : Trunking Gateway Control Protocol“. Void. ETSI TS 101 909-23: “Digital Broadband Cable Access to the Public Telecommun
20、ications Network; IP Multimedia Time Critical Services; Part 23: Internet Protocol Access Terminal - Line Control Signalling (IPAT - LCS)“. Void. ETSI 7 ETSI TR 102 136 VI .I .I (2003-05) Void. Void. ETSI ES 20 1 488: “Data-Over-Cable Service Interface Specifications Radio Frequency Interface Specif
21、ication“. ETSI EN 300 324-1: “V interfaces at the digital Local Exchange (LE); V5.1 interface for the support of Access Network (AN); Part 1 : V5.1 interface specification“. ETSI ETS 300 347 (series): “V interfaces at the digital Local Exchange (LE);V5.2 interface for the support of Access Network (
22、AN)“. ETSI EG 201 188: “Public Switched Telephone Network (PSTN); Network Termination Point (NTP) analogue interface; Specification of physical and electrical characteristics at a 2-wire analogue presented NTP for short to medium length loop applications“. IETF RFC 2748: “The COPS (Common Open Polic
23、y Service) Protocol“ IETF RFC 2749: “COPS usage for RSVP“. IETF RFC 2750: “RSVP Extensions for Policy Control“. ITU-T Recommendation E. 164: “The international public telecommunication numbering plan“ ITU-T Recommendation J. 1 12: “Transmission systems for interactive cable television services“. IS0
24、 9646 (series): “Information technology - Open Systems Interconnection - Conformance testing methodology and framework“. Void. Void. Void. ITU-T Recommendation H.248: “Implementors Guide“. 3 3.1 Definitions and abbreviations De fi nit ions For the purposes of the present document, the following term
25、s and definitions apply: conformance testing: ability to demonstrate that components developed independently meet a common interface standard; it does not guarantee that components will work together to perform a system function Call Management Services (CMS): this device performs the ITU-T Recommen
26、dation E.164 25 to IP address translation and call control management functions within the networt NOTE: It is sometimes referred to as a “Soft Switch“ Cable Modem Termination System (CMTS): the device at a cable head-end which implements the Euro-DOCSIS RFI MAC protocol and connects to CMs over an
27、HFC network Embedded Multimedia Terminal Adapter (E-TMA): single node which contains both an MTA and a cable modem (CM) IKE-: IKE with pre-shared keys for authentication IKE+: notation defined to refer to the use of IKE, which requires digital certificates for authentication integration test run: co
28、mplete set of test cases; the regression test of the software ETSI 8 ETSI TR 102 136 VI .I .I (2003-05) interoperability: where one component, from one manufacturer, can be replaced with another, and the basic operation of the system remains unaffected interworking: ability of two (or more) systems
29、to connect and pass signalling and communication content seamlessly Internet Protocol Access Terminal (IPAT): essentially a protocol converter, mapping V5.2 events messages to those corresponding within the NCS protocol KERBEROS: Secret key network authentication protocol that uses a choice of crypt
30、ographic algorithms for every phone and a centralized key database for authorisation Standalone Multimedia Terminal Adapter (S-MTA): single node which contains an MTA and a non Euro-DOCSIS MAC (e.g. ethernet) test case: specific set of test data applied to a script that test one successful or unsucc
31、essful scenario test data: input data of to a test, or the expected output data from the test execution test script: file or manual instruction document that defines a set of stimuli and expected responses intended to test some part of the system; a test script may be a template to which a number of
32、 different test data input test result: a successful conclusion occurs when the expected results match the results generated by test execution; failure occurs when they do not test run: execution of one or more test cases with their test results 3.2 Abbreviations For the purposes of the present docu
33、ment, the following abbreviations apply: AN ANC ANP ANS API ATS BPI+ CA CATV CDR CM CMS CMTS COPS CPE DCS DECT DHCP DOCSIS DNS DQoS DTMF EBP FQDN GC HFC HI HTTP IETF IKE IP IPAT E-MTA Access Node (see CMTS) ANnouncement Controller ANnouncement Player ANnouncement Server Application Programming Inter
34、face Abstract Test Scripts Baseline Privacy Interface Plus Call Agent Cable Access Television Call Detail Records Cable Modem Call Management Server Cable Modem Termination System (see AN) Common Open Policy Service Customer Premise Equipment Distributed CalVControl Signalling Digital Enhanced Cordl
35、ess Telecommunications Dynamic Host Configuration Protocol Data Over Cable Service Interface Specification Domain Name System Dynamic Quality of Service Dual Tone Multi-Frequency Exterior Border Proxies Embedded Multimedia Terminal Adapter Fully Qualified Domain Name Gate Controller Hybrid FibreKOax
36、 Handover Interface (Lawful Interception) HyperText Transfer Protocol Internet Engineering Task Force Internet Key Exchange Internet Protocol Internet Protocol Access Terminal ETSI 9 ETSI TR 102 136 VI .I .I (2003-05) ISDN-BRI IPsec IS0 ISTP ISUP KDC LAN LCS LE LEMF LI MAC MF MG MGC MIB MMH MPLS MTA
37、 MTP NCS NTP oss PHB PICS PKI PKINIT POTS PSTN RC4 QOS RFI RKS RSVP RSVP+ RTCP RTP SA SCCP SCN SEC SG SID S-MTA SNMP SNMPv3 ss7 TCAP TFTP TGCP TGS TOS TP TSS UDP USB VOIP v5 Intergrated Services Digital Network - Basic Rate Interface IP security International Organization for Standards Internet Sign
38、alling Transport Protocol Integrated Services Digital Network User Part Key Distribution Certificate Local Area Network Line Control Signalling Local Exchange Law Enforcement Monitoring Function Lawful Interception Media Access Control Multi-Frequency or Mediation Function Media Gateway Media Gatewa
39、y Controller Management Information Base Multilinear Modular Hash Multiprotocol Label Switching Multimedia Terminal Adapter Message Transfer Part Network Based Call Signalling Network Termination Point Operational Support System Per Hop Behaviour Protocol Implementation Conformance Statement Public
40、Key Infiastructure Public Key Cryptography Initial Authentication Plain Old Telephone Service Public Switched Telephone Network Quality of Service A variable key length stream cipher offered in the ciphersuite, used to encrypt the media traffic in IPCablecom Radio Frequency Interface Record Keeping
41、Server Resource reservation Protocol Resource reservation Protocol Plus Real-Time Control Protocol Real-Time Transfer Protocol Source Address Signalling Connection Control Part Switched Circuit Network Security Signalling Gateway System IDentification number Standalone Multimedia Terminal Adapter Si
42、mple Network Management Protocol Simple Network Management Protocol version 3 ITU-T Signalling System Number 7 Transaction Capabilities Application Part Trivial File Transfer Protocol Trunkkg Gateway Control Protocol Ticket Granting Server Type of Service Test Purpose Test Suite Structure User Datag
43、ram Protocol Universal Serial Bus Voice over IP general description used to reference V.5.1N.5.2 signalling protocols at the digital local exchange ETSI 10 ETSI TR 102 136 VI .I .I (2003-05) 4 Overview The purpose of the present document is to define the size of the task for producing a test plan or
44、 strategy for the IPCablecom system. It will describe the elements of the system under test, the interfaces that may be tested and potential functional requirements for validation. Currently it is expected that testing will focus on two objectives: conformance testing to prove a component implements
45、 a particular protocol property and interoperability testing to prove a component from one vendor can seamlessly replace another vendor. The large body of specifications are analysed to examine areas that are affected by these two testing objectives, in the context of the business objectives of the
46、cable TV industry. The present document only scopes the size of the task so that the next step (generation of a system test plan or strategy specification) can be assigned adequate resources. Thus it focuses on identiSling critical components and interfaces for testing, sets priority for testing act
47、ivities and examines availability of commercial test systems. The present document does not define test environments, test cases, test scripts, test tools, test scenarios, test sequences, etc; that is the purpose of the test strategy. However, it should be noted that the job of designing a test plan
48、 should not be underestimated. The Packetcable architecture is similar to IPCablecom, except that IPCablecom defines in addition to Packetcable a V5.2 interface on an IPAT, ISDN-BRI interface on the E-MTA, NCS European analogue line package relevant to European PSTN line characteristics and lawful i
49、nterception interfaces specific to European needs. As of 2001, the Cable Labs Forum under their project, Packetcable, had defiied interoperability tests for 8 out of 11 areas (TGCP, ISTP, and security are still in definition), clearly such interoperability testing of functional requirements is beyond the scope of the ETSI intent. It is important to carefully narrow the nature of the testing intended for IPCablecom to conformance test requirements, defining a PICS, TP define which areas are more applicable to be conformance tested and those which would be best tested by
