1、TIA TELECOMMUNICATIONS SYSTEMS BULLETIN Cellular Digital Packet Data System Specification - Part 1021 Service Provider Interoperability Test - Plan Overview TSB-87- 102 1 Reaffirmed August 9,2002 ODECEMBER 1997 TELECOMMUNICATIONS INDUSTRY ASSOCIATION The Teleconmiunications Industry Association repr
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20、ket Data System Specification - Part 1021 Service Provider Interoperability l Test Plan Overview 1 TSB87-1021 DECEMBER 1997 TELECOMMUNICATIONS INDUSTRY ASSOCIATION TEiEWMblUNlCATiONS Rtbetek=xnmuInhsvg bmxLECOMMUNICATIONS INDUSTRY ASSOCIATION 1997 Standards and Technology Department 2500 Wilson Boul
21、evard Arlington, VA 22201 PRICE: Please refer to the current Catalog of EIA, JEDEC and TIA STANDARDS and ENGINEERING PUBLICATIONS International (303-39-7956) or call Global Engineering Documents, USA and Canada (1-800-854-7179) AU rights reserved printed in U.S.A. PART 1021 Table of Contents O Forew
22、ord 1021-iii Document Structure .lo2 1.111 . O . 1 1 Introduction 1021-1 2 Goals 1021-1 3 Conceptual Definition of Testing Process 1021-2 4 Prerequisites and Assumptions . 1021-3 4.1 Readiness for Test 1021-3 4.2 Assumptions and Simplifications 1021-3 5 Documentation 1021-4 6 Resource Requirements .
23、 1021-4 7 Issues 1021-4 8 Detailed Test Procedures 1021-4 1021-i TIAEImSB-87-1021 Foreword PART 1021 Service Provider Interoperability Test Plan Overview O Foreword This foreword is not part of this Telecommunications Systems Bulletin. This Telecommunications Systems Bulletin has been developed by S
24、ubcommittee TR-45.6, and contains information which may be useful to implementors of systems compliant with TSB-87, “Cellular Digital Packet Data System Specification,“ or its derivatives. This document contains significant portions of material originally submitted by the Cellular Digital Packet Dat
25、a Forum Inc. CDPD is a technology intended to provide packet data networking services to mobile hosts. The media used to provide these services consists of radio channels typically used for Advanced Mobile Phone System (AMPS) cellular service. 0.1 Docum en t St ru ct u re This Telecommunications Sys
26、tems Bulletin is published as a series of Parts. Each Part contains information pertaining to one aspect of the system. The functional structure of this TSB is as follows: o Part 1000 to Part 1999-Guidelines for Service Providers These Parts are informative and discuss non-CDPD specific entities (su
27、ch as Intermediate Systems), support services (such as directory - 10Zllii Previous page is blank TIAIEIAKSB-87-1021 Service Provider Interoperability Test Plan Overview services, accounting summary and settlement procedures, authentication, etc.), value-added services (such as subscriber location)
28、and Service Provider issues (such as an interoperability test plan overview and parameter configuration). Part 1000 contains the detailed listing of all Parts of this TSB. Part 2000 to Part 2999-Guidelines for Manufacturers of CDPD equipment These Parts are informative and discuss such concerns as C
29、DPD-specific entities (such as Mobile End Systems (M-ESs), Mobile Data Base Stations (MDBSs) and Mobile Data Intermediate Systems (MD-ISS) , external interfaces (such as that between the Subscriber Unit (SU) and the Subscriber Identity Module (SIM) and multicasts from the perspective of each of the
30、participating entities. Part 3000 to Part 3999-Guidelines for the CDPD Network Information Center (NIC). These Parts are informative and describe the issues and procedures which must be addressed by an agency serving as a NIC on behaif of the CDPD community. o o 10214v STD-EIA TSBA7-LO2L-EMGL 1597 3
31、23Lib00 b01452 Ab7 introduction TIA/EISB-B7-1021 - PART 1021 Service Provider Interoperability Test Plan Overview 1 Introduction IS-732 provides flexibility for individual equipment suppliers and Service Providers in determining how to develop and implement the technology to best fit their business
32、requirements. This requires that tests be performed to identify and resolve any insufficiencies in selected areas in terms of either the level of detail provided or the extent to which particular areas are open to differing interpretations. The objective in providing guidelines for testing, and docu
33、menting what is learned, will be to ensure that all equipment suppliers, application developers and Service Providers have the same information to work from, thereby enabling subscriber devices to freely interoperate on a seamless nationwide network. 2 Goals In brief, these tests are intended to acc
34、omplish the following: o Identify those areas of IS-732 which are deficient andor require clarification to ensure interoperability. in a time frame sufficient to allow the Specification Team to develop appropriate resolution for publication in next revision of IS-732 1021-1 STDpEIA TSB87-1021-ENGL 1
35、777 H 323Lib00 GbOLLi53 7T3 W TlAIEIAKSB-87-1021 Service Provider Interoperability Test Plan Overview 3 Identi incompatibilities between specific vendor/service provider- implementations and resolve these to allow interoperability along A- and I-Interfaces Develop a golden matrix identifying specifi
36、c M-ESinetwork infrastructure combinations, and service provider implementations, that have successfully demonstrated interoperability. Suppliers and Service Providers who later enter the process will be required to demonstrate that they conform with this golden matrix. Demonstrate ability to take a
37、 M-ES from one city/CDPD system to another city/system (visit) and have it successfully register for service, and exchange packets with another End System Demonstrate ability for Service Providers to exchange appropriate registration, authentication and accounting information to support the visiting
38、 M-ES As a result of above, develop public confidence with key M-ES developers, application developers and potential customers that CDPD is real, and that they can develop products or choose CDPD to support their businesses without fear that interoperability will not happen or may be years away. Con
39、ceptual Definition of Testing Process Initial phase should focus on minimum necessary functionality to provide basic transport service among/between Service Providers. More complex functionality, additional features and permutations of different equipment, End Systems. Service Providers, etc. should
40、 then follow. The test process will be bilateral testing between pairs of Service Providers. Simplifjhg assumptions should be used where possible (e.g., start with a single M-ES agreeable to both parties, and then expand upon this.) It is possible to accelerate the process via a “divide and conquer“
41、 approach - i.e., one team can focus initially on getting the RDR/RDC process working, while another team focuses on getting two Service Providers MTAs communicating basic messages back and forth. Once this has happened, we can then work on exchange of Traffic Matrix Segments over this X.400 link. T
42、est approach should focus initially on the “happy path“-emphasis on what happens if everything works right. Once this has been established, we can then test how error conditions are handled. Test process will follow a phased testing approach: o o o Phase I: Minimum functionality for basic transport
43、Phase II: Full functionality including network management Phase III: Full Specifications conformance including abnormal conditions. 1 021 -2 STD-EIA TSBA7-102L-ENGL 1797 m 3234b00 Ob01454 b3T D. Prerequisites and Assumptions TIAEINTSB-87-I 021 4 Prerequisites and Assumptions 4.1 Readiness for Test 4
44、.2 Participation will be limited to M-ES and infrastructure suppliers who have fully engaged, and are currently working with one or more Service Providers in their implementations. a. Each Service Provider must have performed adequate internai testing to ensure readiness for interconnection with ano
45、ther service provider b. Must have demonstrated consistent successful registration and authentication of M-ES c. Must have demonstrated consistent successful interoperability between like MD-IS systems deployed by a service provider d. Must have demonstrated consistent successful data transfer betwe
46、en M-ES and F-ES (IP-based application). Assumptions and Simplifications Focus of this process will be on the I-Interface; assumption is that participating Service Providers and M-ES vendors have successfully completed A-Interface testing individually. The following are key simplifying assumptions t
47、o enhance interoperability test success: a. b. C. d. e. f. R. h. i. .l. k. No MDBS to MDBS communications MD-IS to MD-IS communications through a simple direct link Intercarrier network management interoperability will be tested in a later phase Internet Protocol based user traffic only No equal acc
48、ess issues will be addressed in the initial phase of testing; this will be picked up in a later phase Home area (MD-IS) is also the home accounting area Each service provider will only operate with a single home MD-IS Sleep mode testing will be done in a later phase of testing Encryption features ca
49、n be turned off initially (test mode) but must be tested TCP/IP header compression is enabled V.42 bis compression is enabled. An absolute requirement is that equipment suppliers must have IS-732- compliant implementations in terms of the golden (A, E. I) Interfaces and be prepared to demonstrate this in order to participate. 1021-3 _ _ STPDEIA TSB87-102L-ENGL 1777 323YbUU Ub1455 57b M Service Provider Interoperability Test Plan Overview Any Service Provider or equipment supplier who wishes to participate must be prepared to commit the appropriat
