ITU-T E 728-1998 Grade-of-service parameters for B-ISDN signalling《宽带综合业务数字网(B-ISDN)的信令服务等级参数 E系列 全面网络操作 电话服务 服务操作和人力因素》.pdf
《ITU-T E 728-1998 Grade-of-service parameters for B-ISDN signalling《宽带综合业务数字网(B-ISDN)的信令服务等级参数 E系列 全面网络操作 电话服务 服务操作和人力因素》.pdf》由会员分享,可在线阅读,更多相关《ITU-T E 728-1998 Grade-of-service parameters for B-ISDN signalling《宽带综合业务数字网(B-ISDN)的信令服务等级参数 E系列 全面网络操作 电话服务 服务操作和人力因素》.pdf(11页珍藏版)》请在麦多课文档分享上搜索。
1、INTERNATIONAL TELECOMMUNICATION UNION ITU=T TELECOMM U N KATION STAN DAR DIZATION SECTOR OF ITU E.728 (03/98) SERIES E: OVERALL NETWORK OPERATION, TELEPHONE SERVICE, SERVICE OPERATION AND HUMAN FACTORS Quality of service, network management and traffic engineering - Traffic engineering - ISDN traffi
2、c engineering Grade-of-service parameters for B-ISDN signalling ITU-T Recommendation E.728 (Previously CCITT Recommendation) STD-ITU-T RECMN E-728-ENGL 1998 m 48b2591 0647091 429 m OPERATION, NUMBERING, ROUTING AND MOBILE SERVICES INTERNATIONAL OPERATION OPERATIONAL PROVISIONS RELATING TO CHARGING A
3、ND ACCOUNTING IN THE INTERNATIONAL TELEPHONE SERVICE UTILIZATION OF THE INTERNATIONAL TELEPHONE NETWORK FOR NON- TELEPHONY APPLICATIONS ISDN PROVISIONS CONCERNING USERS E.330-E.399 QUALITY OF SERVICE, NETWORK MANAGEMENT AND TRAFFIC ENGINEERING NETWORK MANAGEMENT TRAFFIC ENGINEERING Measurement and r
4、ecording of traffic Forecasting of traffic E.490-E.505 E. 506-E. 509 Determination of the number of circuits in manual operation E.510-ES19 I Determination of the number of circuits in automatic and semi-automatic operation E.520-E.539 Grade of service E.540-E.599 Definitions E.600-E.699 E.700-E.749
5、 Mobile network traffic engineering E.750-E.799 QUALITY OF TELECOMMUNICATION SERVICES : CONCEPTS, MODELS, OBJECTIVES AND DEPENDABILITY PLANNING ITU-T E-SERIES RECOMMENDATIONS OVERALL NETWORK OPERATION, TELEPHONE SERVICE, SERVICE OPERATION AND HUMAN FACTORS For further details, please refer to ITU-T
6、List of Recommendations STD-ITU-T RECMN E-728-ENGL 1998 = 4862591 Ob47092 365 ITU-T RECOMMENDATION E.728 GRADE-OF-SERVICE PARAMETERS FOR B-ISDN SIGNALLING Summary This Recommendation defines the grade-of-service parameters for B-ISDN signalling for the Network Node-Interface. It considers both link-
7、by-link and edge-to-edge B-ISDN protocol functions. Reference connections for these protocol functions are provided, and grade-of-service target values are given based on these reference connections. Source ITU-T Recommendation E.728 was prepared by ITU-T Study Group 2 ( 1997-2000) and was approved
8、under the WTSC Resolution No. 1 procedure on the 9th of March 1998. Recommendation E.728 (03/98) I - STD.ITU-T RECMN E.728-ENGL 1998 4862591 Ob47093 ZTL FOREWORD ITU (International Telecommunication Union) is the United Nations Specialized Agency in the field of telecommuni- cations. The ITU Telecom
9、munication Standardization Sector (ITU-T) is a permanent organ of the ITU. The IT-T is responsible for studying technical, operating and tariff questions and issuing Recommendations on them with a view to standardizing telecommunications on a worldwide basis. The World Telecommunication Standardizat
10、ion Conference (WTSC), which meets every four years, establishes the topics for study by the ITU-T Study Groups which, in their turn, produce Recommendations on these topics. The approval of Recommendations by the Members of the ITU-T is covered by the procedure laid down in WTSC Resolution No. 1. I
11、n some areas of information technology which fall within ITU-Ts purview, the necessary standards are prepared on a collaborative basis with IS0 and IEC. NOTE In this Recommendation, the expression “Administration“ is used for conciseness to indicate both a telecommunication administration and a reco
12、gnized operating agency. INTELLECTUAL PROPERTY RIGHTS The ITU draws attention to the possibility that the practice or implementation of this Recommendation may involve the use of a claimed Intellectual Property Right. The ITU takes no position concerning the evidence, validity or applicability of cl
13、aimed Intellectual Property Rights, whether asserted by ITU members or others outside of the Recommendation development process. As of the date of approval of this Recommendation, the ITU had not received notice of intellectual property, protected by patents, which may be required to implement this
14、Recommendation. However, implementors are cautioned that this may not represent the latest information and are therefore strongly urged to consult the TSB patent database. O ITU 1998 All rights reserved. No part of this publication may be reproduced or utilized in any form or by any means, electroni
15、c or mechanical, including photocopying and microfilm, without permission in writing from the ITU. 11 Recommendation E.728 (03/98) 1 2 3 4 5 6 7 8 . STDSITU-T RECMN E-728-ENGL 1998 W 4862593 Ob47094 138 = CONTENTS Scope References Terms and Definitions Abbreviations . Overview of B-ISDN signalling .
16、 5.1 B-ISDN signalling protocols 5.2 B-ISDN signalling network architectures . Reference connections for B-ISDN signalling . 6.1 Reference connections for Link-By-Link signalling functions 6.2 Reference connections for Edge-to-Edge signalling functions . GOS parameters and target values . Recommenda
17、tion history Annex A . Explaining the basis for the GOS parameters in this Recommendation . Recommendation E.728 (03198) Page 1 1 1 1 2 . 111 STD=ITU-T RECMN E.728-ENGL 1998 W 4862591 Ob47095 074 Recommendation E.728 GRADE-OF-SERVICE PARAMETERS FOR B-ISDN SIGNALLING (Geneva, 1998) 1 Scope This Recom
18、mendation considers Broadband ISDN (B-ISDN) signalling for the Network-Node Interface (NM). It considers only fixed networks. 2 References The following ITU-T Recommendations and other references contain provisions which, through reference in this text, constitute provisions of this Recommendation.
19、At the time of publication, the editions indicated were valid. All Recommendations and other references are subject to revision; all users of this Recommendation are therefore encouraged to investigate the possibility of applying the most recent edition of the Recommendations and other references li
20、sted below. A list of the currently valid ITU-T Recommendations is regularly published. - - CCIT Recommendation E.723 (1992), Grade-ofservice parameters for Signalling System No. 7 networks, ITU-T Recommendation 4.701 (1993), Functional description of the Message Transfer Part (MP) Signalling System
21、 No. 7. ITU-T Recommendation Q.706 ( 1993), Message transfer part signalling performance. ITU-T Recommendation Q.766 (1 993), Performance objectives in the integrated services digital network application. - - - ITU-T Recommendation 4.2 100 ( 1994), B-ISDN Signalling ATM Adaptation Layer (SAAL) overv
22、iew description. ITU-T Recommendation 4.2761 (1995), Functional description of the B-ISDN User Part (B-ISUP) of Signalling System No. 7. - 3 Terms and Definitions The terms and definitions in this Recommendation are as applied in the above references. 4 Abbreviations This Recommendation uses the fol
23、lowing abbreviations: ANM ASE ATM B-ISDN B-ISUP ETE I GOS IAM LBL MTP N-ISUP Answer Message Application Service Element Asynchronous Transfer Mode Broadband Integrated Services Digital Network Broadband ISDN User Part Edge-to-Edge Grade-of-Service Initial Address Message Link-by -Link Message Transf
24、er Part Narrowband ISDN User Part Recommendation E.728 (03198) I STD-ITU-T RECMN E.728-ENGL II998 4862591 064709b TOO H NNI Network-Node Interface SAAL Signalling ATM Adaptation Layer SCCP Signalling Connection Control Part ss7 Signalling System No. 7 STP Signalling Transfer Point TCAP Transaction C
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