ITU-T M 727-2011 Planned outage notification point (Study Group 2)《计划掉话率通知点 2号研究组》.pdf
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1、 International Telecommunication Union ITU-T M.727TELECOMMUNICATION STANDARDIZATION SECTOR OF ITU (03/2011) SERIES M: TELECOMMUNICATION MANAGEMENT, INCLUDING TMN AND NETWORK MAINTENANCE International telephone circuits Planned outage notification point Recommendation ITU-T M.727 ITU-T M-SERIES RECOM
2、MENDATIONS TELECOMMUNICATION MANAGEMENT, INCLUDING TMN AND NETWORK MAINTENANCE Introduction and general principles of maintenance and maintenance organization M.10M.299 International transmission systems M.300M.559 International telephone circuits M.560M.759Common channel signalling systems M.760M.7
3、99 International telegraph systems and phototelegraph transmission M.800M.899 International leased group and supergroup links M.900M.999 International leased circuits M.1000M.1099 Mobile telecommunication systems and services M.1100M.1199 International public telephone network M.1200M.1299 Internati
4、onal data transmission systems M.1300M.1399 Designations and information exchange M.1400M.1999 International transport network M.2000M.2999 Telecommunications management network M.3000M.3599 Integrated services digital networks M.3600M.3999 Common channel signalling systems M.4000M.4999 For further
5、details, please refer to the list of ITU-T Recommendations. Rec. ITU-T M.727 (03/2011) i Recommendation ITU-T M.727 Planned outage notification point Summary Recommendation ITU-T M.727 defines the planned outage notification point and describes its responsibilities and functions. It focuses on the i
6、nteraction between a customer and a service provider. History Edition Recommendation Approval Study Group 1.0 ITU-T M.727 2011-03-01 2 Keywords Customer, network operator, one-stop-shopping, planned outage notification, service agreement, service provider, user. ii Rec. ITU-T M.727 (03/2011) FOREWOR
7、D The International Telecommunication Union (ITU) is the United Nations specialized agency in the field of telecommunications, information and communication technologies (ICTs). The ITU Telecommunication Standardization Sector (ITU-T) is a permanent organ of ITU. ITU-T is responsible for studying te
8、chnical, operating and tariff questions and issuing Recommendations on them with a view to standardizing telecommunications on a worldwide basis. The World Telecommunication Standardization Assembly (WTSA), which meets every four years, establishes the topics for study by the ITU-T study groups whic
9、h, in turn, produce Recommendations on these topics. The approval of ITU-T Recommendations is covered by the procedure laid down in WTSA Resolution 1. In some areas of information technology which fall within ITU-Ts purview, the necessary standards are prepared on a collaborative basis with ISO and
10、IEC. NOTE In this Recommendation, the expression “Administration“ is used for conciseness to indicate both a telecommunication administration and a recognized operating agency. Compliance with this Recommendation is voluntary. However, the Recommendation may contain certain mandatory provisions (to
11、ensure, e.g., interoperability or applicability) and compliance with the Recommendation is achieved when all of these mandatory provisions are met. The words “shall“ or some other obligatory language such as “must“ and the negative equivalents are used to express requirements. The use of such words
12、does not suggest that compliance with the Recommendation is required of any party. INTELLECTUAL PROPERTY RIGHTS ITU draws attention to the possibility that the practice or implementation of this Recommendation may involve the use of a claimed Intellectual Property Right. ITU takes no position concer
13、ning the evidence, validity or applicability of claimed 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, ITU had not received notice of intellectual property, protected by pat
14、ents, which may be required to implement this Recommendation. However, implementers are cautioned that this may not represent the latest information and are therefore strongly urged to consult the TSB patent database at http:/www.itu.int/ITU-T/ipr/. ITU 2011 All rights reserved. No part of this publ
15、ication may be reproduced, by any means whatsoever, without the prior written permission of ITU. Rec. ITU-T M.727 (03/2011) iii Table of Contents Page 1 Scope 1 2 References. 1 3 Definitions 1 3.1 Terms defined elsewhere 1 3.2 Terms defined in this Recommendation . 2 4 Abbreviations 2 5 Conventions
16、2 6 General principles for the planned outage notification point . 2 7 Relation with other Recommendations . 3 8 Responsibilities and functions 3 iv Rec. ITU-T M.727 (03/2011) Introduction Traditionally, an end-to-end private international service has been jointly provided by bilateral network opera
17、tors who have individual bilateral service agreements with both end customers. An end-to-end domestic service has been solely provided by a single network operator under a single service agreement with the customer. Currently, these end-to-end services are in many cases provided by multiple network
18、operators. In this case, a single service provider normally has an end-to-end service agreement with the customer. This agreement is called one-stop-shopping. The service provider has contracts with all network operators involved. The customer normally requires the service provider to notify in adva
19、nce all planned outages in any network portion within the end-to-end connection. The function responsible for notifying the customer is called planned outage notification point (PONP). Recommendation ITU-T M.727 describes the process and the functions of the PONP. Related Recommendation ITU-T M.1541
20、 (planned outage notification to customer) describes the procedures for planned outage notification between the service provider and the customer for different network architectures and different types of service agreements. Rec. ITU-T M.727 (03/2011) 1 Recommendation ITU-T M.727 Planned outage noti
21、fication point 1 Scope Planned maintenance actions by a network operator may cause outage of services. Especially, maintenance of local access facilities will normally cause service outage because there is usually no backup available. From the view point of customer satisfaction, such outages caused
22、 by planned maintenance actions should be notified to the customer in advance. Under some service agreements such as one-stop-shopping, a service provider is required to notify the customer not only his actual planned outages but also other planned outages by the other contracted network operators s
23、uch as neighbour and distant network operators. The present Recommendation introduces the concept of planned outage notification point and describes its responsibilities and functions. 2 References The following ITU-T Recommendations and other references contain provisions which, through reference i
24、n this text, constitute provisions of this Recommendation. At the time of publication, the editions indicated were valid. All Recommendations and other references are subject to revision; users of this Recommendation are therefore encouraged to investigate the possibility of applying the most recent
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