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    ITU-T G 870 CORR 1-2013 Terms and definitions for optical transport networks Corrigendum 1 (Study Group 15)《光传送网的术语和定义 勘误表1 15号研究组》.pdf

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    ITU-T G 870 CORR 1-2013 Terms and definitions for optical transport networks Corrigendum 1 (Study Group 15)《光传送网的术语和定义 勘误表1 15号研究组》.pdf

    1、 International Telecommunication Union ITU-T G.870/Y.1352TELECOMMUNICATION STANDARDIZATION SECTOR OF ITU Corrigendum 1(08/2013) SERIES G: TRANSMISSION SYSTEMS AND MEDIA, DIGITAL SYSTEMS AND NETWORKS Digital networks Optical transport networks SERIES Y: GLOBAL INFORMATION INFRASTRUCTURE, INTERNET PRO

    2、TOCOL ASPECTS AND NEXT-GENERATION NETWORKS Internet protocol aspects Transport Terms and definitions for optical transport networks Corrigendum 1 Recommendation ITU-T G.870/Y.1352 (2012) Corrigendum 1 ITU-T G-SERIES RECOMMENDATIONS TRANSMISSION SYSTEMS AND MEDIA, DIGITAL SYSTEMS AND NETWORKS INTERNA

    3、TIONAL TELEPHONE CONNECTIONS AND CIRCUITS G.100G.199 GENERAL CHARACTERISTICS COMMON TO ALL ANALOGUE CARRIER-TRANSMISSION SYSTEMS G.200G.299 INDIVIDUAL CHARACTERISTICS OF INTERNATIONAL CARRIER TELEPHONE SYSTEMS ON METALLIC LINES G.300G.399 GENERAL CHARACTERISTICS OF INTERNATIONAL CARRIER TELEPHONE SY

    4、STEMS ON RADIO-RELAY OR SATELLITE LINKS AND INTERCONNECTION WITH METALLIC LINES G.400G.449 COORDINATION OF RADIOTELEPHONY AND LINE TELEPHONY G.450G.499 TRANSMISSION MEDIA AND OPTICAL SYSTEMS CHARACTERISTICS G.600G.699 DIGITAL TERMINAL EQUIPMENTS G.700G.799 DIGITAL NETWORKS G.800G.899 General aspects

    5、 G.800G.809 Design objectives for digital networks G.810G.819 Quality and availability targets G.820G.829 Network capabilities and functions G.830G.839 SDH network characteristics G.840G.849 Management of transport network G.850G.859 SDH radio and satellite systems integration G.860G.869 Optical tra

    6、nsport networks G.870G.879DIGITAL SECTIONS AND DIGITAL LINE SYSTEM G.900G.999 MULTIMEDIA QUALITY OF SERVICE AND PERFORMANCE GENERIC AND USER-RELATED ASPECTS G.1000G.1999 TRANSMISSION MEDIA CHARACTERISTICS G.6000G.6999 DATA OVER TRANSPORT GENERIC ASPECTS G.7000G.7999 PACKET OVER TRANSPORT ASPECTS G.8

    7、000G.8999 ACCESS NETWORKS G.9000G.9999 For further details, please refer to the list of ITU-T Recommendations. Rec. ITU-T G.870/Y.1352 (2012)/Cor.1 (08/2013) i Recommendation ITU-T G.870/Y.1352 Terms and definitions for optical transport networks Corrigendum 1 Summary Corrigendum 1 to Recommendation

    8、 ITU-T G.870/Y.1352 (2012) corrects the definition of exercise signal #i (EX). History Edition Recommendation Approval Study Group 1.0 ITU-T G.870/Y.1352 2004-06-13 15 1.1 ITU-T G.870/Y.1352 (2004) Amd. 1 2005-06-29 15 2.0 ITU-T G.870/Y.1352 2008-03-29 15 2.1 ITU-T G.870/Y.1352 (2008) Amd.1 2009-11-

    9、13 15 3.0 ITU-T G.870/Y.1352 2010-07-29 15 4.0 ITU-T G.870/Y.1352 2012-02-13 15 5.0 ITU-T G.870/Y.1352 2012-10-29 15 5.1 ITU-T G.870/Y.1352 (2012) Cor. 1 2013-08-29 15 ii Rec. ITU-T G.870/Y.1352 (2012)/Cor.1 (08/2013) FOREWORD The International Telecommunication Union (ITU) is the United Nations spe

    10、cialized 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 technical, operating and tariff questions and issuing Recommendations on them

    11、 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 which, in turn, produce Recommendations on these topics. The approval of ITU-T

    12、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 IEC. NOTE In this Recommendation, the expression “Administration“ is used f

    13、or 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 ensure, e.g., interoperability or applicability) and compliance with the Re

    14、commendation 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 does not suggest that compliance with the Recommendation is required of any

    15、 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 concerning the evidence, validity or applicability of claimed Intellectual Proper

    16、ty 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 patents, which may be required to implement this Recommendation. However, impl

    17、ementers 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 2013 All rights reserved. No part of this publication may be reproduced, by any means whatsoever, without the prior writt

    18、en permission of ITU. Rec. ITU-T G.870/Y.1352 (2012)/Cor.1 (08/2013) 1 Recommendation ITU-T G.870/Y.1352 Terms and definitions for optical transport networks Corrigendum 1 1) Clause 3.2.30: exercise signal #i (EX) Delete the last sentence of the paragraph: Issues an exercise request for that signal

    19、(null signal, normal traffic signal, extra traffic signal) and checks responses on APS messages, unless the protection transport entity is in use. The switch is not actually completed, i.e., the selector is released by an exercise request. The exercise functionality is optional. ITU-T Y-SERIES RECOM

    20、MENDATIONS GLOBAL INFORMATION INFRASTRUCTURE, INTERNET PROTOCOL ASPECTS AND NEXT-GENERATION NETWORKS GLOBAL INFORMATION INFRASTRUCTURE General Y.100Y.199 Services, applications and middleware Y.200Y.299 Network aspects Y.300Y.399 Interfaces and protocols Y.400Y.499 Numbering, addressing and naming Y

    21、.500Y.599 Operation, administration and maintenance Y.600Y.699 Security Y.700Y.799 Performances Y.800Y.899 INTERNET PROTOCOL ASPECTS General Y.1000Y.1099 Services and applications Y.1100Y.1199 Architecture, access, network capabilities and resource management Y.1200Y.1299 Transport Y.1300Y.1399Inter

    22、working Y.1400Y.1499 Quality of service and network performance Y.1500Y.1599 Signalling Y.1600Y.1699 Operation, administration and maintenance Y.1700Y.1799 Charging Y.1800Y.1899 IPTV over NGN Y.1900Y.1999 NEXT GENERATION NETWORKS Frameworks and functional architecture models Y.2000Y.2099 Quality of

    23、Service and performance Y.2100Y.2199 Service aspects: Service capabilities and service architecture Y.2200Y.2249 Service aspects: Interoperability of services and networks in NGN Y.2250Y.2299 Enhancements to NGN Y.2300Y.2399 Network management Y.2400Y.2499 Network control architectures and protocols

    24、 Y.2500Y.2599 Packet-based Networks Y.2600Y.2699 Security Y.2700Y.2799 Generalized mobility Y.2800Y.2899 Carrier grade open environment Y.2900Y.2999 FUTURE NETWORKS Y.3000Y.3499 CLOUD COMPUTING Y.3500Y.3999 For further details, please refer to the list of ITU-T Recommendations. Printed in Switzerlan

    25、d Geneva, 2013 SERIES OF ITU-T RECOMMENDATIONS Series A Organization of the work of ITU-T Series D General tariff principles Series E Overall network operation, telephone service, service operation and human factors Series F Non-telephone telecommunication services Series G Transmission systems and

    26、media, digital systems and networks Series H Audiovisual and multimedia systems Series I Integrated services digital network Series J Cable networks and transmission of television, sound programme and other multimedia signals Series K Protection against interference Series L Construction, installati

    27、on and protection of cables and other elements of outside plant Series M Telecommunication management, including TMN and network maintenance Series N Maintenance: international sound programme and television transmission circuits Series O Specifications of measuring equipment Series P Terminals and

    28、subjective and objective assessment methods Series Q Switching and signalling Series R Telegraph transmission Series S Telegraph services terminal equipment Series T Terminals for telematic services Series U Telegraph switching Series V Data communication over the telephone network Series X Data networks, open system communications and security Series Y Global information infrastructure, Internet protocol aspects and next-generation networks Series Z Languages and general software aspects for telecommunication systems


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