ITU-T Y.1731-2008 以太网络连通性管理 (Pre-Published) OAM functions and mechanisms for Ethernet based networks

pdf标准 ITU-T Y.1731-2008 以太网络连通性管理 (Pre-Published) OAM functions and mechanisms for Ethernet based networks

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国外分类,ITU,ITU-T(电信标准分局),itu,以太,网络,连通,连通性,管理,pre,published,oam,functions,and,mechanisms,for,ethernet,based,networks

I n t e r n a t i o n a l T e l e c o m m u n i c a t i o n ITU-T TELECOMMUNICATION STANDARDIZATION SECTOR OF ITU U n i o n Y.1731 (02/2008) SERIES Y: GLOBAL INFORMATION INFRASTRUCTURE, INTERNET PROTOCOL ASPECTS AND NEXT-GENERATION NETWORKS Internet protocol aspects – Operation, administration and maintenance OAM functions and mechanisms for Ethernet based networks Recommendation ITU-T Y.1731 ITU-T Y-SERIES RECOMMENDATIONS GLOBAL INFORMATION INFRASTRUCTURE, INTERNET PROTOCOL ASPECTS AND NEXTGENERATION NETWORKS GLOBAL INFORMATION INFRASTRUCTURE GENERAL SERVICES, APPLICATIONS AND MIDDLEWARE NETWORK ASPECTS INTERFACES AND PROTOCOLS NUMBERING, ADDRESSING AND NAMING OPERATION, ADMINISTRATION AND MAINTENANCE SECURITY PERFORMANCES INTERNET PROTOCOL ASPECTS GENERAL SERVICES AND APPLICATIONS ARCHITECTURE, ACCESS, NETWORK CAPABILITIES AND RESOURCE MANAGEMENT TRANSPORT INTERWORKING QUALITY OF SERVICE AND NETWORK PERFORMANCE SIGNALLING OPERATION, ADMINISTRATION AND MAINTENANCE CHARGING NEXT GENERATION NETWORKS FRAMEWORKS AND FUNCTIONAL ARCHITECTURE MODELS QUALITY OF SERVICE AND PERFORMANCE SERVICE ASPECTS: SERVICE CAPABILITIES AND SERVICE ARCHITECTURE SERVICE ASPECTS: INTEROPERABILITY OF SERVICES AND NETWORKS IN NGN NUMBERING, NAMING AND ADDRESSING NETWORK MANAGEMENT NETWORK CONTROL ARCHITECTURES AND PROTOCOLS SECURITY GENERALIZED MOBILITY For further details, please refer to the list of ITU-T Recommendations. Y.100–Y.199 Y.200–Y.299 Y.300–Y.399 Y.400–Y.499 Y.500–Y.599 Y.600–Y.699 Y.700–Y.799 Y.800–Y.899 Y.1000–Y.1099 Y.1100–Y.1199 Y.1200–Y.1299 Y.1300–Y.1399 Y.1400–Y.1499 Y.1500–Y.1599 Y.1600–Y.1699 Y.1700–Y.1799 Y.1800–Y.1899 Y.2000–Y.2099 Y.2100–Y.2199 Y.2200–Y.2249 Y.2250–Y.2299 Y.2300–Y.2399 Y.2400–Y.2499 Y.2500–Y.2599 Y.2700–Y.2799 Y.2800–Y.2899 Recommendation ITU-T Y.1731 OAM functions and mechanisms for Ethernet based networks Summary Recommendation ITU-T Y.1731 provides mechanisms for user-plane OAM functionality in Ethernet networks according to the requirements and principles given in Recommendation ITU-T Y.1730. This Recommendation is designed specifically to support point-to-point connections and multipoint connectivity in the ETH layer as identified in Recommendation ITU-T G.8010/Y.1306. The operation, administration and maintenance mechanisms defined in this Recommendation offer capabilities to operate and maintain the network and service aspects of the ETH layer. Source Recommendation ITU-T Y.1731 was approved on 29 February 2008 by ITU-T Study Group 13 (2005-2008) under Recommendation ITU-T A.8 procedure. Rec. ITU-T Y.1731 (02/2008) i FOREWORD 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 technical, 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 which, 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-T's purview, the necessary standards are prepared on a collaborative basis with ISO and 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 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 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 concerning 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 received notice of intellectual property, protected by patents, which may be required to implement this Recommendation. However, implementers are caut

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