ITU-T Y.1704-2001 Distributed Call and Connection Management (DCM)

pdf标准 ITU-T Y.1704-2001 Distributed Call and Connection Management (DCM)

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INTERNATIONAL TELECOMMUNICATION UNION ITU-T G.7713/Y.1704 TELECOMMUNICATION STANDARDIZATION SECTOR OF ITU (12/2001) SERIES G: TRANSMISSION SYSTEMS AND MEDIA, DIGITAL SYSTEMS AND NETWORKS Digital terminal equipments – Operations, administration and maintenance features of transmission equipment SERIES Y: GLOBAL INFORMATION INFRASTRUCTURE AND INTERNET PROTOCOL ASPECTS Internet protocol aspects – Operation, administration and maintenance Distributed call and connection management (DCM) ITU-T Recommendation G.7713/Y.1704 ITU-T G-SERIES RECOMMENDATIONS TRANSMISSION SYSTEMS AND MEDIA, DIGITAL SYSTEMS AND NETWORKS INTERNATIONAL TELEPHONE CONNECTIONS AND CIRCUITS GENERAL CHARACTERISTICS COMMON TO ALL ANALOGUE CARRIERTRANSMISSION SYSTEMS INDIVIDUAL CHARACTERISTICS OF INTERNATIONAL CARRIER TELEPHONE SYSTEMS ON METALLIC LINES GENERAL CHARACTERISTICS OF INTERNATIONAL CARRIER TELEPHONE SYSTEMS ON RADIO-RELAY OR SATELLITE LINKS AND INTERCONNECTION WITH METALLIC LINES COORDINATION OF RADIOTELEPHONY AND LINE TELEPHONY TESTING EQUIPMENTS TRANSMISSION MEDIA CHARACTERISTICS DIGITAL TERMINAL EQUIPMENTS DIGITAL NETWORKS DIGITAL SECTIONS AND DIGITAL LINE SYSTEM QUALITY OF SERVICE AND PERFORMANCE TRANSMISSION MEDIA CHARACTERISCTICS DIGITAL TERMINAL EQUIPMENTS General Coding of analogue signals by pulse code modulation Coding of analogue signals by methods other than PCM Principal characteristics of primary multiplex equipment Principal characteristics of second order multiplex equipment Principal characteristics of higher order multiplex equipment Principal characteristics of transcoder and digital multiplication equipment Operations, administration and maintenance features of transmission equipement Principal characteristics of multiplexing equipment for the synchronous digital hierarchy Other terminal equipment For further details, please refer to the list of ITU-T Recommendations. G.100–G.199 G.200–G.299 G.300–G.399 G.400–G.449 G.450–G.499 G.500–G.599 G.600–G.699 G.700–G.799 G.800–G.899 G.900–G.999 G.1000–G.1999 G.6000–G.6999 G.7000–G.7999 G.7000–G.7099 G.7100–G.7199 G.7200–G.7299 G.7300–G.7399 G.7400–G.7499 G.7500–G.7599 G.7600–G.7699 G.7700–G.7799 G.7800–G.7899 G.7900–G.7999 ITU-T Recommendation G.7713/Y.1704 Distributed call and connection management (DCM) Summary This Recommendation provides the requirements for the distributed call and connection management for both the User Network Interface (UNI) and the Network Node Interface (NNI). The requirements in this Recommendation specify the communications across interfaces to effect automated call operations and connection operations. Items covered in this Recommendation include: – Attribute specifications; – Message specifications; – Signal flows; – DCM state diagrams; – Management of DCM. This Recommendation does not cover any aspects related to routing or automatic discovery. Source ITU-T Recommendation G.7713/Y.1704 was prepared by ITU-T Study Group 15 (2001-2004) and approved under the WTSA Resolution 1 procedure on 5 December 2001. This Recommendation forms part of a suite of Recommendations covering the full functionality of the automatic switched transport network (ASTN). History Version 1.0 Notes Version 1 of G.7713/Y.1704 Keywords Automatic Switched Optical Network, Automatic Switched Transport Network, Connection Operations, Distributed Call and Connection Management, Exterior Network-Node Interface, Interior Network-Node Interface, User Network Interface. ITU-T Rec. G.7713/Y.1704 (12/2001) i FOREWORD The International Telecommunication Union (ITU) is the United Nations specialized agency in the field of telecommunications. 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. 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

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