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TEMPORARY DOCUMENT Optical Transport Networks 临时文件的传输网络.doc

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TEMPORARY DOCUMENT Optical Transport Networks 临时文件的传输网络

Optical Transport Networks Technologies Standardization Work Plan Issue 7, February 2006 1. General Optical Transport Networks Technologies Standardization Work Plan is a living document. It may be updated even between meetings. The latest version can be found at the following URL. /itudoc/itu-t/com15/otn/index.html Proposed modifications and comments should be sent to: Hiroshi Ohta ohta.hiroshi@lab.ntt.co.jp Tel. +81 422 59 3617 Fax. +81 422 59 5636 2. Introduction Todays global communications world has many different definitions for optical transport networks and many different technologies that support them. This has resulted in a number of different Study Groups within the ITU-T, e.g. SG 4, 11, 12, 13, 15 developing Recommendations related to optical transport. Moreover, other standards bodies, forums and consortia are also active in this area. Recognising that without a strong coordination effort there is the danger of duplication of work as well as the development of incompatible and non-interoperable standards, WTSA-04 designated Study Group 15 as Lead Study Group on Optical Technology, with the mandate to: study the appropriate core Questions (Question 6, 7, 9, 11, 12, 13 and 14/15), define and maintain overall (standards) framework, in collaboration with other SGs and standards bodies), coordinate, assign and prioritise the studies done by the Study Groups (recognising their mandates) to ensure the development of consistent, complete and timely Recommendations, Study Group 15 entrusted WP 3/15, under Question 3/15, with the task to manage and carry out the Lead Study Group activities on Optical Technology. To maintain differentiation from the standardized Optical Transport Network (OTN) based on Recommendation G.872, this Lead Study Group Activity is titled Optical Transport Networks Technologies (OTNT). 3. Scope As the mandate of this Lead Study Group role implies, the standards area covered relates to optical transport networks and technologies. Th