ITU-T G.872-2012
光传送网的体系结构.15号研究组

Architecture of optical transport networks (Study Group 15)

标准号

ITU-T G.872-2012

发布

2012年

发布单位

国际电信联盟

 

 

引用标准

ITU-T G.698.1-2009 ITU-T G.698.2-2009 ITU-T G.707-2007 ITU-T G.709 ITU-T G.7712-2010 ITU-T G.798-2010 ITU-T G.800-2012 ITU-T G.805-2000 ITU-T G.8080-2012 ITU-T G.870 ITU-T G.873.1-2011 ITU-T G.873.2-2012 ITU-T G694.1-2012

被代替标准

ITU-T G.872 AMD 2-2010

适用范围

This Recommendation describes the functional architecture of optical transport networks using the modelling methodology described in [ITU-T G.800] and [ITU-T G.805]. The optical transport network (OTN) functionality is described from a network level viewpoint, taking into account an optical network layered structure, client characteristic information, client/server layer associations, networking topology, and layer network functionality providing optical signal transmission, multiplexing, routing, supervision, performance assessment and network survivability. The optical portion of the network is described in terms of spectrum management entities and maintenance entities. This Recommendation is restricted to the functional description of optical transport networks that support digital signals. The support of analogue or mixed digital/analogue signals is outside the scope of this Recommendation.

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