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ITU-T G.872

Architecture of optical transport networks

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Organization: ITU-T
Publication Date: 1 December 2019
Status: active
Page Count: 40
scope:

This Recommendation describes the functional architecture of optical transport networks (OTNs) using the modelling methodology described in [ITU-T G.800], [ITU-T G.805] for the digital layer networks and [ITU-T G.807] for the optical media network. The OTN functionality is described from a network-level viewpoint. This takes into account the characteristic information (CI) of the clients of the OTN, the client/server layer associations, network topology, the optical media network structure, and the layer network functionalities that provide multiplexing, routing, supervision, performance assessment and network survivability for digital clients. The media portion of the network is described in terms of media constructs, media elements and optical signal maintenance entities described in [ITU-T G.807]. This Recommendation provides the functional description of OTN that support digital clients. The support of analogue signals as clients is outside the scope of this Recommendation.

Document History

January 1, 2021
Architecture of the optical transport network Amendment 1
This Recommendation describes the functional architecture of the optical transport network (OTN) using the modelling methodology described in [ITU-T G.800], [ITU-T G.805] for the digital layer...
ITU-T G.872
December 1, 2019
Architecture of optical transport networks
This Recommendation describes the functional architecture of optical transport networks (OTNs) using the modelling methodology described in [ITU-T G.800], [ITU-T G.805] for the digital layer networks...
January 1, 2017
Architecture of optical transport networks
This Recommendation describes the functional architecture of optical transport networks (OTNs) using the modelling methodology described in [ITU-T G.800] and [ITU-T G.805]. The OTN functionality is...
November 1, 2013
Architecture of optical transport networks Amendment 1
A description is not available for this item.
October 1, 2012
Architecture of optical transport networks
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...
July 1, 2010
Architecture of optical transport networks Amendment 2
A description is not available for this item.
January 1, 2005
Architecture of Optical Transport Networks Corrigendum 1 Series G: Transmission Systems and Media, Digital Systems and Networks Digital Networks - Optical Transport Networks
A description is not available for this item.
December 1, 2003
Architecture of optical transport networks Amendment 1 SERIES G: TRANSMISSION SYSTEMS AND MEDIA, DIGITAL SYSTEMS AND NETWORKS Digital networks – Optical transport networks
A description is not available for this item.
November 1, 2001
Architecture of Optical Transport Networks - Series G: Transmission Systems and Media, Digital Systems and Networks Digital Networks - Optical Transport Networks
This Recommendation describes the functional architecture of optical transport networks using the modelling methodology described in ITU-T Rec. G.805. The optical transport network functionality is...
February 1, 1999
Architecture of Optical Transport Networks - Series G: Transmission Systems and Media, Digital Systems and Networks Digital Transmission Systems - Digital Networks - Optical Transport Networks
A description is not available for this item.

References

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