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ITU-T G.709

Interfaces for the optical transport network

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Organization: ITU-T
Publication Date: 1 June 2020
Status: active
Page Count: 280
scope:

The optical transport network (OTN) supports the operation and management aspects of optical networks of various architectures, e.g., point-to-point, ring and mesh architectures.

This Recommendation defines the interfaces of the OTN to be used within and between subnetworks of the optical network, in terms of:

- OTN hierarchy;

- functionality of the overhead in support of multi-wavelength optical networks;

- frame structures;

- bit rates;

- formats for mapping client signals.

Functions and process flows associated with the defined interfaces are specified in [ITU-T G.798].

The interfaces defined in this Recommendation can be applied at user-to-network interfaces (UNI) and network node interfaces (NNI) of the OTN.

Document History

December 1, 2020
Interfaces for the optical transport network Amendment 1
The optical transport network (OTN) supports the operation and management aspects of optical networks of various architectures, e.g., point-to-point, ring and mesh architectures. This Recommendation...
ITU-T G.709
June 1, 2020
Interfaces for the optical transport network
The optical transport network (OTN) supports the operation and management aspects of optical networks of various architectures, e.g., point-to-point, ring and mesh architectures. This Recommendation...
November 1, 2019
Interfaces for the optical transport network Corrigendum 2
A description is not available for this item.
March 1, 2019
Interfaces for the optical transport network
A description is not available for this item.
August 1, 2017
Interfaces for the optical transport network Corrigendum 1
A description is not available for this item.
November 1, 2016
Interfaces for the optical transport network
A description is not available for this item.
June 1, 2016
Interfaces for the optical transport network
The optical transport network (OTN) supports the operation and management aspects of optical networks of various architectures, e.g., point-to-point, ring and mesh architectures. This Recommendation...
January 1, 2015
Interfaces for the optical transport network (OTN) Amendment 4
A description is not available for this item.
January 1, 2015
Interfaces for the optical transport network Corrigendum 2
A description is not available for this item.
January 29, 2014
Interfaces for the optical transport network
A description is not available for this item.
October 1, 2013
Interfaces for the optical transport network Amendment 2
A description is not available for this item.
February 1, 2012
Interfaces for the Optical Transport Network
A description is not available for this item.
July 1, 2010
Interfaces for the Optical Transport Network (OTN) Amendment 1
The optical transport hierarchy (OTH) supports the operation and management aspects of optical networks of various architectures, e.g., point-to-point, ring and mesh architectures. This...
July 1, 2010
Interfaces for the Optical Transport Network (OTN) Corrigendum 1
The optical transport hierarchy (OTH) supports the operation and management aspects of optical networks of various architectures, e.g., point-to-point, ring and mesh architectures. This...
May 4, 2010
Interfaces for the Optical Transport Network (OTN)
The optical transport hierarchy (OTH) supports the operation and management aspects of optical networks of various architectures, e.g., point-to-point, ring and mesh architectures. This...
December 1, 2009
Interfaces for the Optical Transport Network (OTN)
The optical transport hierarchy (OTH) supports the operation and management aspects of optical networks of various architectures, e.g., point-to-point, ring and mesh architectures. This...
January 1, 2009
Interfaces for the Optical Transport Network (OTN) Corrigendum 2
FOREWORD The International Telecommunication Union (ITU) is the United Nations specialized agency in the field of telecommunications, information and communication technologies (ICTs). The ITU...
November 1, 2007
Interfaces for the Optical Transport Network (OTN)
A description is not available for this item.
November 1, 2007
Interfaces for the Optical Transport Network (OTN) Amendment 2
A description is not available for this item.
December 1, 2006
Interfaces for the Optical Transport Network (OTN) Corrigendum 1
A description is not available for this item.
March 1, 2003
Interfaces for the optical transport network (OTN) SERIES G: TRANSMISSION SYSTEMS AND MEDIA, DIGITAL SYSTEMS AND NETWORKS Digital terminal equipments – General
The optical transport hierarchy (OTH) supports the operation and management aspects of optical networks of various architectures, e.g., point-to-point, ring and mesh architectures. This...
November 1, 2001
Interfaces for the Optical Transport Network (OTN) Series G: Transmission Systems and Media, Digital Systems and Networks Digital Terminal Equipments - General
A description is not available for this item.
January 1, 1993
Synchronous Multiplexing Structure - General Aspects of Digital Transmission System (Study Group XVIII) 57 pp
A description is not available for this item.
January 1, 1991
Synchronous Multiplexing Structure (Study Group XVIII) 60 pp
A description is not available for this item.
January 1, 1989
Synchronous Multiplexing Structure - General Aspects of Digital Transmission Systems; Terminal Equipments (Study Groups XV and XVIII) 54 pp
A description is not available for this item.

References

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