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ITU-T G.873.1

Optical transport network (OTN): Linear protection

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Organization: ITU-T
Publication Date: 1 May 2014
Status: inactive
Page Count: 36
scope:

This Recommendation defines the automatic protection switching (APS) protocol and protection switching operation for the linear protection schemes for the optical transport network (OTN) at the optical channel data unit k (ODUk) level. These schemes are based on the generic linear protection specifications in [ITU-T G.808.1]. Linear protection schemes considered in this Recommendation are:

- ODUk subnetwork connection protection with inherent monitoring (1+1, 1:n);

- ODUk subnetwork connection protection with non-intrusive monitoring (1+1);

- ODUk subnetwork connection protection with sublayer monitoring (1+1, 1:n)

- ODUk compound link subnetwork connection group protection with inherent monitoring (1+1, 1:1).

In addition, client-related protection architectures are described.

Document History

G.873.1 AMD 1
February 1, 2022
Optical transport network: Linear protection Amendment 1
This Recommendation defines the automatic protection switching (APS) protocol and protection switching operation for linear protection schemes of the optical transport network (OTN) at the optical...
ITU-T G.873.1
March 1, 2020
Optical transport network: Linear protection Corrigendum 1
A description is not available for this item.
ITU-T G.873.1
October 1, 2017
Optical transport network: Linear protection
This Recommendation defines the automatic protection switching (APS) protocol and protection switching operation for the linear protection schemes for the optical transport network (OTN) at the...
G.873.1 AMD 1
December 1, 2014
(Pre-Published) Optical Transport Network (OTN): Linear protection Amendment 1
A description is not available for this item.
ITU-T G.873.1
May 1, 2014
Optical transport network (OTN): Linear protection
This Recommendation defines the automatic protection switching (APS) protocol and protection switching operation for the linear protection schemes for the optical transport network (OTN) at the...
ITU-T G.873.1
October 1, 2012
Optical Transport Network (OTN): Linear protection Amendment 1
A description is not available for this item.
ITU-T G.873.1
July 1, 2011
Optical Transport Network (OTN): Linear protection
This Recommendation defines the APS protocol and protection switching operation for the linear protection schemes for the Optical Transport Network at the Optical Channel Data Unit (ODUk) level....
ITU-T G.873.1
March 1, 2006
Optical Transport Network (OTN): Linear protection
A description is not available for this item.
ITU-T G.873.1
March 1, 2003
Optical Transport Network (OTN): Linear protection SERIES G: TRANSMISSION SYSTEMS AND MEDIA, DIGITAL SYSTEMS AND NETWORKS Digital networks – Optical transport networks
A description is not available for this item.
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References

This document references:
ITU-T G.709 - Interfaces for the optical transport network
Published by ITU-T on June 1, 2020
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...
This document references:
ITU-T G.872 - Architecture of the optical transport network Amendment 1
Published by ITU-T on January 1, 2021
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...
This document references:
ITU-T Y.1331 - Interfaces for the optical transport network
Published by ITU-T on June 1, 2020
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...
This document references:
ITU-T Y.1352 - Terms and definitions for optical transport networks
Published by ITU-T on November 1, 2016
A description is not available for this item.
This document references:
ITU-T G.872 - Architecture of the optical transport network Amendment 1
Published by ITU-T on January 1, 2021
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...
This document references:
ITU-T G.870 - Terms and definitions for optical transport networks
Published by ITU-T on November 1, 2016
This Recommendation contains a listing of the terms that are broadly used in the Recommendations associated with optical transport networks (OTNs). In the previous editions, [ITU-T G.870] collected...
This document references:
ITU-T G.841 - Types and Characteristics of SDH Network Protection Architectures - Series G: Transmission Systems and Media, Digital Systems and Networks Digital Transmission Systems - Digital Networks - SDH Network Characteristics
Published by ITU-T on October 1, 1998
A description is not available for this item.
This document references:
ITU-T G.709 - Interfaces for the optical transport network
Published by ITU-T on June 1, 2020
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...
This document is referenced by:
ITU-T G.798 - Characteristics of optical transport network hierarchy equipment functional blocks
Published by ITU-T on December 1, 2017
This Recommendation covers the functional requirements of optical transport network functionality within equipment. This Recommendation uses the specification methodology defined in [ITU-T G.806], in...
This document is referenced by:
G.874 AMD 1 - Management aspects of optical transport network elements Amendment 1
Published by ITU-T on November 1, 2022
This Recommendation addresses management aspects of optical transport network (OTN) elements containing transport functions of one or more layer networks of the OTN as described in [ITU-T G.709]. The...
This document is referenced by:
ITU-T G.808.1 - Generic protection switching – Linear trail and subnetwork protection
Published by ITU-T on May 1, 2014
This Recommendation provides an overview of generic aspects of linear protection switching. It covers protection schemes applicable to circuit-switched and packet-switched layer networks; e.g.,...
This document is referenced by:
ITU-T G.808.1 - Generic protection switching – Linear trail and subnetwork protection
Published by ITU-T on May 1, 2014
This Recommendation provides an overview of generic aspects of linear protection switching. It covers protection schemes applicable to circuit-switched and packet-switched layer networks; e.g.,...
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