SIST ETS 300 493 E1:2003

• Abstract:

  This final draft European Telecommunication Standard (ETS) addresses the management of the automatic protection switching within network element at the high and low order path layers. It covers the Sub Network Connection Protection (SNCP) as described in ITU-T Recommendations G.803 [2] and G.841 [4]. This ETS provides an information model, for the SNCP of Synchronous Digital Hierarchy (SDH) network. This model describes the managed object classes and their properties for the management of the sub network connection protection function for SDH network elements. These objects are relevant to information exchanged across standardised interfaces defined in the ITU T Recommendation M.3010 [1]. This ETS applies to SDH network elements which perform the sub network connection protection function and those systems in the Telecommunication Management Network (TMN) that manage SDH network elements. This ETS defines: - an information model, as related to the sub network connection protection function for the SDH. This ETS does not define: - the protocol stack to be used for message communication; - the network level management processes; - the application contexts; - the conformance requirements to be met by an implementation of this information model; - information models for other systems or equipment. The information model defined here (and the corresponding message set) is concerned with the management of network elements, the equipment by which they are implemented and the functions contained within them. More precisely, it applies to an equipment domain visible at the element manager to element interface and is only concerned with information available within that domain. Information proper to the domain of a network level management processris not included within this model.

• Status: Published
• Publication Date: 30-Nov-2003
• ICS: 33.040.20 - Transmission systems
• Technical Committee: SS EIT - Technical Board for the electrotechnical, information technology and telecommunications fields
• Current Stage: 6060 - National Implementation/Publication (Adopted Project)
• Start Date: 01-Dec-2003
• Due Date: 01-Dec-2003
• Completion Date: 01-Dec-2003
• Ref Project: ETSI ETS 300 493 ed.1 (1996-06) - Transmission and Multiplexing (TM); Synchronous Digital Hierarchy (SDH) information model of the Sub Network Connection Protection (SNCP) for the Network Element (NE) view

SIST ETS 300 493 E1:2003 specifies an information model for Sub Network Connection Protection (SNCP) in Synchronous Digital Hierarchy (SDH) network elements, viewed from the Network Element (NE) side. It comes from ETSI and is the Slovenian standard identical to ETS 300 493 Edition 1. In practice, it tells network and management-system engineers which managed objects, attributes and actions are used to manage automatic protection switching for SDH equipment.

What does SIST ETS 300 493 E1:2003 specify?

SIST ETS 300 493 E1:2003 covers management of automatic protection switching within a network element at the high and low order path layers. The document is limited to the SNCP function for SDH and is intended for SDH network elements and Telecommunication Management Network (TMN) systems that manage them.

The standard is organized into 10 clauses and one informative annex.

Part	What it covers
Annex A	Bibliography

The main body moves from scope and normative references to abbreviations, the SNCP management model, managed object class definitions, packages, attributes, actions, parameters and name bindings. That structure matters because it shows the model first, then the object classes and communication-related elements needed to implement it.

What are the key requirements of SIST ETS 300 493 E1:2003?

SIST ETS 300 493 E1:2003 defines an information model only; it does not define the protocol stack, network-level management processes, application contexts, conformance requirements, or models for other systems. For implementers, that means the document tells you what management information must exist, but not how to transport it or certify an implementation.

Management scope

Clause 1 restricts the model to the equipment domain visible at the element manager to element interface. It is concerned only with information available inside that domain, not with information belonging to network-level management. In practice, this keeps the model focused on element management tasks.

SNCP management model

Clause 4 points to the SDH SNCP requirements in ITU-T Recommendation G.774-04. This matters because the standard is the management information model that supports those protection requirements.

Managed object classes

Clause 5 names the managed object classes connectionProtectionGroup, connectionProtection, mpConnectionProtection and sncpFabric. The clause also states that connectionProtectionGroup can model an automatic 1+1 single ended protection system for SNCP. In practice, this gives implementers the object structure they need to represent protection relationships.

Packages, attributes and actions

Clause 6 defines holdOffTimePackage. Clause 7 lists the attributes holdOffTime, protectionCriteria and switchStatus. Clause 8 lists the actions protectedConnect and protectUnprotect. For a management system, these are the items that carry configuration, state and control of protection switching.

Parameters and name bindings

Clause 9 defines switchStatusParameter. Clause 10 defines the name bindings that relate connectionProtection, connectionProtectionGroup, mpConnectionProtection, sncpFabric, crossConnection and mpCrossConnection. These bindings matter because they show how the managed objects are associated in the model.

What terms does SIST ETS 300 493 E1:2003 define?

• SNCP - Sub Network Connection Protection: the SDH protection function managed by this standard.
• SDH - Synchronous Digital Hierarchy: the transport technology the model applies to.
• NE - Network Element: the equipment domain from which the management view is taken.
• TMN - Telecommunication Management Network: the management systems that use this model to supervise SDH equipment.
• APS - Automatic Protection Switching: the switching function that moves traffic to protection resources when required.
• connectionProtectionGroup: the object class used to model an automatic 1+1 single ended protection system.

Who uses SIST ETS 300 493 E1:2003?

SIST ETS 300 493 E1:2003 is used by SDH equipment vendors, TMN and element manager designers, and operators who manage protection switching in SDH networks. It is relevant where a management system has to represent, configure or monitor SNCP behavior in a network element. Buyers and quality teams use it to check whether a product supports the SNCP management information model expected for SDH network elements.

What changed in SIST ETS 300 493 E1:2003 from the previous edition?

SIST ETS 300 493 E1:2003 is identified as identical to ETS 300 493 Edition 1.

Which standards are used with SIST ETS 300 493 E1:2003?

• ITU-T Recommendation M.3010 - defines the principles for a telecommunications management network and frames the management information exchange.
• ITU-T Recommendation G.803 - provides the SDH transport network architecture background for the protection model.
• ITU-T Recommendation G.774-04 - supplies the SDH SNCP management requirements referenced by the model.
• ITU-T Recommendation G.841 - defines SDH protection architecture types and characteristics used by the SNCP context.

What does the SIST ETS 300 493 E1:2003 document contain?

The document contains a management-model specification centered on managed object classes, packages, attributes, actions, parameters and name bindings. It also includes a short foreword, a clause on normative references, an abbreviations list and an informative bibliography in Annex A. The body is arranged so that implementers can map SNCP behavior to object definitions and interface-relevant management information. Annex A gives background references for SDH, TMN and OSI management modeling.

SLOVENSKI STANDARD
01-december-2003
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Transmission and Multiplexing (TM); Synchronous Digital Hierarchy (SDH) information
model of the Sub Network Connection Protection (SNCP) for the Network Element (NE)
view
Ta slovenski standard je istoveten z: ETS 300 493 Edition 1
ICS:
33.040.20 Prenosni sistem Transmission systems
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN ETS 300 493
TELECOMMUNICATION June 1996
STANDARD
Source: ETSI TC-TM Reference: DE/TM-02216
ICS: 33.040.20
transmission, network, SDH, information model, protection, NE
Key words:
Transmission and Multiplexing (TM);
Synchronous Digital Hierarchy (SDH) information model
of the Sub Network Connection Protection (SNCP)
for the Network Element (NE) view
ETSI
European Telecommunications Standards Institute
ETSI Secretariat
F-06921 Sophia Antipolis CEDEX - FRANCE
Postal address:
650 Route des Lucioles - Sophia Antipolis - Valbonne - FRANCE
Office address:
c=fr, a=atlas, p=etsi, s=secretariat - [e-mail]
X.400: Internet:
Tel.: [phone] - Fax: [phone]
*
Copyright Notification: No part may be reproduced except as authorized by written permission. The copyright and the
foregoing restriction extend to reproduction in all media.
© European Telecommunications Standards Institute 1996. All rights reserved.

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ETS 300 493: June 1996
Whilst every care has been taken in the preparation and publication of this document, errors in content,
typographical or otherwise, may occur. If you have comments concerning its accuracy, please write to
"ETSI Editing and Committee Support Dept." at the address shown on the title page.

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ETS 300 493: June 1996
Contents
Foreword .5
1 Scope .7
2 Normative references.7
3 Abbreviations.8
4 Sub network connection protection management model .8
5 Managed object class definitions .8
6 Packages.8
7 Attributes .9
8 Actions.9
9 Parameters.9
10 Name bindings .9
Annex A (informative): Bibliography.10
History.11

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ETS 300 493: June 1996
Blank page
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ETS 300 493: June 1996
Foreword
This European Telecommunication Standard (ETS) has been produced by the Transmission and
Multiplexing (TM) Technical Committee of the European Telecommunications Standards Institute (ETSI).
This ETS describes the information model for the management of Sub Network Connection Protection
(SNCP) of Synchronous Digital Hierarchy (SDH) sub network.
Transposition dates
Date of adoption of this ETS: 10 May 1996
Date of latest announcement of this ETS (doa): 30 September 1996
Date of latest publication of new National Standard
or endorsement of this ETS (dop/e): 31 March 1997
Date of withdrawal of any conflicting National Standard (dow): 31 March 1997

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ETS 300 493: June 1996
Blank page
Page 7
ETS 300 493: June 1996
1 Scope
This European Telecommunication Standard (ETS) addresses the management of the automatic
protection switching within network element at the high and low order path layers. It covers the Sub
Network Connection Protection (SNCP) as described in ITU-T Recommendations G.803 [2] and
G.841 [4].
This ETS provides an information model, for the SNCP of Synchronous Digital Hierarchy (SDH) network.
This model describes the managed object classes and their properties for the management of the sub
network connection protection function for SDH network elements. These objects are relevant to
information exchanged across standardised interfaces defined in the ITU-T Recommendation M.3010 [1].
This ETS applies to SDH network elements which perform the sub network connection protection function
and those systems in the Telecommunication Management Network (TMN) that manage SDH network
elements.
This ETS defines:
- an information model, as related to the sub network connection protection function for the SDH.
This ETS does not define:
- the protocol stack to be used for message communication;
- the network level management processes;
- the application contexts;
- the conformance requirements to be met by an imp
...