SIST-TP TR 101 311 V1.1.1:2004

• Abstract:

  This report collects requirements on the transport plane (comprising the transport abstraction layer and the services it derives from the underlying network abstraction layer and any associated physical networks) for the TIPHON service. This service comprises of interworked voice and voice-band communication for the earlier releases of TIPHON and may grow to multi-media between the SCN and IP-based networks. Realizing these services express requirements on the transport abstraction layer that have not been design issues when IP was created. This document captures the TIPHON requirements that have been created in the several working groups as well as interaction between those requirements.

• Status: Published
• Publication Date: 31-Mar-2004
• ICS: 33.020 - Telecommunications in general
• Technical Committee: SPN - Services and Protocols for Networks
• Current Stage: 6060 - National Implementation/Publication (Adopted Project)
• Start Date: 01-Apr-2004
• Due Date: 01-Apr-2004
• Completion Date: 01-Apr-2004
• Ref Project: ETSI TR 101 311 V1.1.1 (2001-06) - Telecommunications and Internet Protocol Harmonization Over Networks (TIPHON) Release 3; Service Independent requirements definition; Transport Plane

SIST-TP TR 101 311 V1.1.1:2004 is the Slovenian version of ETSI TR 101 311 V1.1.1 on TIPHON Release 3 transport-plane requirements. It specifies what the TIPHON transport plane must provide for signalling and media transport, including the transport abstraction layer and its relationship to the underlying network abstraction layer. The document is aimed at people planning or operating TIPHON-style communications across SCN and IP-based networks.

What does SIST-TP TR 101 311 V1.1.1:2004 specify?

SIST-TP TR 101 311 V1.1.1:2004 specifies requirements for TIPHON Transport Plane capabilities. It focuses on end-to-end communications where multiple networks and network technologies interwork, and it ties those requirements to the TIPHON Application Plane through service-independent requirements.

The document is organized into a short introduction and one main requirements clause. Its main parts are:

• Clause 1 Scope
• Clause 2 References
• Clause 3 Definitions and abbreviations
• Clause 4 Introduction to the TIPHON transport plane
• Clause 5 Requirements, with subclauses for transport capabilities, deployment specific policies, core requirements, transport quality, media QoS, interconnection of transport domains, security, and operational requirements

In practice, this means the report is about transport behavior, not about service applications themselves. It explains how transport support should behave for signalling, media, quality of service, security, and cross-domain operation.

What are the key requirements of SIST-TP TR 101 311 V1.1.1:2004?

The core message of SIST-TP TR 101 311 V1.1.1:2004 is that the TIPHON transport plane must support signalling and media across different domains while hiding network differences from the application where possible. Clause 5 turns that into requirements on transport capability, QoS, interconnection, security, and maintenance.

Transport capability and policy

Clause 5.1 defines three generic transport capabilities: best effort packet transport, QoS-enabled packet transport for media, and QoS-enabled packet transport for signalling. Clause 5.2 allows local policy choices such as QoS mechanisms, addressing, access control, admission control, transport mechanism, and policing. For implementers, this means the standard is technology-aware but leaves room for deployment policy if the overall transport behavior is met.

Abstraction and identity

Clause 5.3 requires the Transport Abstraction Layer to abstract away underlying transport technologies and policy differences between domains. It also states that transport addresses need not be globally unique, only unique within the same domain. The same clause requires unique identification of signalling entities, a unique terminal ID for access control, legal intercept and lifeline services, and a reference point for physical location. In practice, this supports routing, trust, lawful handling, and location-based services.

Transport quality and media QoS

Clause 5.4 covers flow requests with or without QoS control, mapping between transport-independent and transport-dependent QoS descriptions, and reservations at several endpoint or port granularity levels. It also requires low-delay, reliable signalling transport, error detection in signalling units, and congestion detection with notification where possible. Clause 5.5 adds media QoS behavior: statistically guaranteed bandwidth with bounded delay, loss and jitter, plus a monitoring function and support for static or dynamic QoS operation. For the reader, this is the part that drives capacity planning and performance monitoring.

Interconnection, security, and operation

Clause 5.6 addresses interconnection of transport domains, including technical mechanisms for agreed transport QoS and operation across separate network domains. Clause 5.7 covers legal interception, confidentiality of media and address/location information, integrity, accountability, authentication, denial of service resistance, access control, and packet/service access control. Clause 5.8 requires maintainability, meaning signalling paths can be added or removed without interrupting transport between two nodes. In practice, these clauses matter for peering, compliance, protection of users and operators, and live network changes.

What terms does SIST-TP TR 101 311 V1.1.1:2004 define?

• administrative domain - a bounded entity whose elements are under common ownership, operation and management.
• domain - the result of applying specific policies to a specific network technology.
• signalling entity - an element that can send signalling information, such as a terminal, router, or service element.
• transport domain - an implementation of the transport plane functionality.
• Transport Abstraction Layer - the layer that provides domain-independent capabilities derived from the underlying Network Abstraction Layer.
• QoS - Quality of Service, meaning the transport performance level relevant to delay, loss, jitter, and bandwidth behavior.
• SLA - Service Level Agreement, used for agreed service or inter-network performance conditions.
• IP - Internet Protocol.

Who uses SIST-TP TR 101 311 V1.1.1:2004?

SIST-TP TR 101 311 V1.1.1:2004 is used by network operators, network providers, access providers, and TIPHON project engineers who need to define or implement transport behavior for telephony services. It is also relevant to application domains, transport domains, and end-users or enterprises that depend on signalling paths, media transport, QoS, or inter-domain operation.

The document is practical for people who must decide how transport resources are assigned, how QoS is mapped, how signalling is identified, and how security or lawful interception is handled. It also supports business and regulatory planning in commercial deployments.

Which standards are used with SIST-TP TR 101 311 V1.1.1:2004?

Clause 2 names these references:

• ETSI TR 101 877 - provides the study on scope and requirements for a Simple call, which anchors the requirements work.
• ETSI TR 101 835 - gives the TIPHON project method definition used to structure the service-independent requirements.
• ETSI TS 101 329-4 - supplies the QoS management model referenced for monitoring whether QoS levels are being met.
• ITU-T Recommendation Y.1310 - gives guidelines for interconnection between transport networks, especially for achieving agreed QoS across domains.

What does the SIST-TP TR 101 311 V1.1.1:2004 document contain?

The document contains a model of the TIPHON network and service environment, including figures for the two-plane architecture and the transport plane context. It then develops the transport-plane requirements in clause 5, grouped by capability, policy, core behavior, transport quality, media QoS, interconnection, security, and operational maintenance.

For engineering work, the document is useful for design reviews, interconnect planning, QoS mapping, security analysis, and requirement traceability. For operational teams, it provides the transport behaviors that need to be supported when adding services, changing signalling paths, or linking multiple network domains.

SLOVENSKI STANDARD
01-april-2004
Harmonizacija telekomunikacij in internetnega protokola prek omrežij (TIPHON), 3.
izdaja - Definicija zahtev neodvisne storitve - Transportna ravnina
Telecommunications and Internet Protocol Harmonization Over Networks (TIPHON)
Release 3; Service Independent requirements definition; Transport Plane
Ta slovenski standard je istoveten z: TR 101 311 Version 1.1.1
ICS:
33.020 Telekomunikacije na splošno Telecommunications in
general
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

Technical Report
Telecommunications and Internet Protocol
Harmonization Over Networks (TIPHON) Release 3;
Service Independent requirements definition;
Transport Plane
2 ETSI TR 101 311 V1.1.1 (2001-06)
Reference
DTR/TIPHON-01006
Keywords
IP, transport, voice, VoIP
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ETSI
3 ETSI TR 101 311 V1.1.1 (2001-06)
Contents
Intellectual Property Rights .4
Foreword.4
1 Scope.5
2 References.5
3 Definitions and abbreviations.5
3.1 Definitions . 5
3.2 Abbreviations. 5
4 Introduction to the TIPHON transport plane.6
4.1 Functionality in the transport plane. 7
4.2 Assumed business models. 7
5 Requirements.8
5.1 Transport Capabilities. 8
5.2 Deployment specific policies . 8
5.3 Core requirements . 8
5.4 Transport Quality . 9
5.5 Media Quality of Service. 9
5.6 Interconnection of Transport Domains. 9
5.7 Security. 10
5.8 Operational Requirements . 10
History .11
ETSI
4 ETSI TR 101 311 V1.1.1 (2001-06)
Intellectual Property Rights
IPRs essential or potentially essential to the present document may have been declared to ETSI. The information
pertaining to these essential IPRs, if any, is publicly available for ETSI members and non-members, and can be found
in ETSI SR 000 314: "Intellectual Property Rights (IPRs); Essential, or potentially Essential, IPRs notified to ETSI in
respect of ETSI standards", which is available from the ETSI Secretariat. Latest updates are available on the ETSI Web
server (http://www.etsi.org/ipr).
Pursuant to the ETSI IPR Policy, no investigation, including IPR searches, has been carried out by ETSI. No guarantee
can be given as to the existence of other IPRs not referenced in ETSI SR 000 314 (or the updates on the ETSI Web
server) which are, or may be, or may become, essential to the present document.
Foreword
This Technical Report (TR) has been produced by ETSI Project Telecommunications and Internet Protocol
Harmonization Over Networks (TIPHON).
ETSI
5 ETSI TR 101 311 V1.1.1 (2001-06)
1 Scope
The present document describes the requirements for TIPHON Transport Plane capabilities as identified in [1].
2 References
For the purposes of this Technical Report (TR) the following references apply:
[1] ETSI TR 101 877: "Telecommunications and Internet Protocol Requirements Definition Study;
Scope and Requirements for a Simple call".
[2] ETSI TR 101 835: "Telecommunications and Internet Protocol Harmonization over Networks
(TIPHON); Project method definition".
[3] ETSI TS 101 329-4: "Telecommunications and Internet protocol Harmonization Over Networks
(TIPHON) Release 4; Functional Entities, Reference Points and Information Flows Definition;
Part 4: Quality of Service Management".
[4] ITU-T Recommendation Y.1310: "Transport of IP over ATM in public networks".
3 Definitions and abbreviations
3.1 Definitions
For the purposes of the present document, the following terms and definitions apply:
administrative domain: bounded entity within which all encompassed constituent elements are under common
ownership, operation and management
domain: result of the application of specific policies to a specific network technology
signalling entity: element capable of sending signalling information
For instance terminal, router, service element.
transport domain: implementation of the transport plane functionality
Transport Abstraction Layer: provides a set of domain independent capabilities derived from the underlying Network
Abstraction Layer in response to the transport and connectivity requirements of the Service Abstraction Layer
3.2 Abbreviations
For the purposes of the present document, the following abbreviations apply:
IP Internet Protocol
MLPS Multi Protocol Label Switching
QoS Quality of Service
SCTP Secure TRansport Control Protocol
SLA Service Level Agreement
TCP Transport Control Protocol
UDP User Datagram Protocol
ETSI
6 ETSI TR 101 311 V1.1.1 (2001-06)
4 Introduction to the TIPHON transport plane
The TIPHON environment addresses the case where multiple networks, possibly employing differing network
technologies, inter-work to provide end-to-end communications services as shown in figure 1.
This model supports the different business roles found within the heterogeneous communications environment
envisaged by TIPHON (see annex A of [1]) and commonly found in modern public communications networks.
TIPHON Application Plane
Service Application Layer
Service Abstraction Layer
Transport
Plane/Application
Plane Interface
Transport Abstraction Layer
Network Abstraction Layer
Terminal Access Transit Transit Access Terminal
Domain #1 Domain#1 Domain#1 Domain#2 Domain#2 Domain #2
TIPHON Transport Plane
Figure 1: The TIPHON network and service environment model.
The TIPHON network and service environment model is separated into two planes that exist across the various network
domains encountered in the end-to-end communications path. These two planes connect with a Management Plane,
shown in figure 2, which exists outside of the TIPHON network and service environment.
SCN Plane
Transport plane
TIPHON Application Plane
TIPHON Transport
Figure 2: TIPHON planes
ETSI
7 ETSI TR 101 311 V1.1.1 (2001-06)
As shown, the upper plane comprises the Service Application and Service Abstraction Layers and is termed the
TIPHON Application Plane. This plane addresses the implementation of end-to-end communications applications. The
lower plane includes the Transport and Network Abstraction Layers and is termed the TIPHON Transport Plane. The
TIPHON Transport Plane provides domain independent communications capabilities to the TIPHON Application Plane.
Requirements placed upon the TIPHON Transport Plane by the TIPHON Application Plane are expressed in Service
Independent Requirements documents in accordance with the TIPHON project method [2].
The present document describes sets of Servi
...