SIST ETS 300 399-3 E1:2003

• Abstract:

  This part of a multi-part ETS defines the Frame Relay Data Transmission Service.

• Status: Published
• Publication Date: 30-Nov-2003
• ICS: 33.040.01 - Telecommunication systems in general
• ICS: 33.080 - Integrated Services Digital Network (ISDN)
• 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 300 399-3 ed.1 (1995-01) - Frame relay services; Part 3: Frame relay data transmission service; Service definition

SIST ETS 300 399-3 E1:2003 is the Slovenian adoption of ETS 300 399-3 Edition 1 from ETSI. It specifies the network-specific aspects of the frame relay data transmission service. The document is aimed at network operators, planners, and equipment designers who need the service definition, supported classes, and interface rules.

What does SIST ETS 300 399-3 E1:2003 specify?

SIST ETS 300 399-3 E1:2003 defines frame relay data transmission service for networks that offer the service over an unstructured user-network interface. It is organized into clauses for scope, references, definitions, abbreviations, the general service definition, service description, service classes, procedures, charging capabilities, interworking, attributes, dynamic description, and numbering plan, plus informative Annex A with a bibliography.

This Part is used together with ETS 300 399-1 for the common frame relay service material. In practice, that means this document focuses on the network-specific service definition while the companion part provides shared baseline content.

What are the key requirements of SIST ETS 300 399-3 E1:2003?

• The service carries Core Service Data Units (CSDU) between user-network interfaces. Clause 5 says the network routes each unit using a local label called the Data Link Connection Identifier (DLCI), and the order of units is preserved per DLCI. In practice, users can build frame relay virtual circuits to multiple destinations without losing sequence within each circuit.

• The service is described as both permanent and on-demand, depending on the class. Table 1 lists service classes P, 1, 2, A, and B, with combinations for permanent layer 2, permanent or on-demand layer 1, and on-demand cases A and B. For buyers and planners, this is the part that tells them which connection model to request or support.

• Connection monitoring for classes 1 and 2 uses Q.933 annex A or annex B. That matters because the network and the terminal equipment must match the chosen signalling and monitoring variant. The note in Table 1 also makes clear that a network is not required to offer every service or every valid combination.

• The transfer attributes are frame-based, symmetric, and point-to-point. Table 2 specifies frame transfer mode, unrestricted transfer capability, service data unit integrity, bi-directional symmetry, and point-to-point configuration. In practice, equipment must preserve the service data unit and support a two-way point-to-point service model rather than a broadcast model.

• The access protocols are defined by layer. Table 2 ties information access layer 2 to Q.922 core functions, and it adds user-specific layer 2 where interworking with X.25 is required. For signalling, permanent access may use none or Q.933, while case A uses Q.933. This tells implementers which protocol stack to support at the interface.

• The physical layer options are examples, not mandatory offerings. Clause 11.2 lists access rates from 64 kbit/s up to 155.52 Mbit/s and maps them to interfaces such as G.703, G.704, V.35, X.21, STM-1, and optical STM interfaces. For design and procurement, this is the section that narrows the access technology and line rate to the network in question.

• Numbering can follow either E.164 or X.121. Clause 13 says the numbering plan is service-provider dependent. In practice, the provider chooses the numbering scheme used to address the service.

What terms does SIST ETS 300 399-3 E1:2003 define?

• CRC - Cyclic Redundancy Check, the error-checking term used in related framing and interface work.
• CSDU - Core Service Data Unit, the data unit transferred by the service.
• DLCI - Data Link Connection Identifier, the local label used to route frames through the network.
• QoS - Quality of Service, the service quality term used when describing performance.
• STM-N - Synchronous Transport Module - N, the generic name for the synchronous transport levels mentioned in the document.

Who uses SIST ETS 300 399-3 E1:2003?

SIST ETS 300 399-3 E1:2003 is used by public network operators, frame relay service providers, telecom equipment vendors, and system integrators. It is also relevant to interface designers and technical buyers who must decide which service class, access rate, signalling option, and physical interface to support.

Which standards are used with SIST ETS 300 399-3 E1:2003?

• ETS 300 399-1 - provides the common frame relay service content, including the general description, procedures, charging capabilities, and interworking references used throughout this Part.
• Q.922 - supplies the ISDN data link layer specification used for frame mode bearer services.
• Q.933 - supplies the layer 3 signalling used for frame mode bearer service, including the annex A and B monitoring references.
• E.164 and X.121 - provide the numbering plans that Clause 13 allows for the service.
• G.703, G.704, and G.957 - define the physical and optical interface characteristics used for the access side examples.
• V.24, V.28, V.35, X.21, X.24, ISO 2593, and ISO 4903 - define electrical characteristics, interchange circuits, and connector or pin assignments for supported interfaces.
• X.25 - appears in the access protocol table where user-specific layer 2 is needed for interworking with X.25.

What does the SIST ETS 300 399-3 E1:2003 document contain?

The document contains two main tables that are central to implementation and procurement. Table 1 sets out the service classes and valid service associations, while Table 2 lists the service attributes and access protocol mappings.

Clause 11.2 adds example access rates and links them to interface families such as G.703, G.704, V.35, X.21, and optical STM options. Clause 13 sets the numbering plan framework, and Annex A provides a bibliography for related work.

SLOVENSKI STANDARD
01-december-2003
Storitve blokovnega posredovanja – 3. del: Storitev podatkovnega prenosa pri
blokovnem posredovanju – Definicija storitve
Frame relay services; Part 3: Frame relay data transmission service; Service definition
Ta slovenski standard je istoveten z: ETS 300 399-3 Edition 1
ICS:
33.040.01 Telekomunikacijski sistemi Telecommunication systems
na splošno in general
33.080 Digitalno omrežje z Integrated Services Digital
integriranimi storitvami Network (ISDN)
(ISDN)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN ETS 300 399-3
TELECOMMUNICATION March 1995
STANDARD
Source: ETSI TC-NA Reference: DE/NA-023216-3
ICS: 33.080
ISDN, frame relay, stage 1
Key words:
Frame relay services;
Part 3: Frame relay data transmission service;
Service definition
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 1995. All rights reserved.
New presentation - see History box

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ETS 300 399-3: March 1995
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 300 399-3: March 1995
Contents
Foreword .5
Introduction.5
1 Scope .7
2 Normative references.7
3 Definitions.8
4 Abbreviations.8
5 General definition .8
6 Description of the frame relay service.8
7 Service classes .9
8 Procedures.9
9 Network capabilities for charging .9
10 Interworking.9
11 Attributes and values of attributes.9
11.1 Frame relay data transmission service attributes .9
11.2 Physical layer attributes .10
11.2.1 Access rate.10
11.2.2 Physical layer interface.11
12 Dynamic description.11
13 Numbering plan.11
Annex A (informative): Bibliography.12
History.13

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ETS 300 399-3: March 1995
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ETS 300 399-3: March 1995
Foreword
This European Telecommunication Standard (ETS) has been produced by the Network Aspects (NA)
Technical Committee of the European Telecommunications Standards Institute (ETSI).
The content of this ETS is adapted from CCITT Recommendation I.233.1.
This ETS consists of 4 parts as follows:
Part 1: "Part 1: General description".
Part 2: "Part 2: Integrated Services Digital Network (ISDN); Frame relay bearer service; Service
definition".
Part 3: "Part 3: Integrated Services Digital Network (ISDN); Frame relay data transmission
service; Service definition".
Part 4: "Part 4: Broadband Integrated Services Digital Network (B-ISDN); Frame relay bearer
service; Service definition".
Transposition dates
Date of latest announcement of this ETS (doa): 30 June 1995
Date of latest publication of new National Standard 31 December 1995
or endorsement of this ETS (dop/e):
Date of withdrawal of any conflicting National Standard (dow): 31 December 1995
Introduction
The purpose of this ETS is to describe the network specific aspects of the frame relay service when it is
offered on a network to provide the frame relay data transmission service.

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ETS 300 399-3: March 1995
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ETS 300 399-3: March 1995
1 Scope
This European Telecommunication Standard (ETS) specifies the network specific aspects of the frame
relay service when it is offered on a network to provide the frame relay data transmission service.
This ETS is applicable for all networks providing the frame relay data transmission service. This service is
offered on user-network interfaces where the physical layer is unstructured, i.e. at any time, there exists at
most a single physical connection on the user-network interface.
This ETS should be complemented with ETS 300 399-1 [1], for the common part of the frame relay
service.
2 Normative references
This ETS incorporates by dated and undated reference, provisions from other publications. These
normative references are cited at the appropriate places in the text and the publications are listed
hereafter. For dated references, subsequent amendments to or revisions of any of these publications
apply to this ETS only when incorporated in it by amendment or revision. For undated references the latest
edition of the publication referred to applies.
[1] ETS 300 399-1: "Frame relay services; Part 1: General description".
[2] CCITT Recommendation E.164: "Numbering plan for the ISDN era".
[3] CCITT Recommendation G.703 (1991): "Physical/electrical characteristics of
hierarchical digital interfaces".
[4] CCITT Recommendation G.704 (1991): "Synchronous frame structures used at
primary and secondary hierarchical levels".
[5] ITU-T Recommendation G.957: "Optical interfaces for equipments and systems
relating to the digital synchronous hierarchy".
[6] CCITT Recommendation Q.922: "ISDN data link layer specification for frame
mode bearer services".
[7] ITU-T Recommendation Q.933: "Layer 3 signalling specification for frame mode
bearer service".
[8] ITU-T Recommendation V.24: "List of definitions for interchange circuits
between data terminal equipment (DTE) and data circuit-terminating equipment
(DCE)".
[9] ITU-T Recommendation V.28: "Electrical characteristics for unbalanced double-
current interchange circuits".
[10] CCITT Recommendation V.35 (1988): "Data transmission at 48 kbit/s using
60-108 kHz group band circuits".
[11] CCITT Recommendation X.21: "Interface between da
...