SIST ETS 300 821 E1:2003
(Main)Broadband Integrated Services Digital Network (B-ISDN); ATM Adaptation Layer (AAL); Support of the High Level Data Link Control (HDLC) core service by AAL type 5 [ITU-T Recommendation I.365.4 (1996)]
General Information
- Abstract
This ETS is an endorsement of the ITU-T recommendation I.frame, which specifies a function that allows data communication applications utilizing protocol stacks which contain HDLC procedures also to be deployed in a B-ISDN environment.
- Status
- Published
- Publication Date
- 30-Nov-2003
- Current Stage
- 6060 - National Implementation/Publication (Adopted Project)
- Start Date
- 01-Dec-2003
- Due Date
- 01-Dec-2003
- Completion Date
- 01-Dec-2003
Overview
SIST ETS 300 821 E1:2003 is a European telecommunication standard that provides specifications to support High Level Data Link Control (HDLC) core services within Broadband Integrated Services Digital Network (B-ISDN) environments, specifically leveraging the ATM Adaptation Layer type 5 (AAL5). This standard is an endorsement of the ITU-T Recommendation I.365.4 (1996), ensuring that applications designed around HDLC protocol stacks can be seamlessly deployed in high-speed, ATM-based B-ISDN infrastructures. Its primary focus is the mapping and adaptation of protocol elements, enabling interoperability and efficient network integration for systems utilizing HDLC procedures.
Key Topics
- B-ISDN and ATM: The standard enables the use of HDLC-based applications within broadband ISDN architectures, utilizing Asynchronous Transfer Mode (ATM) for high-bandwidth, multi-service transmission.
- ATM Adaptation Layer Type 5 (AAL5): Defines how AAL5 services can substitute key HDLC framing and error detection functions, supporting interoperability with traditional HDLC environments.
- Service Specific Convergence Sublayer (SSCS): Introduces SSCS for HDLC, which maps HDLC service primitives onto AAL5 services, thereby bridging Layer 2 protocol differences.
- DL-FRAME Primitives: Specifies the mapping and handling of HDLC Data Link layer primitives (e.g., address, control, and information fields) within the AAL5 framework.
- Protocol Data Unit (PDU) Handling: Defines the formation and transmission of PDUs, including maximum PDU size in accordance with AAL5 capabilities.
- Layer Management Considerations: Outlines the standard's approach to management of congestion and flow control within the adaptation process.
Applications
The practical value of SIST ETS 300 821 E1:2003 lies in its ability to facilitate the reliable deployment of HDLC-based communication protocols over B-ISDN networks, extending the life and utility of legacy protocol stacks in modern, high-performance environments. Key applications include:
- Enterprise Networking: Supporting critical business applications that require integration of legacy HDLC-based devices (such as routers and switches) into ATM/B-ISDN networks.
- Carrier and Service Provider Networks: Enhancing the flexibility of telecommunication infrastructure by allowing existing HDLC-based services to operate efficiently over high-speed ATM connections.
- Interoperability: Assists in transitioning from X.25 or other HDLC-reliant protocols to broadband networks without requiring wholesale replacement of established devices or applications.
- High-throughput Data Communication: Suitable for environments where error-checking, framing, and high-speed data transport are critical.
Related Standards
For broader context and enhanced interoperability, several related standards are referenced within SIST ETS 300 821 E1:2003:
- ITU-T Recommendation I.363.5: Defines the AAL type 5 specification for B-ISDN, central to the operation of this standard.
- ITU-T Recommendation X.25: Details the interface specifics for packet-switched data communication using HDLC protocols.
- ITU-T Recommendation X.200: Provides foundational OSI reference model layering concepts adopted within the standard.
- ITU-T Recommendation X.210: Covers conventions for service definitions in OSI models, informing service primitive structure.
- ITU-T Recommendation I.365.4: The base document for this standard, detailing service-specific convergence sublayer functions for HDLC in ATM environments.
By aligning with these standards, SIST ETS 300 821 E1:2003 ensures robust, compatible, and future-proof implementations of HDLC over ATM/B-ISDN. Integration of these guidelines into networking equipment or services secures reliable data communication and standards-compliant deployment across varied telecommunication infrastructures.
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Frequently Asked Questions
SIST ETS 300 821 E1:2003 is a standard published by the Slovenian Institute for Standardization (SIST). Its full title is "Broadband Integrated Services Digital Network (B-ISDN); ATM Adaptation Layer (AAL); Support of the High Level Data Link Control (HDLC) core service by AAL type 5 [ITU-T Recommendation I.365.4 (1996)]". This standard covers: This ETS is an endorsement of the ITU-T recommendation I.frame, which specifies a function that allows data communication applications utilizing protocol stacks which contain HDLC procedures also to be deployed in a B-ISDN environment.
This ETS is an endorsement of the ITU-T recommendation I.frame, which specifies a function that allows data communication applications utilizing protocol stacks which contain HDLC procedures also to be deployed in a B-ISDN environment.
SIST ETS 300 821 E1:2003 is classified under the following ICS (International Classification for Standards) categories: 33.080 - Integrated Services Digital Network (ISDN). The ICS classification helps identify the subject area and facilitates finding related standards.
SIST ETS 300 821 E1:2003 is available in PDF format for immediate download after purchase. The document can be added to your cart and obtained through the secure checkout process. Digital delivery ensures instant access to the complete standard document.
Standards Content (Sample)
SLOVENSKI STANDARD
01-december-2003
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Broadband Integrated Services Digital Network (B-ISDN); ATM Adaptation Layer (AAL);
Support of the High Level Data Link Control (HDLC) core service by AAL type 5 [ITU-T
Recommendation I.365.4 (1996)]
Ta slovenski standard je istoveten z: ETS 300 821 Edition 1
ICS:
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 300 821
TELECOMMUNICATION September 1998
STANDARD
Source: NA Reference: DE/NA-052627
ICS: 33.020
Key words: ATM, B-ISDN, layer 2
Broadband Integrated Services Digital Network (B-ISDN);
ATM Adaptation Layer (AAL);
Support of the High Level Data Link Control (HDLC)
core service by AAL type 5 (AAL5)
[ITU-T Recommendation I.365.4 (1996)]
ETSI
European Telecommunications Standards Institute
ETSI Secretariat
Postal address: F-06921 Sophia Antipolis CEDEX - FRANCE
Office address: 650 Route des Lucioles - Sophia Antipolis - Valbonne - FRANCE
Internet: secretariat@etsi.fr - http://www.etsi.fr - http://www.etsi.org
Tel.: +33 4 92 94 42 00 - Fax: +33 4 93 65 47 16
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 1998. All rights reserved.
Page 2
ETS 300 821: September 1998
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 Standards Making Support Dept." at the address shown on the title page.
Page 3
ETS 300 821: September 1998
Contents
Foreword .5
1 Scope .7
2 Normative references.7
3 Definitions and abbreviations .7
3.1 Definitions .7
3.2 Abbreviations .8
4 General Description.8
5 Functions of the DL-FRAME SSCS.8
6 Specification of the DL-FRAME SSCS.9
6.1 The service of the DL-FRAME SSCS .9
6.2 The CPCS service of the AAL type 5.9
6.3 PDU format .10
6.4 Mapping the DL-FRAME primitive into the AAL type 5 CPCS signal (transmitter) .10
6.5 Mapping the AAL type 5 CPCS signal into the DL-FRAME primitive (receiver) .11
6.6 Layer Management.11
History.12
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ETS 300 821: September 1998
Blank page
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ETS 300 821: September 1998
Foreword
This European Telecommunication Standard (ETS) has been produced by the Network Aspects (NA)
Technical Committee of the European Telecommunications Standards Institute (ETSI).
This ETS reproduces and endorses the ITU-T Recommendation I.365.4 [5].
Transposition dates
Date of adoption of this ETS: 18 September 1998
Date of latest announcement of this ETS (doa): 31 December 1998
Date of latest publication of new National Standard
or endorsement of this ETS (dop/e): 30 June 1999
Date of withdrawal of any conflicting National Standard (dow): 30 June 1999
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ETS 300 821: September 1998
Blank page
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ETS 300 821: September 1998
1 Scope
This European Telecommunication Standard (ETS) specifies a function that allows data communication
applications utilizing protocol stacks which include High Level Data Link Control (HDLC) procedures
(ITU-T Recommendation X.25, [2]) also to be deployed in a Broadband Integrated Services Digital
Network (B-ISDN) environment.
The required mapping function specified in this ETS is called "Service Specific Convergence Sublayer for
HDLC Applications".
This ETS makes use of the fact that the functionality of the HDLC framing, i.e., the flag and abort
sequences, the zero-bit insertion, and the Frame Checking Sequence (FCS) can be interpreted as a
subset of the services offered by the ATM Adaptation Layer type 5 (AAL 5) as specified in
ITU-T Recommendation I.363.5 [1].
This ETS is applicable to equipment to be attached to a B-ISDN network when protocol stacks developed
for an HDLC-based environment are to be deployed.
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] ITU-T Recommendation I.363.5: "B-ISDN ATM Adaptation Layer specification:
Type 5 AAL".
[2] ITU-T Recommendation X.25: "Interface between Data Terminal Equipment
(DTE) and Data Circuit-terminating Equipment (DCE) for terminals operating in
the packet mode and connected to public data networks by dedicated circuit".
[3] ITU-T Recommendation X.200: "Information technology; Open Systems
Interconnection; Basic reference model: The basic model".
[4] ITU-T Recommendation X.210: "Information technology; Open systems
interconnection; Basic Reference Model: Co
...