SIST EN 61158-3-1:2015
(Main)Industrial communication networks - Fieldbus specifications - Part 3-1: Data-link layer service definition - Type 1 elements (IEC 61158-3-1:2014)
Industrial communication networks - Fieldbus specifications - Part 3-1: Data-link layer service definition - Type 1 elements (IEC 61158-3-1:2014)
1.1 General
This part of IEC 61158 provides common elements for basic time-critical messaging
communications between devices in an automation environment. The term “time-critical” is
used to represent the presence of a time-window, within which one or more specified actions
are required to be completed with some defined level of certainty. Failure to complete
specified actions within the time window risks failure of the applications requesting the
actions, with attendant risk to equipment, plant and possibly human life.
This standard defines in an abstract way the externally visible service provided by the Type 1
fieldbus data-link layer in terms of
a) the primitive actions and events of the service;
b) the parameters associated with each primitive action and event, and the form which they
take; and
c) the interrelationship between these actions and events, and their valid sequences.
The purpose of this standard is to define the services provided to
• the Type 1 fieldbus application layer at the boundary between the application and data-link
layers of the fieldbus reference model;
• systems management at the boundary between the data-link layer and systems
management of the fieldbus reference model.
1.2 Specifications
The principal objective of this standard is to specify the characteristics of conceptual data-link
layer services suitable for time-critical communications, and thus supplement the OSI Basic
Reference Model in guiding the development of data-link protocols for time-critical
communications. A secondary objective is to provide migration paths from previously existing
industrial communications protocols.
This specification may be used as the basis for formal DL-Programming-Interfaces.
Nevertheless, it is not a formal programming interface, and any such interface will need to
address implementation issues not covered by this specification, including
a) the sizes and octet ordering of various multi-octet service parameters;
b) the correlation of paired request and confirm, or indication and response, primitives.
1.3 Conformance
This standard does not specify individual implementations or products, nor does it constrain
the implementations of data-link entities within industrial automation systems.
There is no conformance of equipment to this data-link layer service definition standard.
Instead, conformance is achieved through implementation of the corresponding data-link
protocol that fulfills the Type 7 data-link layer services defined in this standard.
Industrielle Kommunikationsnetze - Feldbusse - Teil 3-1: Dienstfestlegungen des Data Link Layer (Sicherungsschicht) - Typ 1-Elemente (IEC 61158-3-1:2014)
Réseaux de communication industriels - Spécifications des bus de terrain - Partie 3-1: Définition des services de couche liaison de données - Éléments de Type 1 (CEI 61158-3-1:2014)
L'IEC 61158-3-1:2014 définit les services fournis à la couche application de bus de terrain Type 1 au niveau de la frontière entre les couches application et liaison de données du modèle de référence de bus de terrain et à la gestion des systèmes au niveau de la frontière entre la couche liaison de données et la gestion des systèmes selon le modèle de référence de bus de terrain. Cette deuxième édition annule et remplace la première édition parue en 2007. Cette édition constitue une révision technique. La modification majeure est: Termes améliorés.
Industrijska komunikacijska omrežja - Specifikacije za procesna vodila - 3-1. del: Specifikacija protokola na ravni podatkovnih povezav - Elementi tipa 1 (IEC 61158-3-1:2014)
1.1 General
Ta del standarda IEC 61158 določa skupne elemente za osnovne časovno kritične sporočilne komunikacije med napravami v avtomatizacijskem okolju. Izraz »časovno kritičen« se uporablja za predstavitev prisotnosti časovnega okna, v okviru katerega se zahteva dokončanje enega ali več opredeljenih dejanj z določeno stopnjo gotovosti. Zaradi neuspešnega dokončanja opredeljenih dejanj v časovnem oknu je možna odpoved aplikacij, ki zahtevajo dejanja, pri čemer so ogroženi oprema, obrat in morda človeška življenja. Ta standard na abstrakten način določa na zunaj vidno opravilo, ki ga zagotavlja podatkovna povezovalna raven procesnih vodil tipa 1 v smislu
a) preprostih dejanj in dogodkov opravila;
b) parametrov, povezanih z vsakim preprostim dejanjem in dogodkom, ter obliko, ki jo prevzamejo; in
c) medsebojnih povezav med temi dejanji in dogodki ter njihovimi veljavnimi zaporedji.
Namen tega standarda je določiti opravila, ki se zagotavljajo za
• aplikacijsko raven procesnih vodil tipa 1 na meji med aplikacijo in podatkovno povezovalno ravnjo referenčnega modela procesnega vodila;
• upravljanje sistemov na meji med podatkovno povezovalno ravnjo in upravljanjem sistemov referenčnega modela procesnega vodila.
1.2 Specifikacije
Glavni cilj tega standarda je določiti značilnosti konceptualnih opravil nivoja podatkovnih povezav, primernih za časovno kritične komunikacije, ter tako dopolniti osnovni referenčni model OSI pri usmerjanju razvoja protokolov časovnih povezav za časovno kritične komunikacije. Sekundarni cilj je zagotoviti načrte prehoda iz predhodno obstoječih industrijskih komunikacijskih protokolov.
Ta specifikacija se lahko uporablja kot podlaga za formalne programske vmesnike podatkovne povezave. Vseeno ne gre za formalni programski vmesnik, pri čemer mora vsak tak vmesnik obravnavati izvedbena vprašanja, ki jih ta specifikacija ne zajema, vključno z:
a) velikostmi in oktetnim naročanjem različnih večoktetnih parametrov opravil;
b) korelacijo parnih primitivov za zahtevo in potrjevanje ali navedbo in odziv.
1.3 Skladnost
Ta standard ne določa posameznih implementacij ali izdelkov ter ne omejuje implementacije entitet podatkovnih povezav v okviru sistemov za industrijsko avtomatizacijo. Ta oprema ni skladna s standardom za specifikacijo protokola na ravni podatkovnih povezav. Skladnost se doseže prek implementacije ustreznega protokola podatkovnih povezav, ki izpolnjuje storitve ravni podatkovnih povezav tipa 7, ki je določen v tem standardu.
General Information
Relations
Standards Content (Sample)
SLOVENSKI STANDARD
SIST EN 61158-3-1:2015
01-marec-2015
1DGRPHãþD
SIST EN 61158-3-1:2008
Industrijska komunikacijska omrežja - Specifikacije za procesna vodila - 3-1. del:
Specifikacija protokola na ravni podatkovnih povezav - Elementi tipa 1 (IEC 61158-
3-1:2014)
Industrial communication networks - Fieldbus specifications - Part 3-1: Data-link layer
service definition - Type 1 elements (IEC 61158-3-1:2014)
Industrielle Kommunikationsnetze - Feldbusse - Teil 3-1: Dienstfestlegungen des Data
Link Layer (Sicherungsschicht) - Typ 1-Elemente (IEC 61158-3-1:2014)
Réseaux de communication industriels - Spécifications des bus de terrain - Partie 3-1:
Définition des services de couche liaison de données - Éléments de Type 1 (CEI 61158-
3-1:2014)
Ta slovenski standard je istoveten z: EN 61158-3-1:2014
ICS:
25.040.40 Merjenje in krmiljenje Industrial process
industrijskih postopkov measurement and control
35.100.20 Podatkovni povezovalni sloj Data link layer
35.110 Omreževanje Networking
SIST EN 61158-3-1:2015 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
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SIST EN 61158-3-1:2015
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SIST EN 61158-3-1:2015
EUROPEAN STANDARD EN 61158-3-1
NORME EUROPÉENNE
EUROPÄISCHE NORM
October 2014
ICS 35.100.20; 35.110; 25.040.40 Supersedes EN 61158-3-1:2008
English Version
Industrial communication networks - Fieldbus specifications -
Part 3-1: Data-link layer service definition - Type 1 elements
(IEC 61158-3-1:2014)
Réseaux de communication industriels - Spécifications des Industrielle Kommunikationsnetze - Feldbusse - Teil 3-1:
bus de terrain - Partie 3-1: Définition des services de la Dienstfestlegungen des Data Link Layer
couche liaison de données - Éléments de type 1 (Sicherungsschicht) - Typ 1-Elemente
(CEI 61158-3-1:2014) (IEC 61158-3-1:2014)
This European Standard was approved by CENELEC on 2014-09-17. CENELEC members are bound to comply with the CEN/CENELEC
Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration.
Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC
Management Centre or to any CENELEC member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by translation
under the responsibility of a CENELEC member into its own language and notified to the CEN-CENELEC Management Centre has the
same status as the official versions.
CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic,
Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,
Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Turkey and the United Kingdom.
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels
© 2014 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. EN 61158-3-1:2014 E
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SIST EN 61158-3-1:2015
EN 61158-3-1:2014 - 2 -
Foreword
The text of document 65C/759/FDIS, future edition 2 of IEC 61158-3-1, prepared by SC 65C
"Industrial networks" of IEC/TC 65 "Industrial-process measurement, control and automation" was
submitted to the IEC-CENELEC parallel vote and approved by CENELEC as EN 61158-3-1:2014.
The following dates are fixed:
(dop) 2015-06-17
• latest date by which the document has to be implemented at
national level by publication of an identical national
standard or by endorsement
(dow) 2017-09-17
• latest date by which the national standards conflicting with
the document have to be withdrawn
This document supersedes EN 61158-3-1:2008.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CENELEC [and/or CEN] shall not be held responsible for identifying any or all such
patent rights.
This document has been prepared under a mandate given to CENELEC by the European Commission
and the European Free Trade Association.
Endorsement notice
The text of the International Standard IEC 61158-3-1:2014 was approved by CENELEC as a
European Standard without any modification.
In the official version, for Bibliography, the following notes have to be added for the standards indicated:
IEC 61158-1 NOTE Harmonized as EN 61158-1.
IEC 61158-2 NOTE Harmonized as EN 61158-2.
IEC 61158-4-1 NOTE Harmonized as EN 61158-4-1.
IEC 61158-5-9 NOTE Harmonized as EN 61158-5-9.
IEC 61158-6-9 NOTE Harmonized as EN 61158-6-9.
IEC 61784-1 NOTE Harmonized as EN 61784-1.
IEC 61784-2 NOTE Harmonized as EN 61784-2.
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Annex ZA
(normative)
Normative references to international publications
with their corresponding European publications
The following documents, in whole or in part, are normatively referenced in this document and are
indispensable for its application. For dated references, only the edition cited applies. For undated
references, the latest edition of the referenced document (including any amendments) applies.
NOTE 1 When an International Publication has been modified by common modifications, indicated by (mod),
the relevant EN/HD applies.
NOTE 2 Up-to-date information on the latest versions of the European Standards listed in this annex is
available here: www.cenelec.eu.
Publication Year Title EN/HD Year
ISO/IEC 7498-1 - Information technology - Open Systems - -
Interconnection - Basic Reference Model:
The Basic Model
ISO/IEC 7498-3 - Information technology - Open Systems - -
Interconnection - Basic Reference Model:
Naming and addressing
ISO/IEC 10731 1994 Information technology - Open Systems - -
Interconnection - Basic Reference Model -
Conventions for the definition of OSI
services
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SIST EN 61158-3-1:2015
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SIST EN 61158-3-1:2015
IEC 61158-3-1
®
Edition 2.0 2014-08
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Industrial communication networks – Fieldbus specifications –
Part 3-1: Data-link layer service definition – Type 1 elements
Réseaux de communication industriels – Spécifications des bus de terrain –
Partie 3-1: Définition des services de la couche liaison de données – Éléments
de type 1
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
PRICE CODE
INTERNATIONALE
CODE PRIX XF
ICS 25.040.40; 35.100.20; 35.110 ISBN 978-2-8322-1709-2
Warning! Make sure that you obtained this publication from an authorized distributor.
Attention! Veuillez vous assurer que vous avez obtenu cette publication via un distributeur agréé.
® Registered trademark of the International Electrotechnical Commission
Marque déposée de la Commission Electrotechnique Internationale
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CONTENTS
FOREWORD . 7
0 INTRODUCTION . 9
0.1 General . 9
0.2 Nomenclature for references within this standard . 9
1 Scope . 10
1.1 General . 10
1.2 Specifications . 10
1.3 Conformance . 10
2 Normative references . 11
3 Terms, definitions, symbols, abbreviations and conventions . 11
3.1 Reference model terms and definitions . 11
3.2 Service convention terms and definitions . 12
3.3 Data-link service terms and definitions . 13
3.4 Common symbols and abbreviations . 16
3.5 Common conventions . 17
4 Overview of the data-link layer service . 19
4.1 General . 19
4.2 Types and classes of data-link layer service . 21
4.3 Quality-of-service (QoS) attributes common to multiple types of data-link
layer service . 22
5 DL(SAP)-address, queue and buffer management data-link layer service . 27
5.1 Facilities of the DL(SAP)-address, queue and buffer management data-link
layer service . 27
5.2 Model of the DL(SAP)-address, queue and buffer management data-link
layer service . 27
5.3 Sequence of primitives at one DLSAP . 27
5.4 DL(SAP)-address, queue and buffer management facilities . 29
6 Connection-mode data-link layer service . 43
6.1 Facilities of the connection-mode data-link layer service . 43
6.2 Model of the connection-mode data-link layer service . 44
6.3 Quality of connection-mode service . 51
6.4 Sequence of primitives . 57
6.5 Connection establishment phase . 68
6.6 Connection release phase . 75
6.7 Data transfer phase . 81
7 Connectionless-mode data-link layer service . 93
7.1 Facilities of the connectionless-mode data-link layer service . 93
7.2 Model of the connectionless-mode data-link layer service . 93
7.3 Quality of connectionless-mode service . 95
7.4 Sequence of primitives . 95
7.5 Connectionless-mode functions . 98
8 Time and scheduling guidance data-link layer service . 109
8.1 Facilities and classes of the time and scheduling guidance data-link layer
service . 109
8.2 Model of the time and scheduling guidance data-link layer service . 110
8.3 Quality of scheduling guidance service . 110
8.4 Sequence of primitives at one DLE . 110
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8.5 Scheduling guidance functions . 112
9 DL-management service . 123
9.1 Scope and inheritance . 123
9.2 Facilities of the DL-management service . 123
9.3 Model of the DL-management service. 123
9.4 Constraints on sequence of primitives . 123
9.5 Set . 124
9.6 Get . 125
9.7 Action . 125
9.8 Event . 126
Bibliography . 128
Figure 1 – Relationships of DLSAPs, DLSAP-addresses, DLCEPs, DLCEP-addresses,
DLSEP-addresses and group DL-addresses . 14
Figure 2 – Example of paths, links, bridges, and the extended link . 20
Figure 3 – Types of DL-timeliness In terms of elapsed DL-time and events at the
assessing DLCEP . 25
Figure 4 – Sequence of primitives for the DL(SAP)-address, queue and buffer
management DLS . 29
Figure 5 – Supported methods of data management for transmission and delivery . 30
Figure 6 – Peer-to-peer and multi-peer DLCs and their DLCEPs . 44
Figure 7 – OSI abstract queue model of a peer DLC between a pair of DLS-users . 45
Figure 8 – OSI abstract queue model of a multi-peer DLC between a publishing DLS-
user and a set of subscribing DLS-users . 49
Figure 9 – Summary of DL-connection-mode service primitive time-sequence diagrams
for peer DLCs (portion 1) . 61
Figure 10 – Summary of DL-connection-mode service primitive time-sequence
diagrams for peer DLCs (portion 2) . 62
Figure 11 – Summary of DL-connection-mode service primitive time-sequence
diagrams for publishers of a multi-peer DLC (portion 1) . 63
Figure 12 – Summary of DL-connection-mode service primitive time-sequence
diagrams for publishers of a multi-peer DLC (portion 2) . 64
Figure 13 – Summary of additional DL-connection-mode service primitive time-
sequence diagrams for a multi-peer DLC subscriber where the diagrams differ from the
corresponding ones for a publisher (portion 1) . 65
Figure 14 – Summary of additional DL-connection-mode service primitive time-
sequence diagrams for a multi-peer DLC subscriber where the diagrams differ from the
corresponding ones for a publisher (portion 2) . 66
Figure 15 – State transition diagram for sequences of DL-connection-mode service
primitives at a DLCEP . 67
Figure 16 – Peer DLC/DLCEP establishment initiated by a single DLS-user . 73
Figure 17 – Multi-peer DLC/DLCEP establishment initiated by the publishing DLS-user . 74
Figure 18 – Multi-peer DLC/DLCEP establishment initiated by a subscribing DLS-user . 74
Figure 19 – Multi-peer DLC/DLCEP establishment using known DLCEP addresses
initiated first by the publishing DLS-user . 74
Figure 20 – Multi-peer DLC/DLCEP establishment using known DLCEP addresses
initiated first by one or more subscribing DLS-users . 74
Figure 21 – Peer DLC/DLCEP establishment initiated simultaneously by both peer
DLS-users, resulting in a merged DLC . 75
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Figure 22 – Multi-peer DLC/DLCEP establishment initiated simultaneously by both
publishing and subscribing DLS-users, resulting in a merged DLC . 75
Figure 23 – Peer DLS-user invocation . 78
Figure 24 – Publishing DLS-user invocation . 78
Figure 25 – Subscribing DLS-user invocation . 78
Figure 26 – Simultaneous invocation by both DLS-users . 78
Figure 27 – Peer DLS-provider invocation . 78
Figure 28 – Publishing DLS-provider invocation . 78
Figure 29 – Subscribing DLS-provider invocation . 78
Figure 30 – Simultaneous peer DLS-user and DLS-provider invocations . 78
Figure 31 – Simultaneous publishing DLS-user and DLS-provider invocations . 79
Figure 32 – Simultaneous subscribing DLS-user and DLS-provider invocations . 79
Figure 33 – Sequence of primitives in a peer DLS-user rejection of a DLC/DLCEP
establishment attempt . 79
Figure 34 – Sequence of primitives in a publishing DLS-user rejection of a DLC/DLCEP
establishment attempt . 79
Figure 35 – Sequence of primitives in a subscribing DLS-user rejection of a
DLC/DLCEP establishment attempt . 79
Figure 36 – Sequence of primitives in a DLS-provider rejection of a DLC/DLCEP
establishment attempt . 80
Figure 37 – Sequence of primitives in a DLS-user cancellation of a DLC/DLCEP
establishment attempt: both primitives are destroyed in the queue . 80
Figure 38 – Sequence of primitives in a DLS-user cancellation of a DLC/DLCEP
establishment attempt: DL-DISCONNECT indication arrives before DL-CONNECT response
is sent . 80
Figure 39 – Sequence of primitives in a DLS-user cancellation of a DLC/DLCEP
establishment attempt: peer DL-DISCONNECT indication arrives after DL-CONNECT
response is sent . 80
Figure 40 – Sequence of primitives in a DLS-user cancellation of a DLC/DLCEP
establishment attempt: publisher’s DL-DISCONNECT indication arrives after DL-CONNECT
response is sent . 81
Figure 41 – Sequence of primitives in a DLS-user cancellation of a DLC/DLCEP
establishment attempt: subscriber’s DL-DISCONNECT request arrives after DL-CONNECT
request has been communicated to the publisher . 81
Figure 42 – Sequence of primitives for a CLASSICAL or DISORDERED peer-to-peer
queue-to-queue data transfer . 83
Figure 43 – Sequence of primitives for an ORDERED or UNORDERED peer-to-peer, or an
UNORDERED subscriber-to-publisher queue-to-queue data transfer . 84
Figure 44 – Sequence of primitives for a publisher-to-subscribers queue-to-queue data
transfer . 84
Figure 45 – Sequence of primitives for a failed queue-to-queue data transfer . 84
Figure 46 – Sequence of primitives for an ORDERED or UNORDERED peer to peer, or an
UNORDERED subscriber to publisher, buffer to buffer data transfer . 85
Figure 47 – Sequence of primitives for a publisher to subscribers buffer to buffer data
transfer . 86
Figure 48 – Sequence of primitives for an ORDERED or UNORDERED peer to peer, or an
UNORDERED subscriber to publisher, buffer to queue data transfer . 86
Figure 49 – Sequence of primitives for a publisher to subscribers buffer to queue data
transfer . 86
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Figure 50 – Sequence of primitives in a peer DLS-user initiated Reset . 89
Figure 51 – Sequence of primitives in a publishing DLS-user initiated Reset . 90
Figure 52 – Sequence of primitives in a subscribing DLS-user initiated Reset . 90
Figure 53 – Sequence of primitives in a simultaneous peer DLS-users initiated Reset . 90
Figure 54 – Sequence of primitives in a simultaneous multi-peer DLS-users initiated
Reset . 90
Figure 55 – Sequence of primitives in a peer DLS-provider initiated Reset . 90
Figure 56 – Sequence of primitives in a publishing DLS-provider initiated Reset . 90
Figure 57 – Sequence of primitives in a subscribing DLS-provider initiated Reset . 91
Figure 58 – Sequence of primitives in a simultaneous peer DLS-user and DLS-provider
initiated Reset . 91
Figure 59 – Sequence of primitives in a simultaneous publishing DLS-user and DLS-
provider initiated Reset . 91
Figure 60 – Sequence of primitives in a simultaneous subscribing DLS-user and DLS-
provider initiated Reset . 91
Figure 61 – Sequence of primitives for Subscriber Query . 92
Figure 62 – Model for a data-link layer connectionless-mode unitdata transmission or
unitdata exchange . 94
Figure 63 – Summary of DL-connectionless-mode service primitive time-sequence
diagrams . 97
Figure 64 – State transition diagram for sequences of connectionless-mode primitives
at one DLSAP . 98
Figure 65 – Sequence of primitives for a successful locally-acknowledged
connectionless-mode unitdata transfer . 101
Figure 66 – Sequence of primitives for a successful remotely-acknowledged
connectionless-mode unitdata transfer . 102
Figure 67 – Sequence of primitives for an unsuccessful connectionless-mode unitdata
transfer . 102
Figure 68 – Sequence of primitives for connectionless-mode unitdata exchange . 107
Figure 69 – Sequence of primitives for connectionless-mode listener query . 108
Figure 70 – Summary of time and scheduling-guidance service primitive time sequence
diagrams . 112
Figure 71 – Sequence of primitives for DL-time . 114
Figure 72 – Sequence of primitives for the Compel-Service service . 116
Figure 73 – Sequence of primitives for the sequence scheduling services. 120
Figure 74 – Sequence of primitives for the DLM action service . 123
Table 1 – Summary of DL(SAP)-address, queue and buffer management primitives and
parameters . 28
Table 2 – DL-buffer-and-queue-management create primitive and parameters . 30
Table 3 – DL-buffer-and-queue-management delete primitive and parameters . 33
Table 4 – DL(SAP)-address-management bind primitive and parameters . 34
Table 5 – DL(SAP)-role constraints on DLSAPs, DLCEPs and other DLS Primitives . 35
Table 6 – DL(SAP)-address-management unbind primitive and parameters . 39
Table 7 – DL-buffer-management put primitive and parameters . 39
Table 8 – DL-buffer-and-queue-management get primitive and parameters . 41
Table 9 – Relationships between abstract queue model objects . 47
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Table 10 – Attributes and class requirements of DLCEP data delivery features . 53
Table 11 – Summary of DL-connection-mode primitives and parameters (portion 1) . 59
Table 12 – Summary of DL-connection-mode primitives and parameters (portion 2) . 60
Table 13 – DLC / DLCEP establishment primitives and parameters (portion 1) . 69
Table 14 – DLC / DLCEP establishment primitives and parameters (portion 2) . 70
Table 15 – DLC / DLCEP release primitives and parameters . 76
Table 16 – Queue data transfer primitive and parameters . 81
Table 17 – Buffer sent primitive and parameter . 84
Table 18 – Buffer received primitive and parameter . 85
Table 19 – DLC/DLCEP reset primitives and parameters (portion 1) . 87
Table 20 – DLC/DLCEP reset primitives and parameters (portion 2) . 87
Table 21 – Sub
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