ETSI GS PDL 012 V1.1.1 (2022-05)

Permissioned Distributed ledger (PDL); Reference Architecture

DGS/PDL-0012_Ref_Arc_Framwk

General Information

• Status: Not Published
• Technical Committee: PDL - Permissioned Distributed Ledger
• Current Stage: 12 - Completion
• Due Date: 09-May-2022
• Completion Date: 05-May-2022

Standards Content (Sample)

ETSI GS PDL 012 V1.1.1 (2022-05)






GROUP SPECIFICATION
Permissioned Distributed Ledger (PDL);
Reference Architecture
Disclaimer
The present document has been produced and approved by the Permissioned Distributed Ledger (PDL) ETSI Industry
Specification Group (ISG) and represents the views of those members who participated in this ISG.
It does not necessarily represent the views of the entire ETSI membership.

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2 ETSI GS PDL 012 V1.1.1 (2022-05)

Reference
DGS/PDL-012_Ref_Arc_Framwk

Keywords
architecture, PDL

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ETSI

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3 ETSI GS PDL 012 V1.1.1 (2022-05)
Contents
Intellectual Property Rights . 8
Foreword . 8
Modal verbs terminology . 8
Executive summary . 8
Preface . 9
1 Scope . 10
2 References . 10
2.1 Normative references . 10
2.2 Informative references . 11
3 Definition of terms, symbols and abbreviations . 11
3.1 Terms . 11
3.2 Symbols . 15
3.3 Abbreviations . 15
4 Introduction . 16
5 ETSI-ISG-PDL Reference Architecture . 17
5.1 Definition of a Functional Block . 17
5.2 Reference Architecture Overview . 17
5.3 Development Guiding Principles . 21
5.3.1 Platform development guiding principles . 21
5.3.1.1 Platform Categories . 21
5.3.1.2 Category Alpha Platform . 21
5.3.1.2.1 Introduction . 21
5.3.1.2.2 Category Alpha-1 Platform . 22
5.3.1.2.3 Category Alpha-2 Platform . 22
5.3.1.3 Category Bravo Platform . 22
5.3.1.3.1 Introduction . 22
5.3.1.3.2 Category Bravo-1 Platform . 22
5.3.1.3.3 Category Bravo-2 Platform . 22
5.3.1.4 Category "Charlie" Platform . 23
5.3.1.4.1 Introduction . 23
5.3.1.4.2 Category Charlie-1 Platform . 23
5.3.1.4.3 Category Charlie-2 Platform . 23
5.3.1.4.4 Category Charlie-3 Platform . 24
5.3.1.4.5 Category Charlie-4 Platform . 24
5.3.1.5 Category Delta Platform . 24
5.3.1.5.1 Introduction . 24
5.3.1.5.2 Category Delta-1 Platform. 24
5.3.1.5.3 Category Delta-2 Platform. 24
5.3.1.5.4 Category Delta-3 Platform. 25
5.3.1.5.5 Category Delta-4 Platform. 25
5.3.2 Application development guiding principles . 25
5.3.3 Platform Services Dependency . 25
5.3.4 Abstraction Layer Implementation . 25
5.4 ETSI-ISG-PDL Platform Services . 26
5.4.1 List of all Platform Services . 26
5.4.2 ETSI-ISG-PDL Atomic Platform Services . 28
5.4.2.1 Introduction to Atomic Platform Services . 28
5.4.2.2 ETSI-ISG-PDL Namespace Platform Service. 29
5.4.2.3 ETSI-ISG-PDL Identity Platform Service . 29
5.4.2.4 ETSI-ISG-PDL Location Platform Service . 30
5.4.2.5 ETSI-ISG-PDL Registration Platform Service . 30
5.4.2.6 ETSI-ISG-PDL Discovery Platform Service . 30
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5.4.3 ETSI-ISG-PDL Composite Services . 31
5.4.3.1 List of all Composite platform Services . 31
5.4.3.2 ETSI-ISG-PDL Messaging Service . 32
5.4.3.3 ETSI-ISG-PDL Policy Service. 33
5.4.3.4 ETSI-ISG-PDL Security Platform Services . 33
5.4.3.4.1 Introduction to Security Platform Services . 33
5.4.3.4.2 ETSI-ISG-PDL Authentication Platform Service . 34
5.4.3.4.3 ETSI-ISG-PDL Authorization Platform Service . 34
5.4.3.4.4 ETSI-ISG-PDL Cryptography Platform Service . 34
5.4.3.4.5 ETSI-ISG-PDL Encryption Platform Service. 34
5.4.3.4.6 ETSI-ISG-PDL Identity Management Platform Service . 35
5.4.3.4.7 ETSI-ISG-PDL Key Management Platform Service . 35
5.4.3.5 ETSI-ISG-PDL Logging Platform Service . 35
5.4.3.6 ETSI-ISG-PDL Governance Platform Services . 35
5.4.3.6.1 Introduction to Governance Platform Services . 35
5.4.3.6.2 ETSI-ISG-PDL Implementation Agreements . 36
5.4.3.6.3 ETSI-ISG-PDL Governing Entity . 37
5.4.3.6.4 Creating, Changing and Enforcing Governance IAs and rules . 37
5.4.3.7 ETSI-ISG-PDL Composition Platform Service . 38
5.4.3.8 ETSI-ISG-PDL Access Control Platform Service . 38
5.4.3.9 ETSI-ISG-PDL Fault Tolerance Platform Service . 38
5.4.3.10 ETSI-ISG-PDL Distribution Transparency Platform Service . 39
5.4.3.11 ETSI-ISG-PDL Publish and Subscribe Platform Service. 39
5.4.3.12 ETSI-ISG-PDL Concurrency Platform Service . 39
5.4.3.13 ETSI-ISG-PDL Storage related services . 39
5.4.3.13.1 Types of Storage Platform Services . 39
5.4.3.13.2 ETSI-ISG-PDL In Memory Storage Platform Service . 39
5.4.3.13.3 ETSI-ISG-PDL File System Storage Platform Service . 40
5.4.3.13.4 ETSI-ISG-PDL On-Chain Storage Platform Service . 40
5.4.3.13.5 ETSI-ISG-PDL Off-Chain Storage Service . 40
5.4.3.13.6 ETSI-ISG-PDL Distributed Blockchain Storage Platform Service . 41
5.4.3.14 ETSI-ISG-PDL Modelling Related Platform Services . 41
5.4.3.14.1 Introduction to Modelling . 41
5.4.3.14.2 ETSI-ISG-PDL Information Model . 42
5.4.3.14.3 ETSI-ISG-PDL Data Model . 42
5.4.3.14.4 ETSI-ISG-PDL Model Search . 43
5.4.3.14.5 ETSI-ISG-PDL Model Stitching . 43
5.4.3.15 ETSI-ISG-PDL Topology Platform Service . 44
5.4.3.16 ETSI-ISG-PDL Event Processing Platform Service . 44
5.4.3.17 ETSI-ISG-PDL Distributed Data Collection Platform Service . 45
5.4.3.18 ETSI-ISG-PDL Distributed Secret Sharing Platform Service . 45
5.4.3.19 Resource Management Platform Services . 45
5.4.3.19.1 Introduction to Resource Management . 45
5.4.3.19.2 Resource Discovery . 45
5.4.3.19.3 Resource Virtualization . 46
5.4.3.19.4 Resource Inventory Management . 46
5.4.3.19.5 Resource Administration and Management . 46
5.4.3.19.6 Resource FCAPS . 47
5.4.3.19.7 Resource Composition . 47
5.4.3.20 ETSI-ISG-PDL Platform Service Management Platform Services . 47
5.4.3.20.1 Introduction to Platform Service Management . 47
5.4.3.20.2 Platform Service Discovery Platform Service . 47
5.4.3.20.3 Platform Service Virtualization . 47
5.4.3.20.4 Platform Service Inventory Management . 48
5.4.3.20.5 Platform Service Administration and Management . 48
5.4.3.20.6 Platform Service FCAPS . 48
5.4.3.20.7 Platform Service Composition . 48
5.4.3.21 ETSI-ISG-PDL Application Management Services . 48
5.4.3.21.1 Introduction to Application Management . 48
5.4.3.21.2 Application Composition . 49
5.4.3.21.3 Application and Platform Service Orchestration . 49
5.4.3.21.4 Orchestration Platform Service . 49
ETSI

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5 ETSI GS PDL 012 V1.1.1 (2022-05)
5.4.3.21.5 Platform exploration . 49
5.4.3.21.6 Application Registration . 49
5.4.3.22 ETSI-ISG-PDL Transaction Management Service . 49
5.4.3.23 ETSI-ISG-PDL Data Model Gateway/Broker . 50
5.4.3.23.1 Introduction to presentation services . 50
5.4.3.23.2 ETSI-ISG-PDL API Presentation Platform Service . 51
5.4.3.24 ETSI-ISG-PDL Application Specific Services . 51
5.5 ETSI-ISG-PDL Application Clients . 52
5.5.1 Introduction to Application Clients . 52
5.5.2 ETSI-ISG-PDL Computer Applications . 52
5.5.3 ETSI-ISG-PDL Mobile Device Application . 52
5.5.4 ETSI-ISG-PDL Cloud Applications . 52
5.6 Summary . 53
Annex A (informative): Change History . 54
History . 55


ETSI

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List of figures
Figure 1: Main Components of the ETSI-ISG-PDL Reference Architecture .18
Figure 2: A Category "Alpha" platform .21
Figure 3: Category "Bravo" platform .22
Figure 4: Category "Charlie" platform .23
Figure 5: Category "Delta" platform .24
Figure 6: Abstraction Layer Implementation .25
Figure 7: ETSI-ISG-PDL Atomic Platform Services .29
Figure 8: ETSI-ISG-PDL Composite Platform Services .32
Figure 9: Security Platform Services .34
Figure 10: Governance Platform Services .35


ETSI

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List of tables
Table 1: Service types .19
Table 2: ETSI-ISG-PDL Platform Services .26


ETSI

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8 ETSI GS PDL 012 V1.1.1 (2022-05)
Intellectual Property Rights
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Foreword
This Group Specification (GS) has been produced by ETSI Industry Specification Group (ISG) Permissioned
Distributed Ledger (PDL).
Modal verbs terminology
In the present document "shall", "shall not", "should", "should not", "may", "need not", "will", "will not", "can" and
"cannot" are to be interpreted as described in clause 3.2 of the ETSI Drafting Rules (Verbal forms for the expression of
provisions).
"must" and "must not" are NOT allowed in ETSI deliverables except when used in direct citation.
Executive summary
The present document defines a high level and abstract Reference Architecture (RA) for a Permissioned Distributed
Ledger platform. The present document also describes the characteristics and behaviour of this platform, along with the
services that it provides.
The following areas are discussed in detail:
1) PDL Platform Services.
2) PDL Abstraction Layers.
3) PDL Interfaces and Interface Reference Points.
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9 ETSI GS PDL 012 V1.1.1 (2022-05)
The objectives of the present document are to:
• Maximize the choice of technology solutions available to entities using ETSI-ISG-PDL endorsed PDL
platforms.
• Maximize ETSI-ISG-PDL endorsed PDL platforms' scalability in terms of the applications supported and the
number of entities able to use them.
The ETSI-ISG-PDL RA is described in terms of abstract foundational (required minimum) and functional components
that support specific sets of functionalities and reference points that describe the standardized interactions between
different parts of the platform and with the external entities or platform. This enables technology vendors and
developers to focus on their respective areas of expertise and platform users to choose a best-of-breed team of
vendors/developers for their specific requirements.
Preface
The present document defines a RA for a Permissioned Distributed Ledger platform. The present document also
describes the characteristics and behaviour of this platform, along with the services that it provides and exemplary
solutions that can be built using it.
A RA is a template for defining a solution to a particular problem domain (in this case, a PDL platform). It provides a
set of common definitions of concepts, terminology, and common characteristics and behaviour of the system, including
a set of external Reference Points that standardize communication. The present document uses a Functional Block
architecture to define three key aspects of a PDL Platform:
• Platform Services, which
...