ETSI GS F5G 018 V1.1.1 (2024-10)

Fifth Generation Fixed Network (F5G); Architecture of Optical Cloud Networks

DGS/F5G-0018

General Information

• Status: Not Published
• Technical Committee: F5G - Fifth Generation Fixed Network
• Current Stage: 12 - Citation in the OJ (auto-insert)
• Due Date: 29-Oct-2024
• Completion Date: 07-Oct-2024

Standards Content (Sample)

GROUP SPECIFICATION
Fifth Generation Fixed Network (F5G);
Architecture of Optical Cloud Networks
Disclaimer
The present document has been produced and approved by the Fifth Generation Fixed Network (F5G) 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.

2 ETSI GS F5G 018 V1.1.1 (2024-10)

Reference
DGS/F5G-0018
Keywords
cloud, F5G, optical, service
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ETSI
3 ETSI GS F5G 018 V1.1.1 (2024-10)
Contents
Intellectual Property Rights . 4
Foreword . 4
Modal verbs terminology . 4
Introduction . 4
1 Scope . 5
2 References . 5
2.1 Normative references . 5
2.2 Informative references . 6
3 Definition of terms, symbols and abbreviations . 6
3.1 Terms . 6
3.2 Symbols . 6
3.3 Abbreviations . 7
4 Motivation . 8
4.1 Overview of cloud access scenarios . 8
4.2 Requirements from the Use Cases . 8
5 OCN architecture . 9
5.1 Design principle . 9
5.2 Overview of OCN architecture . 10
5.3 Integration of OCN into the F5G-A network architecture . 11
5.4 Key capabilities of OCN . 12
6 OCN Data Plane technical requirements . 13
7 OCN connection control and service control technical requirements . 14
7.1 Overview . 14
7.1.1 Introduction to the OCN control interfaces and protocols . 14
7.1.2 OCN control interfaces and protocols . 15
7.2 OSP service control . 16
7.2.1 Overview of service mapping control requirements . 16
7.2.2 Service attributes identification . 17
7.2.3 Client node addresses report . 17
7.2.4 Service mapping rules generating and maintaining . 18
7.2.5 Service mapping . 19
7.2.6 OCN service control protocol messages . 19
7.3 OSP connection control . 20
7.3.1 Connection provisioning . 20
7.3.1.1 Overview of connection provisioning . 20
7.3.1.2 (fg)OTN connection creation . 21
7.3.1.3 (fg)OTN connection bandwidth adjustment . 24
7.3.1.4 (fg)OTN connection deletion . 25
7.3.2 Connection recovery . 28
7.3.2.1 Overview of connection recovery . 28
7.3.2.2 1+1 Protection function requirements . 29
7.3.2.3 Restoration function requirements . 30
8 OCN management and control technical requirements . 33
8.1 Overview . 33
8.2 Technical requirements for management and control of service flow mapping . 34
8.2.1 Configuration and maintenance of network slices and Virtual Private Networks (VPNs) . 34
8.2.2 Creation and maintenance of service flow mapping rules . 34
8.3 Technical requirements for management and control of the (fg)OTN . 34
8.3.1 Maintenance of the OTN network topology information. 34
8.3.2 (fg)OTN path computation . 35
8.3.3 Control and maintenance of (fg)OTN connections . 36
History . 37

ETSI
4 ETSI GS F5G 018 V1.1.1 (2024-10)
Intellectual Property Rights
Essential patents
IPRs essential or potentially essential to normative deliverables may have been declared to ETSI. The declarations
pertaining to these essential IPRs, if any, are 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 (https://ipr.etsi.org/).
Pursuant to the ETSI Directives including the ETSI IPR Policy, no investigation regarding the essentiality of IPRs,
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.
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ETSI claims no ownership of these except for any which are indicated as being the property of ETSI, and conveys no
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Foreword
This Group Specification (GS) has been produced by ETSI Industry Specification Group (ISG) Fifth Generation Fixed
Network (F5G).
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.
Introduction
In F5G and beyond, there is a trend that more and more services will be deployed in the Cloud Data Centres (DCs),
which requires high quality, high performance, high reliability, high security network transmission between the users
and the Cloud DCs. ETSI GR F5G 008 [i.1] has already described several use cases that are related to such cloud
services.
ETSI
5 ETSI GS F5G 018 V1.1.1 (2024-10)
1 Scope
The present document specifies the architecture and the technical requirements of the Optical Cloud Network (OCN),
including its underlay Optical Transport Network (OTN) infrastructure and the control interfaces used
...