Framework for Transport Network Slices
draft-nsdt-teas-ns-framework-02
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Network Working Group E. Gray, Ed.
Internet-Draft Ericsson
Intended status: Informational J. Drake, Ed.
Expires: 26 September 2020 Juniper Networks
25 March 2020
Framework for Transport Network Slices
draft-nsdt-teas-ns-framework-02
Abstract
This memo discusses setting up special-purpose transport connections
using existing IETF technologies. These connections are called
transport slices for the purposes of this memo. The memo discusses
the general framework for this setup, the necessary system components
and interfaces, and how abstract requests can be mapped to more
specific technologies. The memo also discusses related
considerations with monitoring and security.
This memo is intended for discussing interfaces and technologies. It
is not intended to be a new set of concrete interfaces or
technologies. Rather, it should be seen as an explanation of how
some existing, concrete IETF VPN and traffic-engineering technologies
can be used to create transport slices. Note that there are is a
rather large of these technologies, and new technologies or
capabilities keep being added. This memo is also not intended
presume any particular technology choice.
Status of This Memo
This Internet-Draft is submitted in full conformance with the
provisions of BCP 78 and BCP 79.
Internet-Drafts are working documents of the Internet Engineering
Task Force (IETF). Note that other groups may also distribute
working documents as Internet-Drafts. The list of current Internet-
Drafts is at https://datatracker.ietf.org/drafts/current/.
Internet-Drafts are draft documents valid for a maximum of six months
and may be updated, replaced, or obsoleted by other documents at any
time. It is inappropriate to use Internet-Drafts as reference
material or to cite them other than as "work in progress."
This Internet-Draft will expire on 26 September 2020.
Gray & Drake Expires 26 September 2020 [Page 1]
Internet-Draft Transport Network Slice Framework March 2020
Copyright Notice
Copyright (c) 2020 IETF Trust and the persons identified as the
document authors. All rights reserved.
This document is subject to BCP 78 and the IETF Trust's Legal
Provisions Relating to IETF Documents (https://trustee.ietf.org/
license-info) in effect on the date of publication of this document.
Please review these documents carefully, as they describe your rights
and restrictions with respect to this document. Code Components
extracted from this document must include Simplified BSD License text
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provided without warranty as described in the Simplified BSD License.
Table of Contents
1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . 2
2. Transport Slice Objectives . . . . . . . . . . . . . . . . . 4
3. Framework . . . . . . . . . . . . . . . . . . . . . . . . . . 5
3.1. Management systems or other applications . . . . . . . . 6
3.2. Expressing connectivity intents . . . . . . . . . . . . . 6
3.3. Transport Slice Controller (TSC) . . . . . . . . . . . . 8
3.3.1. Northbound Inteface (NBI) . . . . . . . . . . . . . . 9
3.4. Mapping . . . . . . . . . . . . . . . . . . . . . . . . . 9
3.5. Underlying technology . . . . . . . . . . . . . . . . . . 9
4. Applicability of ACTN to Transport Slices . . . . . . . . . . 10
5. Considerations . . . . . . . . . . . . . . . . . . . . . . . 12
5.1. Monitoring . . . . . . . . . . . . . . . . . . . . . . . 12
5.2. Security Considerations . . . . . . . . . . . . . . . . . 12
5.3. Privacy Considerations . . . . . . . . . . . . . . . . . 12
5.4. IANA Considerations . . . . . . . . . . . . . . . . . . . 13
6. Acknowledgments . . . . . . . . . . . . . . . . . . . . . . . 13
7. References . . . . . . . . . . . . . . . . . . . . . . . . . 14
7.1. Normative References . . . . . . . . . . . . . . . . . . 14
7.2. Informative References . . . . . . . . . . . . . . . . . 14
Contributors . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . 17
1. Introduction
This draft provides a framework for discussing transport slices, as
defined in [I-D.nsdt-teas-transport-slice-definition] (to be replaced
by draft-rokui-teas-transport-slice-definition). It is the intention
in this document to use terminology consistent with this and other
definitions provided in that draft.
In particular, this document uses the following terminology defined
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