Network Slice Provision Models
draft-homma-slice-provision-models-01
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2019-07-08
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Individual S. Homma
Internet-Draft H. Nishihara
Intended status: Informational NTT
Expires: January 9, 2020 T. Miyasaka
KDDI Research
A. Galis
University College London
V. Ram OV
Independent Research Consultant India
D. Lopez
L. Contreras-Murillo
J. Ordonez-Lucena
Telefonica I+D
P. Martinez-Julia
NICT
L. Qiang
Huawei Technologies
R. Rokui
L. Ciavaglia
Nokia
X. de Foy
InterDigital Inc.
July 8, 2019
Network Slice Provision Models
draft-homma-slice-provision-models-01
Abstract
Network slicing is an approach to provide separate virtual network
based on service requirements. It's a fundamental concept of the 5G,
and the architecture and specification is under standardization in
several organizations. However, the definitions and scopes of
network slicing vary to some degree from one organization to another.
This document provides classification of provisioning models of
network slice for clarifying the differences on the definitions and
scopes.
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/.
Homma, et al. Expires January 9, 2020 [Page 1]
Internet-Draft draft-homma-slice-provision-models July 2019
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 January 9, 2020.
Copyright Notice
Copyright (c) 2019 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 as described in Section 4.e of
the Trust Legal Provisions and are provided without warranty as
described in the Simplified BSD License.
Table of Contents
1. Introduction and Motivation . . . . . . . . . . . . . . . . . 3
1.1. Differentiated Roles in Network Slice Provisioning . . . 3
1.2. High-level Problem Statement . . . . . . . . . . . . . . 4
2. Definition of Terms . . . . . . . . . . . . . . . . . . . . . 4
3. General Requirements for Network Slicing . . . . . . . . . . 7
3.1. Requirements/Attributes for Network Slice . . . . . . . . 7
4. Network Slice Structure . . . . . . . . . . . . . . . . . . . 8
4.1. Resources for Structuring Network Slices . . . . . . . . 8
4.2. Basic Network Slice Structure . . . . . . . . . . . . . . 12
4.3. Stakeholders in the Structuring Network Slices . . . . . 14
5. Variations of Network Slice Creation . . . . . . . . . . . . 15
5.1. Ready-made Network Slice . . . . . . . . . . . . . . . . 15
5.2. Custom-made Network Slice . . . . . . . . . . . . . . . . 15
5.3. semi-Custom-made Network Slice . . . . . . . . . . . . . 15
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