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.. Licensed under a Creative Commons Attribution 4.0 International License.
.. http://creativecommons.org/licenses/by/4.0
.. Copyright 2017 AT&T Intellectual Property. All rights reserved.
Introduction
============
- Requirements are identified as either MUST, MUST NOT, SHOULD, SHOULD NOT,
or MAY as defined in RFC 2119.
- Requirements should be targeted to a restricted set of nouns related
to VNFs and within the control of the VNF provider. The current list
of VNF Requirement targets is:
- The VNF
- The VNFC
- The VNF Provider
- The VNF Heat Orchestration Template
- The VNF Package
- Chapter 4 contains the xNF requirements involving the design and
development of xNFs. These requirements help VNFs/PNFs operate
efficiently within a cloud environment. Requirements cover design,
resiliency, security, modularity and DevOps.
- Chapter 5 describes the different data models the xNF provider
needs to understand. There are currently 2 models described in this
document:
- The first model is the onboarding package data model. This is a TOSCA
model that will describe how all the elements passed from the VNF/PNF
Provider to the Service provider should be formatted and packaged.
- The second model is HEAT template used for orchestrating and
instantiating virtual resources in an OpenStack environment. At this
time the HEAT files will be passed to the Service provider as a data
element within the TOSCA onboarding package.
- Chapter 6 details the requirements specific to an implementation.
The current implementations documented are OpenStack and Azure.
- Chapter 7 provides the comprehensive set of requirements for xNFs to
be on-boarded, configured and managed by ONAP.
- Chapter 8 is the appendix that provide a number of detailed data record
formats. It also contains a list of the requirements that are listed
in the other chapters as well as examples and models that are referenced
throughout the rest of the chapters.
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