A New Internet-Draft is available from the on-line Internet-Drafts directories.
Title : A Model Based Approach to Dynamic Service Chaining
Author : Jonathan Chin
Filename : draft-chin-nfvrg-model-dynamic-service-chain-00.txt
Pages : 13
Date : 2016-01-24
Abstract:
In the context of Network Function Virtualization (NFV), a service
chain refers to a group of Virtual Network Functions (VNFs) deployed
in a virtual infrastructure manager (VIM) environment, such as
OpenStack, to apply a set of networking services to users' traffic
passing through it.
Depending on the service requirements, the service chain may consist
of a single VNF or multiple VNFs deployed serially, or in parallel,
and the Virtual Network Forwarding Graph (VNF-G) describes the
topologies of how these VNFs are interconnected together via virtual
links to provide different networking services.
After a service chain is deployed, its user may require to modify
the VNF-G from time to time, and on-demand, to meet changing service
requirements. Therefore, operators may require to support a high
degree of flexibility to orchestrate the provisioning and dynamic
modifications of VNFs in service chains.
This document presents a hierarchical model based approach to allow
the NFV Orchestrator (NFV-O) and the VNF Manager (VNF-M) to support
the dynamic provisioning and on-demand modifications of VNFs in
service chains.
The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-chin-nfvrg-model-dynamic-service-chain/
There's also a htmlized version available at:
https://tools.ietf.org/html/draft-chin-nfvrg-model-dynamic-service-chain-00
Please note that it may take a couple of minutes from the time of submission
until the htmlized version and diff are available at tools.ietf.org.
Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/
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