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-01.txt Pages : 13 Date : 2016-02-03 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-01 A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=draft-chin-nfvrg-model-dynamic-service-chain-01 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/ _______________________________________________ I-D-Announce mailing list I-D-Announce@ietf.org https://www.ietf.org/mailman/listinfo/i-d-announce Internet-Draft directories: http://www.ietf.org/shadow.html or ftp://ftp.ietf.org/ietf/1shadow-sites.txt