ETSI - GS NFV-REL 002
Network Functions Virtualisation (NFV); Reliability; Report on Scalable Architectures for Reliability Management
|Publication Date:||1 September 2015|
The present document describes a study of how today's Cloud/Data
Centre techniques can be adapted to achieve scalability,
efficiency, and reliability in NFV environments. These techniques
are designed for managing shared processing state with low-latency
and high-availability requirements. They are shown to be
Accordingly, the scope of the present document is stated as follows:
• Provide an overview of how such architectures are currently deployed in Cloud/Data Centres.
• Describe various categories of state and how scaling state can be managed.
• Describe scale-out techniques for instantiating new VNFs in a single location where failures have occurred or unexpected traffic surges have been experienced. Scale-out may be done over multiple servers within a location or in a server in the same rack or cluster within any given location. Scaling out over servers in multiple locations can be investigated in follow-up studies.
• Develop guidelines for monitoring state such that suitable requirements for controlling elements (e.g. orchestrator) can be formalized in follow-up studies.