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What is the purpose of this paper?  Who is the audience? What should the reader get from reading?

Network Function Virtualization (NFV) is the process of moving from the traditional, vertically-integrated Telco stack consisting of dedicated hardware to

an infrastructure based on generic hardware and composed of diverse software elements provided by different vendors.  A major goal of NFV is be able to

integrate hardware and software from multiple sources yet achieve the reliability, availability and performance of the traditional approach. 

Vertically-integrated systems achieve reliability and availability by providing well-coordinated processes of monitoring and fault recovery.  A challenge for

NFV is to provide an equivalent level of reliability and availability while tying together hardware and software that have been developed separately.   The

Network Function Virtualization Infrastructure (NFVI) consisting of hardware from multiple sources must by monitored with equivalent effect as traditional systems

with that monitoring information being delivered to the Virtualized Infrastructure Manager (VIM) in sufficient quality and latency such that traditional levels of availability 

and reliability can be achieved.

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NFVI/VIM and NFV

A succinct definition of what is the NFVI/VIM (In the initial paper, the VIM is based upon OpenStack)

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