Creation of functions which may be chained to deliver communication services
Network functions virtualization (NFV)[1] is a network architecture concept that leverages IT virtualization technologies to virtualize entire classes of network node functions into building blocks that may connect, or chain together, to create and deliver communication services.
NFV relies upon traditional server-virtualization techniques such as those used in enterprise IT. A virtualized network function, or VNF, is implemented within one or more virtual machines or containers running different software and processes, on top of commercial off the shelf (COTS) high-volume servers, switches and storage devices, or even cloud computing infrastructure, instead of having custom hardware appliances for each network function thereby avoiding vendor lock-in.
For example, a virtual session border controller could be deployed to protect a network without the typical cost and complexity of obtaining and installing physical network protection units. Other examples of NFV include virtualized load balancers, firewalls, intrusion detection devices and WAN accelerators to name a few.[2]
The decoupling of the network function software from the customized hardware platform realizes a flexible network architecture that enables agile network management, fast new service roll outs with significant reduction in CAPEX and OPEX.
Networkfunctionsvirtualization (NFV) is a network architecture concept that leverages IT virtualization technologies to virtualize entire classes of...
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x86 virtualization is the use of hardware-assisted virtualization capabilities on an x86/x86-64 CPU. In the late 1990s x86 virtualization was achieved...
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network reliability, technological interoperability, emergency services, billing, M2M, the all IP transition, and networkfunctionvirtualization. "Archived...
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a storage system, there are two primary types of virtualization that can occur: Block virtualization used in this context refers to the abstraction (separation)...
authority VirtualizedNetworkFunctions, software implementations of networkfunctions that can be deployed on a NetworkFunctionVirtualization Infrastructure...
nodes, while some applications do not scale horizontally. Networkfunctionvirtualization defines these terms differently: scaling out/in is the ability...
in software-defined networking, big data systems, low latency networking, content distribution and networkfunctionvirtualization. Akella completed his...
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