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Published on : Jan 12, 2017

ALBANY, NY, Jan 12, 2017: The report deals with the development of network function virtualization (NFV) as a part of the virtualization in telecom networks. It highlights the role that network function virtualization and software defined networking (SDN) has played in the development of fixed networks and data centers. This technology has gained traction in the near past and is incessantly gaining popularity among telecom operators in the telecom industry. Leading telecom operators are forming close bonds and alliances with the several leading equipment vendors. In March, several telecom operators announced the implementation of new strategies and displaying that network function virtualization will be a requisite part of the future of telecom and IT. 

Network functions virtualization is type of network architecture model which uses the advance technologies of information technology (IT) virtualization to virtualize an entire class of network node functions into several building blocks that might chain together or connect to form communication services. NFV depends on, but varies from, the conventional server-virtualization methods, such as the ones employed in enterprise IT. A virtualized network function, i.e. VNF, might comprise one or multiple virtual machines operating various diverse software and procedures along with standard high-volume servers, storage devices and switches, and even a cloud computing infrastructure, instead of having a custom hardware appliance for each of the network functions.

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For instance, a virtual session border controller might be installed to guard a network leaving out the typical complexity and cost of obtaining and fitting physical network protection components. Other examples of network function virtualization comprise firewalls, virtualized load balancers, WAN accelerators, and intrusion detection devices. NFV is basically not dependent on SDN concepts. It is completely probable to device a virtualized network function (VNF) as a separate entity using the current networking and instrumentation paradigms. Nevertheless, there are essential profits in leveraging SDN ideas to implement and accomplish an NFV infrastructure, chiefly when observing the organization and orchestration of VNFs. This is the reason multivendor platforms are being demarcated to incorporate SDN and NFV in concentrated ecosystems. 

An NFV infrastructure requires a chief orchestration and administration system that takes the operator requests related to a VNF, decodes them into an appropriate processing code, storage and network conformation to bring the VNF into task. Once in operation, it hypothetically should be supervised for capacity and utilization, and modified if necessary. Some of the players in the market are ADVA, Amdocs, British Telecom, China Mobile, Cisco, Ericsson, Telekom Austria, Vodafone, and Telenor. 

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