Network Function Virtualization (NFV) and Software-defined networking (SDN) Consulting Service:

Network functions Virtualization (NFV) offers a new way to design, deploy and manage networking services. NFV decouples the network functions, such as network address translation (NAT), firewalling, intrusion detection, domain name service (DNS), caching, etc., from proprietary hardware appliances, so they can run in software.

It’s designed to consolidate and deliver the networking components needed to support a fully virtualized infrastructure – including virtual servers, storage and even other networks. It utilizes standard IT virtualization technologies that run on high-volume service, switch and storage hardware to virtualize network functions. It is applicable to any data plane processing or control plane function in both wired and wireless network infrastructures.

NFV virtualizes network services via software to enable customers to:

• Reduce CapEx: reducing the need to purchase purpose-built hardware and supporting pay-as-you-grow models to eliminate wasteful overprovisioning.
• Reduce OpEX: reducing space, power and cooling requirements of equipment and simplifying the roll out and management of network services.
• Accelerate Time-to-Market: reducing the time to deploy new networking services to support changing business requirements, seize new market opportunities and improve return on investment of new services. Also lowers the risks associated with rolling out new services, allowing providers to easily trial and evolve services to determine what best meets the needs of customers.
• Deliver Agility and Flexibility: quickly scale up or down services to address changing demands; support innovation by enabling services to be delivered via software on any industry-standard server hardware.

Software-defined networking (SDN) is an approach to networking in which control is decoupled from hardware and given to a software application called a controller. The goal of SDN is to allow network engineers and administrators respond quickly to changing business requirements. In a software-defined network, a network administrator can shape traffic from a centralized control console without having to touch individual switches. The administrator can change any network switch's rules when necessary -- prioritizing, de-prioritizing or even blocking specific types of packets with a very granular level of control.

NFV and SDN are closed related to each other. EterNova is specialized in NFV/SDN solutions, especially in the area of telecom virtualization space.

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