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Network Infrastructure Magazine | Tuesday, October 06, 2020
SDN is an essential element because it provides network operators with new ways to design, build, and operate their networks.
FREMONT, CA: In the last two decades, networks have come under increased traffic demands, and increased scrutiny as businesses and consumers rely on network connectivity for sales, internal communications, customer service, and document sharing. SDN, coupled with NFV, is a key technology that is needed to meet these new demands. SDN is just a piece of the puzzle: Network Virtualization (NV), SDN, network function virtualization (NFV), and white box devices offer network operators with a new way to design, deploy, and manage the network and its services.
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SDN segregates the network’s control and forwarding planes and offers a centralized view of the distributed network for efficient orchestration and network services automation.
[vendor_logo_first]NFV is keen on optimizing the network services themselves. NFV decouples the network functions, like DNS, caching, firewalls, routing, and load balancing, from the proprietary hardware appliances. Decoupled functions can run in software to augment service innovation and provisioning, specifically within service provider environments like the public cloud.
Why SDN is important for Today’s Networking
With the abstraction from hardware and considering all the limitations that a hardware-bound network had, SDN, NFV, and NV technologies develop networks that can allow innovation, offer new services, reduce capex and opex, and deliver the fluidity and flexibility.
Organizations can allow innovation with SDN by creating new kinds of applications, services, and business models in a record amount of time and with less hassle than before. Businesses can develop new services and new paths for revenue with dynamic applications and more efficient workflow. Network functions can be run on less-expensive off-the-shelf hardware, reducing capex. Enterprises can reduce opex on IT services by supporting automation and algorithm control through increased programmability of network elements to make it simple to design, deploy, manage, and scale networks. Through SDN, these approaches and technologies combined help organizations rapidly deploy new, fluid, and flexible applications, services, and infrastructure to meet their changing requirements quickly.
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