Posts about Network functions virtualization

Network transformation and changing subscriber traffic patterns have created new challenges to how service providers offer and deliver services. This, combined with changes in user behavior as demand shifts towards high bandwidth data and video services, requires a change in central office (CO) architectures for better efficiency and agility ...

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Network virtualization is the overarching concept for the move to NFV and telco cloud. This evolution hasn’t been easy. Poor performance, high cost and lack of interoperability have all been impediments. Now we’re seeing breakthroughs that are knocking down yesterday’s barriers. In this blog, I describe some requirements for success in this evolution. I also include some success stories about real-world deployments ...



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Software-defined WAN (SD-WAN) got its start as a way for end users to save money. SD-WAN let users create their own virtual private networks (VPNs) using low-cost broadband connections. Users quickly learned that being their own network operator brought a lot of unwanted complexity and headaches. Now, these same enterprises are asking service providers to offer managed SD-WAN services ...

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The internet of things (IoT) is pushing the enterprise network edge to new boundaries. With data soon to be streaming back and forth between legions of user devices across the globe, the edge will blow right past the cloud and even the micro data centers that will foster this widespread connectivity and extend all the way into our homes, businesses and even our bodies ...
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