Yes, SDN and NFV Have Benefits Even for Transport Networks

Posted by Mae Kowalke on Friday, June 03, 2016 with No comments

Beyond the obvious service delivery network, performance monitoring, and edge applications, software-defined networking (SDN) and network functions virtualization (NFV) have benefits even for transport networks, argues Accedian CTO Claude Robitaille, in an article published in the June, 2016 edition of Cable and Satellite International's CSI Magazine.


The spectrum from traditional test probe architecture (standalone) vs. NFV-powered smart SFPs and virtual NIDs, along with options to host them


The benefits of SDN for management, service definition, and optimal partner carrier and route selection are pretty straightforward. Least cost routing is a great example of how SDN can be applied in transport networks: it offers the the automation capabilities to choose partner carriers with the lowest transport cost in the moment, for a particular application, even over multi-carrier, multi-hop routes. Previously, this would have required sophisticated home-grown network management systems.

NFV might seem a bit more of a stretch for networks largely concerned with moving bits rather than delivering services, but even here some of the important feedback mechanisms relied on to optimize transport, assure SLAs, and monitor performance and security, are very well suited to virtualization, Robitaille posits.

Read the full article for an in-depth look at what virtualized instrumentation looks like, what it’s capable of, and why it’s transformative to carriers in terms of cost, deployment efficiency, and value.



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