SDN and NFV The Final Hurdles

JellyfishWhilst the development of both SDN and NFV technologies has been dramatic over recent years, there is still a significant amount of work to be done before we are market ready. Here we spoke to CTTC Senior Researcher Ricard Vilalta to hear his thoughts on misconceptions of the technology, the biggest benefits and also the final roadblocks ahead of deployment

Software Defined Networking

What are the biggest misconceptions regarding SDN?

One of the main misconceptions around SDN is that SDN might increase network complexity. New out-of-the-box solutions are in a good position to ease the transition to an SDN network, while allowing the necessary degree of network programmability.

Where will operators see the biggest benefits when implementing SDN technologies?

I would say that SDN is mainly about OpEx. The great benefit comes with the agile of introduction of disruptive new services. Moreover, operators are looking at SDN as an opportunity to softwarize their future networks, in order to fully embrace IT world, as well as using network programmability as a tool to by-pass vendor lock-in.

What are the current roadblocks for live deployment?

Reliability is a key issue, which can be related also with security concerns. Proof-of-Concept have been successfully demonstrated, and field deployments are on the way.

Network Function Virtualization

What are the biggest misconceptions regarding NFV?

NFV has been typically confused with SDN, but now we have a clear distinction between them and how they can mutually benefit. Another misconception about NFV is that it only relates with the virtualisation of network functions which relate with data plane. NFV can also be applied to network control plane functions.

Where will operators see the biggest benefits when implementing NFV technologies?

The benefits of NFV are tied to SDN benefits, as the main benefit will be on OpEx. Introducing whiteboxes will also have an impact on CapEx as well.

What are the current roadblocks for live deployment?

The main difficulty for NFV deployment is the need to move network operators to an IT world, embracing DevOps. Until we do not resolve this change of paradigm NFV deployments will be limited to small PoC and field trials.


Ricard CTTCRicard Vilalta will also be speaking at IIR’s 4th Annual Network Virtualization Forum, Europe where he will offer his views on Transport SDN challenges

For more information, and to download the full e-brochure, follow this link: http://www.networkvirtualizationeurope.com/

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