Does virtualisation cause data centre bottlenecks?

The CTO of telecommunications firm Interoute discusses data centre bottlenecks caused by virtualisation - is it a valid concern?

Matthew Finnie, CTO of managed hosting telecommunications company Interoute discusses data centre bottlenecks caused by virtualisation.

Is it a valid concern, and should companies be mitigating against it with new networking and switching equipment?

Stuart Sumner, chief reporter at Computing poses the questions.