Network Configuration Impacts Virtualization

Network performance and security are hindering virtualization efforts.

By Enterprise Networking Planet Staff | Posted Mar 26, 2010
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Network performance and security are hindering virtualization efforts in many companies. According to this Computing UK report, legacy networks with limited bandwidth can be unsuitable for large-scale virtualization projects that collapse multiple physical servers into a smaller number of hosts transmitting lots.


"Colin Williams, networking and security practice leader at Comp­utacenter, says legacy networks with limited bandwidth can be unsuitable for large-scale virtualization projects that collapse multiple physical servers into a smaller number of hosts transmitting lots of server-to-server VMs and up­stream data traffic to core switches.

"'I don’t think people need to throw out what they already have, but they need to review it,' he said. 'The core is pretty robust, but it needs to be reconfigured to handle multiple virtual servers and the placement of VMs on top of those hosts. If you do not understand and apply real network data path and point-to-point communications, you can quickly come up against bottlenecks you did not know existed,' he said.

Read the Full Story at Computing UK

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