A virtual migration
Frank Puranik of iTrinegy explains how network emulation helped Capita to virtualise its data centres.
Capita Group has an on-going project to migrate computing services located in individual business data centres to Capita Business Services’ main data centre. Prior to this centralisation/consolidation most of the group’s applications had been delivered from a local data centre to the end-users via a LAN, but with the ongoing data centre migration programme these are now delivered across a WAN-based network.
The need for applications (often bespoke) to continue guaranteeing first class performance was a prerequisite. In migrating these applications, the servers they were running on were also scheduled to be virtualised to save on power, cooling and the cost of redundant server resources.
Picture yourself sitting at a road traffic controller’s (imaginary) dashboard. There would be red lights showing problems at traffic lights, roundabouts, road closures, accidents etc, and green lights indicating everything is fine.
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