Enterprise Tech Journal March/April 2013
March/April 2013

Are three data centers better than two for Disaster Recovery (DR)? Using technologies such as Geographically Dispersed Parallel Sysplex (GDPS), which facilitates near continuous availability, more organizations are aiming for uninterrupted uptime. The rule of thumb used to be simple failover in a single data center with a hotsite or coldsite backup with more relaxed Recovery Time Objectives (RTOs). Now more enterprises are looking at two separate data centers, and in some cases, a three data center DR and failover model that minimizes or eliminates RTO lag time altogether. Let’s consider these newer DR data center models…

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