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FCW : October 30, 2012
October 30, 2012 FCW.COM 29 "You re only going to pay for what you need rather than for an entire duplicate of everything that s sit- ting idle waiting for a disaster," said Chuck Riddle, CIO at the Government Printing Of ce. He said his department is actively evaluating cloud-based disaster recovery but has not made the move yet. "Done cor- rectly, it opens up a lot of options for doing disaster recovery better than in the past, but the devil s always in the details when it comes to how you actually move forward." Why it matters Because disaster recovery investments have been dif- cult to justify, some organizations have attempted to do it on the cheap, said Rachel Dines, a senior analyst at Forrester Research. For example, they might buy only enough duplicate resources to protect mission- critical applications, leaving second-tier but still valu- able systems vulnerable to extended outages. But the economies of scale offered by clouds could mitigate those trade-offs. New data from Forrester shows an increasing interest in cloud solutions for disaster recovery. The rm approached IT managers whose organizations have already adopted infrastruc- ture as a service and asked how much the access to improved disaster recovery had factored into their decision. Almost half said it was very important, and another 28 percent ranked it high on the importance scale, Dines said. Paying only for the resources you need --- and only when you need them --- is not the only appeal, ana- lysts say. Another potential bene t is faster recovery times. The classic benchmarks of effectiveness are recovery time objectives (RTOs) and recovery point objectives (RPOs). The former is an estimate of how fast critical resources will be returned to normal after a disaster, while the latter de nes the point from which data will be restored --- for example, when the failure occurred or as of the previous night s backup. "Many of the clients we talk to who are interested in recovery as a service are looking for improvement in their RTOs and RPOs," said Kevin Knox, a research director at Gartner. DRaaS can also help IT managers sleep better at night because regular testing is written into the solution s service-level agreement (SLA). By contrast, testing can fall through the cracks in traditional envi- ronments because it disrupts daily operations, Riddle said. But IT managers must weigh a number of pros and cons when they consider DRaaS. "DR in a cloud is by no means a slam dunk," said Yogesh Khanna, vice SPONSORED BY Level 3 Communications SCAN THIS QR CODE with your smartphone for the full research report. TOPICS INCLUDE IP convergence is a must for future communications Voice is still the core of converged communications The cloud will play a big part A focus on security is essential to convergence DOD plans base the future on IP convergence FCW.com/ConvergingComm TO LEARN MORE, VISIT SPECIAL REPORT SPECIALR EPORT ECIAL REPO oergg omm co
October 15, 2012
November 15, 2012