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What are some roadblocks to cloud-based DR deployment?

Cloud-based disaster recovery sounds almost too good to be true. What are some challenges to look out for?

When evaluating cloud-based disaster recovery (DR), the biggest challenge is that your application has to run in the cloud. For the most part, if you are talking about a mainframe application or a big box Unix application, those are not really compatible with the cloud. While you can do some very basic data parking and bring that data to another physical location in the event of a failure, you will not gain that much compared to shipping tapes.

Probably the biggest issue with cloud-based DR is compatibility and fit with the cloud. Once you have decided to send data to the cloud, you have to deal with data privacy and security issues. That may end up being a problem.

If you can run a given disaster recovery application in the cloud, you must determine what you will gain from doing that. The nice thing about the cloud is that it is located somewhere other than your headquarters, which typically gives you geographic redundancy. Many cloud providers offer a dispersed form of geographic redundancy -- whenever you give them a byte of data, they will copy it many times to many different locations.

For companies that operate only one data center, the cloud is a nice way of getting access to geographic redundancy without spending the money to build multiple data centers that you might not need.

Next Steps

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What are some roadblocks that have kept you from implementing cloud-based disaster recovery?
The biggest challenge with cloud-based disaster recovery is the fact that such applications have to run in the cloud. As a result, relating mainframe application or big box Unix application incompatible with the cloud calls for basic data parking to transfer these data to a different physical location to assist when there is a system failure. Otherwise, the organization doesn’t gain much from such a transfer. This geographic redundancy is important for security and privacy.
A major problem with Cloud Dr deployment is that the application runs in the cloud causing data privacy concerns and security issues after storing information.
Trust, privacy and security are the issues with any kind of cloud service--but once a company can establish a relationship with a service provider that also provides adequate peace of mind, then it's hard to come up with a real strong argument against cloud DR.