Industry Watch: Migrating existing apps to the cloud
July 15, 2011 —
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As for the cloud vendor, you need to check on performance and security. How much latency in the cloud is acceptable? Will the app run faster in the cloud? Is the data subject to compliance, or it is sensitive?
You will also need to consider the service itself: Is it dedicated or a shared tenant? How much control over your networking will you have? What are the hardware, hypervisor and operating system stacks? Each has idiosyncrasies and limitations.
During the staging step, the organization wants to prove the concept of the application working in the cloud, he said. Migration test pools must be created that mimic the cloud to which the application will be deployed, and any network changes must be evaluated here.
Finally, if it passes all these tests, you’re ready to migrate your application to the cloud. From there, you can look to optimize performance for the cloud experience, which is often markedly different from the desktop experience—especially if the application is being used more on devices than desktops once it’s deployed.
New apps for the cloud? Relative piece of cake. Moving existing apps to the cloud? Not so much.
David Rubinstein is editor-in-chief of SD Times.