Amazon glitch raises questions on cloud

As technical problems interrupted offsite data storage provided by Amazon for a second day yesterday, industry analysts said the troubles will prompt many companies to reconsider relying on remote computers beyond their control.

“This is a wake-up call for cloud computing,’’ said Matthew Eastwood, an analyst for the research firm IDC, who used the term for accessing services and information in big data centers remotely over the Internet from anywhere, as if the services were in a cloud. “It will force a conversation in the industry.’’

That discussion, he said, will likely center around what data and computer operations to send off to the cloud and what to keep inside the corporate walls...

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