Shuttleworth told delegates at a BT open-source event on Monday that to emerge as a leader among the alternatives now on offer, a cloud platform must have open-source implementations. He gave the example of the Eucalyptus implementation of EC2, which the Canonical-sponsored Ubuntu Linux distribution has adopted for private and public cloud use.
"The winner will be either explicitly Amazon EC2 or, if [other players] get into gear, an IETF standard closely modelled on EC2," he said, referring to the Internet Engineering Task Force standards-setting body.
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