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US08972493B2 Cloud delivery with reusable resource indicator 有权
具有可重用资源指示器的云端传输

Cloud delivery with reusable resource indicator
Abstract:
Aspects of the present invention include using a single network identifier for delivering multiple versions of a content object. In some embodiments, a plurality of versions of the content object are created and associated with the single network identifier. When an edge server in a CDN receives a request for the content object, the edge server queries a policy server for a preferred version of the content object to deliver to an end user.
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