Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
November 15, 2011
Patent Application Number
11980401
Date Filed
October 31, 2007
Patent Citations Received
Patent Primary Examiner
Patent abstract
A repeater server in a content delivery network (CDN) maintains a list of resources that are no longer valid. When the server gets a request for a resource, it checks whether that resource is on the list, and, if so, it replicates the resource from a content provider's content source such as an origin server. Otherwise the repeater server tries to serve a copy of the requested resource or to obtain a copy from another location in the CDN.
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