Delivery of content
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United States of America Patent
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app pub date -
Jan 27, 2015
filing date -
Mar 2, 2011
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Abstract
Systems and methods are provided for a pull model for delivery of data such as content metadata among interconnected content delivery networks (CDNi), allowing for accurate metadata information in appropriate edge servers in a large CDNi system. When a request for an asset in a CDN (CDN A) is to be served by another, interconnected CDN (CDN B), a link to the location where the metadata is stored within CDN A can be provided along with the request for CDN B to serve the content to the user. The link can be passed to the appropriate edge device in CDN B, which can retrieve the metadata to set up and support the content session. The encrypted information can also be passed recursively by CDN B to other CDNs with which it is interconnected.
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