Importance

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Abstract

Delivering a content stream within a content delivery network (CDN) includes recording the stream using a recording tier, and playing the stream using a player tier. For a live stream, recording the stream begins when the stream is received at a CDN entry point in a source format. The stream is then converted into an intermediate format (IF), which comprises a stream manifest, a set of one or more fragment indexes (FI), and a set of IF fragments. A player process begins when a requesting client is associated with a CDN HTTP proxy. In response to receipt at the HTTP proxy of a request for the stream, the HTTP proxy retrieves the stream manifest and at least one fragment index. Using the fragment index, the IF fragments are retrieved to the HTTP proxy, converted to a target format, and then served in response to the client request. Preferably, fragments are accessed, cached and served by the HTTP proxy via HTTP.

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First Claim