US Patent 11252253 Caching aggregate content based on limited cache interaction

A system comprising: a plurality of mobile edge caches integrated within a corresponding plurality of mobile environments; a core cache managed by a content delivery network extender (CDNE) service, the core cache to store content titles from at least one content provider and to selectively distribute the content titles to the mobile edge caches, wherein each content title is encoded at a plurality of stream rates and comprises a plurality of title segments, each title segment associated with a particular one of the stream rates and capable of being independently cached in the core cache and the plurality of mobile edge caches; a content collector coupled to the core cache, the content collector to cause title segments to be collected and stored in the core cache, the content collector to aggregate cache usage data provided by the plurality of mobile edge caches and to identify title segments to be collected and stored in the core cache based on an evaluation of the aggregate cache usage data.