Content delivery network with deep caching infrastructure

摘要

Embodiments herein include methods and systems for use in delivering resources to a client device over a local network. An exemplary system comprises a plurality of caching devices operable to cache resources on behalf of a plurality of content providers, and a local caching device communicatively situated between an access network and the client device, wherein the access network is communicably situated between the plurality of caching devices and the local caching device. The local caching device is operable to retrieve a requested resource from at least one of the plurality of caching devices, deliver the requested resource to the client device over the local network, and store the requested resource for future requests by other client devices.

主权项

1. A method for proactively loading resources on a local caching device associated with a community of local caching devices, wherein the community of local caching devices is communicatively coupled via an access network to at least one content delivery network (CDN) caching device, the method comprising:
in response to determining that a given resource meets certain popularity criteria and is not stored on the local caching device, determining whether the given resource is stored on at least one other local caching device in the community, and, if so, retrieving the given resource from the at least one other local caching device, wherein the at least one other local caching device has determined that the given resource meets certain popularity criteria and has retrieved the given resource from the at least one CDN caching device via the access network; and in response to determining that the given resource is not stored on at least one other local caching device in the community, retrieving the given resource from the at least one CDN caching device via the access network.