Akamai Technologies, Inc.

Jozef Hatala

Stephen L Ludin

Martin T Flack

Moritz M Steiner

Matthew J Stevens

Frederick R Shotton

Prasanna Laghate

An Internet infrastructure delivery platform operated by a provider enables HTTP-based service to identified third parties at large scale. The platform provides this service to one or more cloud providers. The approach enables the CDN platform provider (the first party) to service third party traffic on behalf of the cloud provider (the second party). In operation, an edge server handling mechanism leverages DNS to determine if a request with an unknown host header should be serviced. Before serving a response, and assuming the host header includes an unrecognized name, the edge server resolves the host header and obtains an intermediate response, typically a list of aliases (e.g., DNS CNAMEs). The edge server checks the returned CNAME list to determine how to respond to the original request. Using just a single edge configuration, the CDN service provider can support instant provisioning of a cloud provider's identified third party traffic.

Multi-domain configuration handling in an edge network server

Described herein are systems, devices, and methods for content delivery on the Internet. In certain non-limiting embodiments, a caching model is provided that can support caching for indefinite time periods, potentially with infinite or relatively long time-to-live values, yet provide prompt updates when the underlying origin content changes. In one approach, an origin server can annotate its responses to content requests with tokens, e.g., placing them in an appended HTTP header or otherwise. The tokens can drive the process of caching, and can be used as handles for later invalidating the responses within caching proxy servers delivering the content. Tokens may be used to represent a variety of kinds of dependencies expressed in the response, including without limitation data, data ranges, or logic that was a basis for the construction of the response.

Methods and systems for caching content valid for a range of client requests

Distributed caching system with distributed notification of current content

Distributed caching system with subscription based notification of cache invalidations

Systems and methods for caching content with notification-based invalidation

Growing community of inventors

San Mateo, CA, United States of America

Jozef Hatala