The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 01, 2020
Filed:
Sep. 14, 2017
Akamai Technologies, Inc., Cambridge, MA (US);
Byung K. Choi, Cambridge, MA (US);
Akamai Technologies, Inc., Cambridge, MA (US);
Abstract
This document describes systems, methods and apparatus for locating an object and/or processed versions of that object in a CDN cache system. When a CDN server needs to send a forward request to an origin server to retrieve an object, the CDN server can append a 'cache hint' (sometimes referred to herein as a pointer or as 'reverse cookie') to its request. The cache hint preferably includes information that will be stored at the origin server and provided to other CDN servers that subsequently ask for the same object. Preferably the information is a pointer that will enable the object to be located within the CDN and/or enable the location of modified version of the object that have already been created and stored within the CDN.
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