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:
Feb. 02, 2016
Filed:
Jan. 30, 2012
Stuart J. Hayton, Portsmouth, GB;
David R. Jones, Eastleigh, GB;
Alwyn R. Lobo, Bangalore, IN;
Robert B. Nicholson, Southsea, GB;
Graeme P. Vetterlein, Crowthorne, GB;
Stuart J. Hayton, Portsmouth, GB;
David R. Jones, Eastleigh, GB;
Alwyn R. Lobo, Bangalore, IN;
Robert B. Nicholson, Southsea, GB;
Graeme P. Vetterlein, Crowthorne, GB;
International Business Machines Corporation, Armonk, NY (US);
Abstract
Disclosed is a program for validating a web cache independent of an origin server. A computer in between a client computer and the origin server computer receives a request for a resource and an entity tag (ETag) corresponding to the request. The computer forwards the request to the origin server and subsequently receives the resource. The computer generates an ETag for the received resource and compares the generated ETag to the ETag corresponding to the request. If the ETags match, the computer sends an indication toward the client computer that the resource has not been modified.