Patent ID: 7251681
Filing Date: 2007-07-31
Classification: H04L,Y10S

Abstract:
1. A method for making content available for users in a computer network, the content having an original location, the method including: forwarding the content to one or more caches distributed throughout the computer network, each of said caches coupled to a switch or router; storing the content in each of said one or more caches; storing a record identifying said content in each of said one or more caches, said record for any particular cache of said one or more caches having an original location field identifying the original location of said content, a distance field indicating a distance from said particular cache to the original location of said content, wherein said distance field is utilized upon receiving a request, said request including a SYN packet, domain information, and file type information, and a field indicating a version number of said content; and transferring said request to a second cache closer to the original location of said content than a first cache as determined by the distance field in said first cache and a distance field in said second cache, if said first cache does not exist or said first cache does not have an entry in said record with the original location field identical to said original location of said content.