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:
Dec. 10, 2013
Filed:
Oct. 16, 2012
Mohammad Taghi Hajiaghayi, Florham Park, NJ (US);
Mohammad Hossein Bateni, Princeton, NJ (US);
Mohammad Taghi Hajiaghayi, Florham Park, NJ (US);
Mohammad Hossein Bateni, Princeton, NJ (US);
AT&T Intellectual Property II, L.P., Atlanta, GA (US);
Abstract
A method includes receiving demand information from edge routers, estimating an optimal request distribution based on the demand information using a bicriteria approximation algorithm, wherein initial programming states for the estimation are specified by (u, F, D, F, D, F, Fimp), where u is a current node, F is a vector representing an available facility for large capacity, D is a vector representing an outsourced large client, Fis an amount of cache server capacity offered to small clients, Dis a total demand of outsourced small clients, Fis an index of a cache server being exported from a subtree, and Fis an index of another cache server of another subtree that is being utilized, and providing each of the edge routers with anycast route information for the cache servers.