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:
May. 04, 2010
Filed:
Jul. 08, 2008
Justin P. Bandholz, Cary, NC (US);
Clifton E. Kerr, Durham, NC (US);
Joseph E. Maxwell, Cary, NC (US);
Philip L. Weinstein, Apex, NC (US);
Justin P. Bandholz, Cary, NC (US);
Clifton E. Kerr, Durham, NC (US);
Joseph E. Maxwell, Cary, NC (US);
Philip L. Weinstein, Apex, NC (US);
International Business Machines Corporation, Armonk, NY (US);
Abstract
Methods, systems and computer program products for packet prioritization based on delivery time expectation. Exemplary embodiments include receiving a packet for routing, estimating a TimeToDestination for the packet, the estimating performed by a Internet Control Message Protocol, reading a TimeToDeliver field from each the Internet Protocol Header of the packet to extract data on when the packet needs to be at the destination, determining a MaxQueueDelay for the packet, the MaxQueueDelay calculated by subtracting the TimeToDeliver from the TimeToDestination, passing a lower priority packet if the lower priority packet has a lower MaxQueueDelay, and decrementing the TimeToDeliver by an amount of time the network router has had the packet in the queue before passing the packet to a next router, thereby communicating to the next router how much time is left before the packet must be delivered.