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. 24, 2011
Filed:
Dec. 20, 2007
David Z. LU, Dallas, TX (US);
Edward Y. Qian, Plano, TX (US);
Rupert Zhu, Richardson, TX (US);
San-qi LI, Plano, TX (US);
David Z. Lu, Dallas, TX (US);
Edward Y. Qian, Plano, TX (US);
Rupert Zhu, Richardson, TX (US);
San-Qi Li, Plano, TX (US);
Genband US LLC, Plano, TX (US);
Abstract
The subject matter described herein includes methods, systems, and computer program products for source-aware IP routing at a media gateway. According to one aspect, a method for source-aware IP routing at a media gateway is provided. The method includes providing a packet including a layersource address and a layerdestination address at a media gateway having a source-aware routing table. Using the destination address included in the packet, at least one entry corresponding to the destination address is located in the source-aware routing table, where the located entry contains at least a portion of a source IP address, at least a portion of a destination IP address and routing information including an interface identifier and a next hop identifier. From among the at least one located entry corresponding to the destination IP address information, at least one entry corresponding to the source IP address included in the packet is located. Based on the routing information located in the routing table, the packet is routed to the destination.