07315541 is referenced by 147 patents and cites 26 patents.

Mechanisms and techniques provide a method for routing a packet that includes a content request and an Internet Protocol address and port number that identify a source transmitting the packet. The method relates to selecting a routing policy to forward the packet, based upon at least a portion of content request. The method includes a data communications device receiving a packet having a content request and an Internet Protocol address and port number that identify a source transmitting the packet. The device performs a network address translation, based upon at least a portion of the content request, to translate the Internet Protocol address and port number of the packet to a respective communications device Internet Protocol address and communications device port number. The device then selects a routing policy based upon the communications device Internet Protocol address and routes the packet to a destination according to the routing policy.

Title
Methods and apparatus for routing a content request
Application Number
10/115555
Publication Number
7315541 (B1)
Application Date
April 3, 2002
Publication Date
January 1, 2008
Inventor
Tzu Ming Tsang
Chapel Hill
NC, US
Barron Housel
Chapel Hill
NC, US
Agent
BainwoodHuang
Assignee
Cisco Technology
CA, US
IPC
G06F 15/173
G06F 15/177
H04L 12/56
H04L 12/28
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