Methods and apparatus for routing a content request

Details Methods and apparatus for routing a content request Methods and apparatus for routing a content request

2008-01-01

2008-01-01

Chan, Wing (Department: 2616)

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

C370S397000, C709S220000, C709S223000

Reexamination Certificate

active

10115555

ABSTRACT:
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.

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