Methods and apparatus to route packets in a policy driven...

Details Methods and apparatus to route packets in a policy driven... Methods and apparatus to route packets in a policy driven...

2003-04-02

2008-10-28

Nguyen, Chau (Department: 2616)

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

C370S401000

Reexamination Certificate

active

07443854

ABSTRACT:
Methods and apparatus to route packets in a networked environment are disclosed. In an example method, a first property value associated with a first property and a second property value associated with a second property are identified from the packet of information to be routed. A first binary tree associated with the first property is searched to retrieve a first bit vector associated with the first property value, and a second binary tree associated with the second property is searched to retrieve a second bit vector associated with the second property value. A routing policy may be identified based on the first and second bit vectors.

REFERENCES:
patent: 6539369 (2003-03-01), Brown
patent: 6788695 (2004-09-01), Nagasawa
patent: 2004/0052251 (2004-03-01), Mehrotra et al.
T.V. Lakshman et al. “High-Speed Policy-based Packet Forwarding Using Efficient Multi-dimensional Range Matching.” SIGCOMM: ACM Special Interest Group On Data Communication, 1998. pp. 203-214.

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