System and method of routing data packets using trunk ports...

Details System and method of routing data packets using trunk ports... System and method of routing data packets using trunk ports...

2011-05-03

2011-05-03

Harrell, Robert B (Department: 2442)

Electrical computers and digital processing systems: multicomput

Computer-to-computer protocol implementing

Reexamination Certificate

active

07937483

ABSTRACT:
A system and method of routing data packets is disclosed. In a particular embodiment, the method includes receiving a first Internet Protocol (IP) data packet at a first access port of an access line card within a data router. The method also includes transmitting the first IP data packet from the first access port to a network line card within the data router, via a first trunk port of the access line card. The first access port is coupled to the first trunk port and not coupled to at least one other access port. The method further includes receiving a second IP data packet at a second trunk port of the access line card from the network line card. In addition, the method includes transmitting the second IP data packet from the second trunk port to a second access port of the access line card.

REFERENCES:
patent: 6633563 (2003-10-01), Lin et al.
patent: 6785286 (2004-08-01), O'Keeffe et al.
patent: 6950430 (2005-09-01), Kalkunte et al.
patent: 2004/0170176 (2004-09-01), Kadambi et al.
“Crossbar Switch” from Wikipedia, the Free Encyclopedia, http://en.wikipedia.org/wiki/Crossbar, printed Nov. 2, 2005, 3 pp.
“Serial Communications” from Wikipedia, the Free Encyclopedia, http://en.wikipedia.org/wiki/Serial—communications, printed Nov. 2, 2005, 3 pp.
“ATM Switch Line Card” Freescale Semiconductor, 2004, 4 pp.
“Switch Fabric Data Sheet for 89TSF500” Integrated Device Technology, Inc., 2005, 37 pp.

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