Methods, systems, and computer program products for...

Details Methods, systems, and computer program products for... Methods, systems, and computer program products for...

2006-12-21

2010-06-08

Ferris, Derrick W (Department: 2463)

Multiplex communications

Communication techniques for information carried in plural...

Adaptive

Reexamination Certificate

active

07733899

ABSTRACT:
The subject matter described herein includes methods, systems, and computer program products for rate-based distribution of layer 2 packets for in-line processing at a layer 2 packet forwarding device. According to one aspect, the subject matter described herein includes a method for distributing layer 2 packets for in-line processing at a transmission rate less than a received transmission rate. The method includes receiving an input stream of layer 2 packets at an input port of a layer 2 packet forwarding device. The input port has a first transmission capacity. The input stream of layer 2 packets is divided into at least two substreams of layer 2 packets of different transmission rates. The first substream of layer 2 packets is layer 2 redirected to a first set of output ports of a slower transmission capacity than the input port. The second substream of layer 2 packets is flooded to a second set of output ports, with a transmission capacity equal to the first set of output ports. The transmission rates of the first and second substreams of layer 2 packets are selected to optimize the load sharing among the first and second sets of output ports.

REFERENCES:
patent: 6473424 (2002-10-01), DeJager et al.
patent: 2006/0013182 (2006-01-01), Balasubramanian et al.
patent: 2006/0095970 (2006-05-01), Rajagopal et al.
patent: 2006/0104271 (2006-05-01), Samudra
patent: 2007/0168475 (2007-07-01), Mullahy et al.

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