System and method for improving the efficiency of routers on...

Details System and method for improving the efficiency of routers on... System and method for improving the efficiency of routers on...

2007-10-30

2011-12-06

Li, Shi K (Department: 2613)

Optical communications

Multiplex

Optical switching

C398S053000, C398S052000, C398S043000, C398S044000

Reexamination Certificate

active

08073327

ABSTRACT:
Optical routers are currently unable to do packet switching except by translating the data to electronic data and then back, which is very inefficient. The present invention solves this problem by optically marking and detecting the packet headers or parts of them, translating at most only the headers or parts of them to electronics for making packet switching decisions, and keeping the rest of the packets in optical delay lines, and solving response-time problems. Another optimization described in this invention is improving routing efficiency and bandwidth utilization by grouping together identical data packets from the same source going to the same general area with a multiple list of targets connected to each copy of the data and sent together to the general target area. Another important optimization is a new architecture and principles for routing based on physical geographical IP addresses.

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