Optical router

Details Optical router Optical router

1999-10-29

2003-07-15

Chan, Jason (Department: 2733)

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

C359S199200, C359S199200, C359S199200, C359S199200, C385S024000

Reexamination Certificate

active

06594049

ABSTRACT:

FIELD OF THE INVENTION
The present invention relates generally to the field of telecommunications and in particular to an optical router particularly well suited for use in internetworking, e.g, Internet Protocol (IP) networks.
BACKGROUND OF THE INVENTION
The exponential growth of the Internet has generated tremendous demand for new and highly efficient internetworking components. Components of particular importance to internetworking are routers—devices which route traffic from network to network as appropriate.
Current generation routers are electronic devices whose capacity to route traffic is rapidly being approached. Consequently, enormous interest is being shown in optical routing in the belief that optical routers will provide a capacity and performance suitable to support the growing volume of Internet traffic. We present herein a novel, optical internetwork router.
SUMMARY OF THE INVENTION
We have developed an optical router that utilizes an N×N optical frequency router and N fast transmitters including N fast, tunable lasers and N fast modulators. Routing is performed by determining an intended destination for packets to be routed, appropriately “coloring” the packets in a destination-specific manner, and then transmitting the colored packets through the frequency router wherein it is routed to a desired destination. Unlike prior art routing methods and apparatus, the routing is performed according to color or frequency of the packet, and not by address.


REFERENCES:
patent: 5002350 (1991-03-01), Dragone
patent: 5136671 (1992-08-01), Dragone
patent: 5339157 (1994-08-01), Glance et al.
patent: 5367586 (1994-11-01), Glance et al.
patent: 5373517 (1994-12-01), Dragone et al.
patent: 5390200 (1995-02-01), Zirngibl
patent: 5483369 (1996-01-01), Darcie et al.
patent: 5506712 (1996-04-01), Sasayama et al.
patent: 5600742 (1997-02-01), Zirngibl
patent: 5867291 (1999-02-01), Wu et al.
patent: 5889906 (1999-03-01), Chen
patent: 5909522 (1999-06-01), Shirasaki et al.
patent: 6049404 (2000-04-01), Wu et al.
patent: 6137606 (2000-10-01), Wu et al.
patent: 6243402 (2001-06-01), Doerr
patent: 6330236 (2001-12-01), Ofek et al.
patent: 6359912 (2002-03-01), Doerr et al.
patent: 0 639 015 (1995-02-01), None
Sasayama, K. et al, “Demonstration of a Photonic Frequency-Routing-Type Time-Division Interconnection Network—Frontiernet—and Performance Analysis of FDM Buffers”,Advanced Switching Technologies for Universal Telecommunications at the Beginning of the 21stCentury, Berlin, Apr. 23-28, 1995, Berlin, VDE Verlag, DE., vol. Symp. 15, Apr. 23, 1995.

Affiliated with

Also associated with

Rating

Optical router does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Optical router, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Optical router will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3110531