Low-latency high-bandwidth tdm-wdm network architecture
CA 2272786 C · Owner: National Research Council Of Canada · Inventors: Boothroyd, Simon; Chrostowski, Jacek; Saraswat, Sanjay
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A low-latency, high-bandwidth, hybrid TDM/WDM architecture for connecting processing nodes into a high-performance computing environment designed as a system, area network is disclosed. Each node has a receiver for receiving optical communication, within a fibre at all wavelength channels supported by the system simultaneously and, individually. Each node also has a transmitter for transmitting at at least two, wavelengths. One of the wavelengths is a default wavelength for the node. In order to, transmit data, a node requests a channel and is provided with a transmit wavelength at, which to transmit data. Other nodes receive the data and when the recipient , is the, addressee of the …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Filed May 21, 1999 and granted February 11, 2003. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended May 21, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 21, 2021.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.