Issued Patents 2011
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8040899 | Methods, systems, and computer program products for implementing automatic protection switching for media packets transmitted over an ethernet switching fabric | David Z. Lu | 2011-10-18 |
| 7969890 | Methods, systems, and computer program products for load balanced and symmetric path computations for VoIP traffic engineering | Edward Y. Qian, San-Qi Li, David Z. Lu, Rupert Zhu | 2011-06-28 |
| 7961739 | Systems and methods for voice over multiprotocol label switching | Sam Perry, Richard James Bianconi | 2011-06-14 |
| 7940772 | Methods, systems, and computer program products for transporting ATM cells in a device having an ethernet switching fabric | Jinshui Liu, Weisheng Chen, Eric Chang, David Z. Lu | 2011-05-10 |
| 7911940 | Adaptive redundancy protection scheme | — | 2011-03-22 |
| 7864665 | Methods and systems for detecting IP route failure and for dynamically re-routing VoIP sessions in response to failure | Christopher J. Ouellette, Samuel Perry | 2011-01-04 |