Issued Patents All Time
Showing 1–25 of 40 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9100316 | Resilient provider link state bridging (PLSB) virtual private LAN service (VPLS) interworking | Nigel Bragg, David Allan, Paul Ungehagen | 2015-08-04 |
| 9059920 | Method and apparatus for selecting between available neighbors in a RAPID alternate path calculation | Ravi Ravindran, Hong Zhang | 2015-06-16 |
| 8964531 | Resilient attachment to provider link state bridging (PLSB) networks | Liam Casey, David Allan, Nigel Bragg, Jerome Chiabaut | 2015-02-24 |
| 8923292 | Differential forwarding in address-based carrier networks | Robert Friskney, Nigel Bragg, Simon Parry, David Allan, Simon Daniel Brueckheimer | 2014-12-30 |
| 8885490 | Failure notification in a network having serially connected nodes | David Allan, Malcolm Betts, Nigel Bragg, Paul Unbehagen | 2014-11-11 |
| 8861335 | Resilient attachment to provider link state bridging (PLSB) networks | Liam Casey, David Allan, Nigel Bragg, Jerome Chiabaut | 2014-10-14 |
| 8838692 | Distribution of XML documents/messages to XML appliances/routers | — | 2014-09-16 |
| 8830033 | Active EMI shielding for protection of medical instruments | Guy Duxbury, Alan Graves, Brian Johnson, Jeffrey Fitchett | 2014-09-09 |
| 8699329 | Tie-breaking in shortest path determination | Jerome Chiabaut, David Allan, Nigel Bragg | 2014-04-15 |
| 8630167 | Distributed failure recovery in a routed ethernet network | — | 2014-01-14 |
| 8619785 | Pre-computing alternate forwarding state in a routed ethernet mesh network | David Allan | 2013-12-31 |
| 8605628 | Utilizing betweenness to determine forwarding state in a routed network | Abel Dasylva, Delfin Y. Montuno, Francois Blouin, Tadeusz Drwiega | 2013-12-10 |
| 8565244 | Resilient provider link state bridging (PLSB) virtual private LAN service (VPLS) interworking | Nigel Bragg, David Allan, Paul Ungehagen | 2013-10-22 |
| 8533267 | Distribution of XML documents/messages to XML appliances/routers | — | 2013-09-10 |
| 8438305 | Method and apparatus for implementing multiple portals into an RBRIDGE network | — | 2013-05-07 |
| 8369322 | Tandem call admission control by proxy for use with non-hop-by-hop VoIP signaling protocols | Kent Felske, Hongyi Li | 2013-02-05 |
| 8330601 | Three dimensional RF signatures | Delfin Y. Montuno, Abel Dasylva | 2012-12-11 |
| 8321507 | Distribution of XML documents/messages to XML appliances/routers | — | 2012-11-27 |
| 8270290 | Resilient attachment to provider link state bridging (PLSB) networks | Liam Casey, David Allan, Nigel Bragg, Jerome Chiabaut | 2012-09-18 |
| 8264949 | Method and apparatus for selecting between available neighbors in a rapid alternate path calculation | Ravi Ravindran, Hong Zhang | 2012-09-11 |
| 8254263 | Method and apparatus for simplifying the computation of alternate network paths | Hong Zhang, Guoli Yin | 2012-08-28 |
| 8223660 | Failure notification in a network having serially connected nodes | David Allan, Malcolm Betts, Nigel Bragg, Paul Unbehagen | 2012-07-17 |
| 8194668 | Differential forwarding in address-based carrier networks | Robert Friskney, Nigel Bragg, Simon Parry, David Allan, Simon Daniel Brueckheimer | 2012-06-05 |
| 8184648 | Method and apparatus for implementing control of multiple physically dual homed devices | David Allan | 2012-05-22 |
| 8040906 | Utilizing betweenness to determine forwarding state in a routed network | Abel Dasylva, Delfin Y. Montuno, Francois Blouin, Tadeusz Drwiega | 2011-10-18 |