Issued Patents All Time
Showing 26–50 of 56 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8976682 | Connection verification for MPLS label switched paths and pseudowires | Sami Boutros, Muthurajah Sivabalan, David Delano Ward, Stewart Frederick Bryant, Ian Michael Charles Shand | 2015-03-10 |
| 8966113 | Technique for dynamically restoring original TE-LSP attributes for interdomain TE-LSPs | Jean-Philippe Vasseur, Carol Iturralde | 2015-02-24 |
| 8830989 | Automatic configuration of packet network services over dense wavelength division multiplex communication links using optical transport network frames | Simon James Trevor Spraggs, Horia Miclea, Ornan Gerstel | 2014-09-09 |
| 8724454 | System and method for summarizing alarm indications in a network environment | Sami Boutros, Nagi Reddy Jonnala, Muthurajah Sivabalan, David Delano Ward | 2014-05-13 |
| 8718060 | Technique for multiple path forwarding of label-switched data traffic | — | 2014-05-06 |
| 8717936 | Optimal automated exploration of hierarchical multiprotocol label switching label switch paths | Danny Prairie, Yufei Shi, Thomas D. Nadeau, Vanson Lim, Jean-Philippe Vasseur | 2014-05-06 |
| 8619598 | Pseudowire status maintenance for static pseudowires | Luca Martini | 2013-12-31 |
| 8391163 | Operating MPLS label switched paths and MPLS pseudowire in loopback mode | Sami Boutros, Muthurajah Sivabalan, David Delano Ward, Carlos M. Pignataro | 2013-03-05 |
| 8374164 | Detection of specific BFD path failures | Thomas D. Nadeau, Danny Prairie, Reshad Rahman | 2013-02-12 |
| 8374095 | Connection verification for MPLS label switched paths and pseudowires | Sami Boutros, Muthurajah Sivabalan, David Delano Ward, Stewart Frederick Bryant, Ian Michael Charles Shand | 2013-02-12 |
| 8254271 | Point-to-multipoint connectivity verification | Thomas D. Nadeau | 2012-08-28 |
| 8238338 | Interior gateway protocol summarization preserving internet protocol reachability information | Clarence Filsfils, James N. Guichard | 2012-08-07 |
| 8160055 | System and methods for identifying network path performance | Thomas D. Nadeau, Monique Jeanne Morrow, W. Mark Townsley, James N. Guichard | 2012-04-17 |
| 8116227 | Optimal automated exploration of hierarchical multiprotocol label switching label switch paths | Danny Prairie, Yufei Shi, Thomas D. Nadeau, Vanson Lim, Jean-Philippe Vasseur | 2012-02-14 |
| 8004964 | Restoring multi-segment pseudowires following failure of a switching PE device | Sami Boutros, Muthurajah Sivabalan, Luca Martini | 2011-08-23 |
| 7990888 | System and methods for network reachability detection | Thomas D. Nadeau, Azhar M. Sayeed, Michael T. Piecuch, James N. Guichard, Jean-Phillipe Vasseur | 2011-08-02 |
| 7969983 | Network scaling with summarized internet protocol label switched paths | James N. Guichard | 2011-06-28 |
| 7849408 | Network traffic visualization | Fred Messinger | 2010-12-07 |
| 7782790 | Extensions to the path verification protocol to support link bundling constructs | Thomas D. Nadeau, Danny Prairie, David Delano Ward | 2010-08-24 |
| 7746796 | Directed echo requests and reverse traceroute | Vanson Lim | 2010-06-29 |
| 7697534 | Virtual private LAN service networks with mixed mode network devices | Ashok Narayanan, Richard Bradford, Ali Sajassi, Samer Salam | 2010-04-13 |
| 7630298 | Method and apparatus for forwarding data in a data communications network | Ian Michael Charles Shand, Stewart Frederick Bryant, Anna Charny, Bruce Davie | 2009-12-08 |
| 7558218 | Method and system for finding shared risk diverse paths | — | 2009-07-07 |
| 7535829 | Tunnel reroute | — | 2009-05-19 |
| 7406031 | Multihop nested tunnel restoration | — | 2008-07-29 |