Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8001252 | Psuedowire termination directly on a router | James N. Guichard, Mohammed Sayeed, Bertrand Duvivier, W. Scott Wainner, Earl Hardin Booth, III +3 more | 2011-08-16 |
| 7529257 | Method for supporting a GMPLS hierarchy through multiple routing instances | — | 2009-05-05 |
| 7526571 | IPv6 over MPLS IPv4 core | Eric C. Rosen, Ole Troan, Parag Jain, Eric Levy-Abegnoli, Luc Revardel +1 more | 2009-04-28 |
| 7516224 | Pseudowire termination directly on a router | James N. Guichard, Mohammed Sayeed, Bertrand Duvivier, W. Scott Wainner, Earl Hardin Booth, III +3 more | 2009-04-07 |
| 7512702 | Method and apparatus providing highly scalable server load balancing | Sunil K. Srivastava | 2009-03-31 |
| 7483387 | Hierarchical label distribution for inter-area summarization of edge-device addresses | James N. Guichard, Jean-Philippe Vasseur, Simon James Trevor Spraggs | 2009-01-27 |
| 7373660 | Methods and apparatus to distribute policy information | James N. Guichard, Robert Hanzl, W. Scott Wainner | 2008-05-13 |
| 7246175 | IPv6 over MPLS IPv4 core | Eric C. Rosen, Ole Troan, Parag Jain, Eric Levy-Abegnoli, Luc Revardel +1 more | 2007-07-17 |
| 7243161 | Two label stack for transport of network layer protocols over label switched networks | Eric C. Rosen, Parag Jain, Eric Levy-Abegnoli, Luc Revardel, Francois Le Faucheur | 2007-07-10 |
| 7065268 | Link discovery and verification procedure using loopback | Danny Prairie, Richard Bradford | 2006-06-20 |
| 7046928 | Link discovery and verification using loss of light | Richard Bradford | 2006-05-16 |
| 6834139 | Link discovery and verification procedure using loopback | Danny Prairie, Richard Bradford | 2004-12-21 |
| 6603756 | Hierarchical label switching across multiple OSPF areas | — | 2003-08-05 |
| 6473421 | Hierarchical label switching across multiple OSPF areas | — | 2002-10-29 |
| 6430155 | Congestion avoidance on communications networks | Bruce Davie, Jeremy Lawrence | 2002-08-06 |
| 6295296 | Use of a single data structure for label forwarding and imposition | — | 2001-09-25 |
| 5991300 | Technique for efficiently performing optional TTL propagation during label imposition | — | 1999-11-23 |
| 5394394 | Message header classifier | William R. Crowther, Stanley A. Lackey, Jr., C. Philip Levin | 1995-02-28 |