Issued Patents All Time
Showing 51–75 of 79 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8194668 | Differential forwarding in address-based carrier networks | Robert Friskney, Simon Parry, Peter Ashwood Smith, David Allan, Simon Daniel Brueckheimer | 2012-06-05 |
| 8194554 | Method and apparatus for providing bypass connectivity between routers | David Allan | 2012-06-05 |
| 8085676 | Method and system for looping back traffic in QIQ ethernet rings and 1:1 protected PBT trunks | Darek Skalecki, Gerard L. Swinkels, David Allan, Marc Holness | 2011-12-27 |
| 8059647 | Multicast implementation in a link state protocol controlled ethernet network | Peter Ashwood-Smith, Guoli Yin, Hong Zhang, David Allan | 2011-11-15 |
| 8005081 | Evolution of ethernet networks | David Allan, Simon Parry, Robert Friskney, Simon Daniel Brueckheimer | 2011-08-23 |
| 8005016 | Provider link state bridging (PLSB) computation method | Jerome Chiabaut, David Allan | 2011-08-23 |
| 7924836 | Break before make forwarding information base (FIB) population for multicast | Jerome Chiabaut, David Allan | 2011-04-12 |
| 7911944 | Tie-breaking in shortest path determination | Jerome Chiabaut, David Allan, Peter Ashwood Smith | 2011-03-22 |
| 7894450 | Implementation of VPNs over a link state protocol controlled ethernet network | Paul Unbehagen, David Allan, Bruno Germain, Roger Lapuh, Mohnish Anumala | 2011-02-22 |
| 7756035 | Planning routes and allocating identifiers to routes in a managed frame-forwarding network | Paul Bottorff, David Allan, Robert Friskney, Simon Parry | 2010-07-13 |
| 7688756 | Provider link state bridging | David Allan | 2010-03-30 |
| 7522846 | Transmission power optimization apparatus and method | Stephen Lewis | 2009-04-21 |
| 7463584 | System and method for hub and spoke virtual private network | David Allan, Liam Casey, Jerome Chiabaut | 2008-12-09 |
| 7362777 | Concatenated transmission of synchronous data | Douglas Fisher, Robert Friskney, Nigel Baker | 2008-04-22 |
| 7343399 | Apparatus and method for managing internet resource requests | Clive Colin Hayball, Gordon Bradley, Martin Biddiscombe, Julian Frank Barry Cable, Philip Davies | 2008-03-11 |
| 7286479 | Routing for a communications network | — | 2007-10-23 |
| 7249197 | System, apparatus and method for personalising web content | Adnanus Henricus Nicolaas Roestenburg, Clive Colin Hayball, Philip Davies, Ross M MacGillivray | 2007-07-24 |
| 7224514 | Using gain tilt for local compensation of unwanted power gradients | Bram Peeters | 2007-05-29 |
| 6959149 | Power balancing in DWDM optical networks | Bram Peeters, Alan Robinson | 2005-10-25 |
| 6865611 | Communications system, apparatus and method therefor | — | 2005-03-08 |
| 6854013 | Method and apparatus for optimizing network service | Julian Frank Barry Cable, Clive Colin Hayball | 2005-02-08 |
| 6704307 | Compact high-capacity switch | Alan Graves | 2004-03-09 |
| 6600749 | Planning system for broadband multi-service connections | Clive Colin Hayball, Niall Forbes Ross, Andrew Tunnicliffe | 2003-07-29 |
| 6587469 | Telecommunications system | — | 2003-07-01 |
| 6349332 | Mechanism for integration of management functionality in communications networks | Clive Colin Hayball, Niall Forbes Ross, Peter Jamieson Tatterfield | 2002-02-19 |