Inventor · disambiguated record
Ian Duncan
Also filed as: DUNCAN IAN · DUNCAN IAN H · DUNCAN IAN HAMISH
30 granted patents·7 pending applications·355 citations·filing 1998–2024
96Inventor score
Files withCIENA CORP15GHODRAT MORTEZA3ROCKSTAR CONSORTIUM US LP3RPX CLEARINGHOUSE LLC3ALCATEL-LUCENT CANADA INC2
Top patents by PatentIndex Score
37 records- 0196US10069639B2Multicast systems and methods for segment routingCIENA CORP·Filed 2016·Granted Sep 4, 2018·22 cites·15 claims
- 0295US9094337B2Source identification preservation in multiprotocol label switching networksBRAGG NIGEL LAWRENCE·Filed 2013·Granted Jul 28, 2015·41 cites·16 claims
- 0393US8776161B2Systems and methods for video processing in network edge devicesGAZIER MICHAEL·Filed 2008·Granted Jul 8, 2014·38 cites·23 claims
- 0492US10686699B2Multicast systems and methods for segment routingCIENA CORP·Filed 2018·Granted Jun 16, 2020·9 cites·19 claims
- 0592US10674241B2Multipath selection in an ethernet fabric in a modular network elementCIENA CORP·Filed 2018·Granted Jun 2, 2020·13 cites·19 claims
- 0692US9936047B2Method and apparatus for provisioning virtual network functions from a network service providerCIENA CORP·Filed 2016·Granted Apr 3, 2018·18 cites·20 claims
- 0785US7961727B2Method and apparatus for forwarding packetsALCATEL LUCENT CANADA INC·Filed 2009·Granted Jun 14, 2011·11 cites·3 claims
- 0884US11785365B2Interworking between variable capacity optical layer and ethernet/IP/MPLS layerCIENA CORP·Filed 2021·Granted Oct 10, 2023·1 cites·19 claims
- 0983US8184526B2Systems and methods for Connectivity Fault Management extensions for automated activation of services through association of service related attributesDUNCAN IAN·Filed 2009·Granted May 22, 2012·17 cites·15 claims
- 1082US10924324B2Scalable management plane for a modular network elementCIENA CORP·Filed 2018·Granted Feb 16, 2021·4 cites·20 claims
- 1182US7583665B1Method and apparatus for forwarding packetsALCATEL LUCENT CANADA INC·Filed 1998·Granted Sep 1, 2009·118 cites·19 claims
- 1278US8059685B2Methods and systems for carrying synchronization over Ethernet and optical transport networkGHODRAT MORTEZA·Filed 2006·Granted Nov 15, 2011·7 cites·13 claims
- 1376US9338087B2Source identification preservation in multiprotocol label switching networksCIENA CORP·Filed 2015·Granted May 10, 2016·2 cites·17 claims
- 1474US8787394B2Separate ethernet forwarding and control plane systems and methods with interior gateway route reflector for a link state routing systemBRAGG NIGEL L·Filed 2011·Granted Jul 22, 2014·4 cites·10 claims
- 1574US8396950B1Method and apparatus for the fast detection of connectivity loss between devices in a networkSANDICK HALDON·Filed 2001·Granted Mar 12, 2013·17 cites·46 claims
- 1674US8355333B2Methods and systems for session initiation protocol control of network equipmentCIENA CORP·Filed 2006·Granted Jan 15, 2013·6 cites·21 claims
- 1772US9326052B2Method and apparatus for forwarding packetsDUNCAN IAN H·Filed 2011·Granted Apr 26, 2016·4 cites·2 claims
- 1872US8467290B2Methods and systems for distributed authentication and caching for internet protocol multimedia subsystem and other session initiation protocol systemsGAZIER MICHAEL A·Filed 2006·Granted Jun 18, 2013·6 cites·17 claims
- 1970US8305884B2Systems and methods for a self-healing carrier ethernet topologyGHODRAT MORTEZA·Filed 2007·Granted Nov 6, 2012·5 cites·19 claims
- 2070US2024414104A1Modular network element architectureCIENA CORP·Filed 2024·Application pending·0 cites
- 2169US8885634B2Systems and methods for carrier ethernet using referential tables for forwarding decisionsGHODRAT MORTEZA·Filed 2007·Granted Nov 11, 2014·5 cites·15 claims
- 2269US8787170B2Methods and systems for existential provisioning of flexible line modules using distributed controlONG LYNDON Y·Filed 2007·Granted Jul 22, 2014·4 cites·19 claims
- 2366US9509626B2Method and apparatus for provisioning a virtual machine (VM) from a network service providerCIENA CORP·Filed 2013·Granted Nov 29, 2016·2 cites·20 claims
- 2463US2024323117A1Interworking between variable capacity optical layer and Ethernet/IP/MPLS layerCIENA CORP·Filed 2022·Application pending·0 cites
- 2559US7962619B2Methods and systems for extensible markup language control of network equipmentCIENA CORP·Filed 2006·Granted Jun 14, 2011·1 cites·20 claims
- 2657US9253220B2Method and apparatus for the fast detection of connectivity loss between devices in a networkRPX CLEARINGHOUSE LLC·Filed 2013·Granted Feb 2, 2016·0 cites·26 claims
- 2757US9130964B2Method and apparatus for the fast detection of connectivity loss between devices in a networkRPX CLEARINGHOUSE LLC·Filed 2013·Granted Sep 8, 2015·0 cites·26 claims
- 2857US9112882B2Method and apparatus for the fast detection of connectivity loss between devices in a networkRPX CLEARINGHOUSE LLC·Filed 2013·Granted Aug 18, 2015·0 cites·12 claims
- 2955US2014019627A1Method and Apparatus for the Fast Detection of Connectivity Loss Between Devices in a NetworkROCKSTAR CONSORTIUM US LP·Filed 2013·Application pending·0 cites
- 3055US2014012984A1Method and Apparatus for the Fast Detection of Connectivity Loss Between Devices in a NetworkROCKSTAR CONSORTIUM US LP·Filed 2013·Application pending·0 cites
- 3154US12107775B2Modular network element architectureCIENA CORP·Filed 2018·Granted Oct 1, 2024·0 cites·19 claims
- 3252US11271868B2Programmatically configured switches and distributed buffering across fabric interconnectCIENA CORP·Filed 2020·Granted Mar 8, 2022·0 cites·20 claims
- 3345US8832755B2Methods and systems for interactive video transport over Ethernet networksGAZIER MICHAEL A·Filed 2007·Granted Sep 9, 2014·0 cites·20 claims
- 3442US2014177637A1Reduced complexity multiprotocol label switchingDUNCAN IAN HAMISH·Filed 2012·Application pending·0 cites
- 3540US2014211604A1Method and Apparatus for the Fast Detection of Connectivity Loss Between Devices in a NetworkROCKSTAR CONSORTIUM US LP·Filed 2013·Application pending·0 cites
- 3637US2018077080A1Systems and methods for adaptive and intelligent network functions virtualization workload placementCIENA CORP·Filed 2016·Application pending·0 cites
- 3736US9100133B2Methods and systems for carrying synchronization over ethernet and optical transport networkGAZIER MICHAËL·Filed 2010·Granted Aug 4, 2015·0 cites·17 claims
Join the waitlist — get patent alerts
Get an alert when Ian Duncan files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →