Inventor · disambiguated record
Gagan Choudhury
Also filed as: CHOUDHURY GAGAN · CHOUDHURY GAGAN L · CHOUDHURY GAGAN LAL
46 granted patents·4 pending applications·801 citations·filing 1996–2024
98Inventor score
Top patents by PatentIndex Score
50 records- 0196US10581736B1Traffic matrix prediction and fast reroute path computation in packet networksAT & T IP I LP·Filed 2018·Granted Mar 3, 2020·31 cites·20 claims
- 0296US7859993B1Two-phase fast reroute with optimized traffic engineeringAT & T IP II LP·Filed 2008·Granted Dec 28, 2010·55 cites·20 claims
- 0396US5933412AParallel connection controlLUCENT TECHNOLOGIES INC·Filed 1996·Granted Aug 3, 1999·258 cites·73 claims
- 0491US5719854AEfficiently providing multiple grades of service with protection against overloads in shared resourcesLUCENT TECHNOLOGIES INC·Filed 1996·Granted Feb 17, 1998·184 cites·12 claims
- 0587US8150257B1Shared mesh restoration with pre-configured standby lightpathsCHOUDHURY GAGAN L·Filed 2008·Granted Apr 3, 2012·20 cites·12 claims
- 0686US10887019B2Multi-layer system optimizationAT & T IP I LP·Filed 2020·Granted Jan 5, 2021·2 cites·20 claims
- 0786US7548514B1Link state network having weighted control message processingAT & T CORP·Filed 2005·Granted Jun 16, 2009·12 cites·19 claims
- 0885US10666359B2Multi-layer system self-optimizationAT & T IP I LP·Filed 2019·Granted May 26, 2020·3 cites·20 claims
- 0985US10298329B1Multi-layer system self-optimizationAT & T IP I LP·Filed 2018·Granted May 21, 2019·4 cites·20 claims
- 1084US7110422B1Method and apparatus for managing voice call quality over packet networksAT & T CORP·Filed 2002·Granted Sep 19, 2006·40 cites·2 claims
- 1183US7545745B1Method and apparatus for controlling the quality of service of voice and data services over variable bandwidth access networksAT & T IP II LP·Filed 2005·Granted Jun 9, 2009·13 cites·5 claims
- 1283US7177324B1Network having bandwidth sharingAT & T CORP·Filed 2001·Granted Feb 13, 2007·34 cites·18 claims
- 1381US11303565B2Traffic matrix prediction and fast reroute path computation in packet networksAT & T IP I LP·Filed 2020·Granted Apr 12, 2022·1 cites·20 claims
- 1481US10547384B2Multi-layer system optimizationAT & T IP I LP·Filed 2018·Granted Jan 28, 2020·3 cites·20 claims
- 1580US7590058B1Method and apparatus for controlling the quality of service of voice and data services over variable bandwidth access networksAT & T IP II LP·Filed 2004·Granted Sep 15, 2009·26 cites·23 claims
- 1679US7957426B1Method and apparatus for managing voice call quality over packet networksAT & T IP II LP·Filed 2006·Granted Jun 7, 2011·8 cites·18 claims
- 1778US6731740B1Method for preventing overload condition in a circuit switched arrangementAT & T CORP·Filed 2001·Granted May 4, 2004·18 cites·19 claims
- 1874US10728140B2Deadlock-free traffic rerouting in software-deifned networking networksAT & T IP I LP·Filed 2017·Granted Jul 28, 2020·2 cites·20 claims
- 1974US8824488B2Methods, apparatus and articles of manufacture to select label switched paths (LSPs) for preemptionCHOUDHURY GAGAN·Filed 2010·Granted Sep 2, 2014·4 cites·19 claims
- 2073US8681654B2Methods and apparatus to design a survivable internet protocol link topologyKLINCEWICZ JOHN·Filed 2009·Granted Mar 25, 2014·6 cites·20 claims
- 2170US10263705B1Multi-layer system capacity planningAT & T IP I LP·Filed 2018·Granted Apr 16, 2019·1 cites·20 claims
- 2270US8942138B2Methods and apparatus to determine a capacity for a network layer topologyAT & T IP I LP·Filed 2013·Granted Jan 27, 2015·2 cites·20 claims
- 2370US7006441B1Link state network having weighted control message processingAT & T CORP·Filed 2000·Granted Feb 28, 2006·13 cites·2 claims
- 2470US6885634B1Network protocol having staggered recoveryAT & T CORP·Filed 2001·Granted Apr 26, 2005·14 cites·14 claims
- 2567US7283484B1Network segmentation methodAT & T CORP·Filed 2003·Granted Oct 16, 2007·15 cites·3 claims
- 2667US2025088458A1Centralized method for computing bypass/frr (fast re-route) tunnelsAT & T IP I LP·Filed 2024·Application pending·0 cites
- 2765US12237996B2Dynamic shared risk link group (SRLG) compressionAT & T IP I LP·Filed 2023·Granted Feb 25, 2025·0 cites·20 claims
- 2865US7961753B1Network having bandwidth sharingAT & T IP II LP·Filed 2005·Granted Jun 14, 2011·2 cites·19 claims
- 2964US10673957B2Providing high availability in a software defined networkAT & T IP I LP·Filed 2018·Granted Jun 2, 2020·1 cites·20 claims
- 3064US9954770B2Rerouting tunnel traffic in communication networksAT & T IP I LP·Filed 2014·Granted Apr 24, 2018·1 cites·19 claims
- 3163US10805214B2Traffic matrix prediction and fast reroute path computation in packet networksAT & T IP I LP·Filed 2020·Granted Oct 13, 2020·0 cites·20 claims
- 3263US8488490B2Methods and apparatus to determine a capacity for a network layer topologyKLINCEWICZ JOHN·Filed 2009·Granted Jul 16, 2013·2 cites·20 claims
- 3360US7724685B2Network segmentation methodAT & T CORP·Filed 2007·Granted May 25, 2010·2 cites·15 claims
- 3460US6987848B1Method for preventing overload condition in a circuit switched arrangementAT & T CORP·Filed 2001·Granted Jan 17, 2006·6 cites·41 claims
- 3559US8059659B1Network having bandwidth sharingCHOUDHURY GAGAN LAL·Filed 2007·Granted Nov 15, 2011·2 cites·19 claims
- 3659US7366104B1Network monitoring and disaster detectionAT & T CORP·Filed 2003·Granted Apr 29, 2008·9 cites·22 claims
- 3758US11863430B2Dynamic shared risk link group (SRLG) compressionAT & T IP I LP·Filed 2022·Granted Jan 2, 2024·0 cites·20 claims
- 3858US8699376B2Method and system for de-synchronizing link state message refreshesCHOUDHURY GAGAN·Filed 2007·Granted Apr 15, 2014·2 cites·21 claims
- 3958US7099329B1Method for preventing overload condition in a circuit switched arrangementAT & T CORP·Filed 2001·Granted Aug 29, 2006·5 cites·35 claims
- 4057US10784963B2Multi-layer system capacity planningAT & T IP I LP·Filed 2019·Granted Sep 22, 2020·0 cites·17 claims
- 4156US12184538B2Centralized method for computing bypass/FRR (fast re-route) tunnelsAT & T IP I LP·Filed 2022·Granted Dec 31, 2024·0 cites·20 claims
- 4255US12489701B2Systems and methods to optimize routing in BGP (Border Gateway Protocol) networksAT & T IP I LP·Filed 2022·Granted Dec 2, 2025·0 cites·20 claims
- 4355US7953005B2Method and apparatus for controlling the quality of service of voice and data services over variable bandwidth access networksAT & T IP II LP·Filed 2009·Granted May 31, 2011·0 cites·19 claims
- 4454US10425326B2Rerouting tunnel traffic in communication networksAT & T IP I LP·Filed 2018·Granted Sep 24, 2019·0 cites·20 claims
- 4554US2020358697A1Deadlock-Free Traffic Rerouting in Software-Defined Networking NetworksAT & T IP I LP·Filed 2020·Application pending·0 cites
- 4650US8804773B2Method and apparatus for managing voice call quality over packet networksCHOUDHURY GAGAN·Filed 2011·Granted Aug 12, 2014·0 cites·20 claims
- 4745US2023370363A1Dynamic tunnel split/merge using centralized controllerAT & T IP I LP·Filed 2022·Application pending·0 cites
- 4843US10411990B2Routing stability in hybrid software-defined networking networksAT & T IP I LP·Filed 2017·Granted Sep 10, 2019·0 cites·20 claims
- 4941US11563640B2Network data extraction parser-model in SDNAT & T IP I LP·Filed 2018·Granted Jan 24, 2023·0 cites·20 claims
- 5039US2008198753A1Network monitoring and disaster detectionCHOUDHURY GAGAN LAL·Filed 2008·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →