Nicholas G. Duffield

Person

Hoboken, NJ, US

People

Patents Grantslast 30 patents

Information Patent Grant
System and method for customized voice response
- Patent number 10,192,547
- Issue date Jan 29, 2019
- AT&T Intellectual Property I, L.P.
- Nicholas Duffield
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
System and method for inferring traffic legitimacy through selectiv...
- Patent number 9,860,181
- Issue date Jan 2, 2018
- AT&T Intellectual Property II, L.P.
- Nicholas Duffield
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Systems and methods for rule-based anomaly detection on IP network...
- Patent number 9,680,877
- Issue date Jun 13, 2017
- AT&T Intellectual Property I, L.P.
- Nicholas Duffield
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for detecting and localizing an anomaly for a...
- Patent number 9,571,366
- Issue date Feb 14, 2017
- AT&T Intellectual Property I, L.P.
- Nicholas Duffield
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System and method for inferring traffic legitimacy through selectiv...
- Patent number 9,407,527
- Issue date Aug 2, 2016
- AT&T Intellectual Property II, L.P.
- Nicholas Duffield
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Scalable traffic classifier and classifier training system
- Patent number 9,349,102
- Issue date May 24, 2016
- AT&T Intellectual Property I, L.P.
- Subhabrata Sen
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
System and method for customized voice response
- Patent number 9,343,063
- Issue date May 17, 2016
- AT&T Intellectual Property I, L.P.
- Nicholas Duffield
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Systems and methods for rule-based anomaly detection on IP network...
- Patent number 9,258,217
- Issue date Feb 9, 2016
- AT&T Intellectual Property I, L.P.
- Nicholas Duffield
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Methods and apparatus to sample data connections
- Patent number 9,116,958
- Issue date Aug 25, 2015
- AT&T Intellectual Property I, L.P.
- Graham Cormode
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
System and method for inferring traffic legitimacy through selectiv...
- Patent number 9,106,550
- Issue date Aug 11, 2015
- AT&T Intellectual Property II, L.P.
- Nicholas Geoffrey Duffield
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for classifying applications using the collect...
- Patent number 8,935,188
- Issue date Jan 13, 2015
- AT&T Intellectual Property I, L.P.
- Nicholas Duffield
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System and method for determination of routing information in a net...
- Patent number 8,811,395
- Issue date Aug 19, 2014
- AT&T Intellectual Property I, L.P.
- Alexandre Gerber
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Multicast-based inference of temporal loss characteristics in packe...
- Patent number 8,804,565
- Issue date Aug 12, 2014
- AT&T Intellectual Property II, L.P.
- Nicholas Geoffrey Duffield
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System and method for inferring traffic legitimacy through selectiv...
- Patent number 8,751,431
- Issue date Jun 10, 2014
- AT&T Intellectual Property II, L.P.
- Nicholas Duffield
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Systems, methods, and devices for monitoring networks
- Patent number 8,730,807
- Issue date May 20, 2014
- AT&T Intellectual Property II, L.P.
- Christopher J. Chase
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System and method for determination of routing information in a net...
- Patent number 8,477,772
- Issue date Jul 2, 2013
- AT&T Intellectual Property I, L.P.
- Alexandre Gerber
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System and method for customized voice response
- Patent number 8,442,827
- Issue date May 14, 2013
- AT&T Intellectual Property I, L.P.
- Nicholas Duffield
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Scalable traffic classifier and classifier training system
- Patent number 8,311,956
- Issue date Nov 13, 2012
- AT&T Intellectual Property I, L.P.
- Subhabrata Sen
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Multicast-based inference of temporal loss characteristics in packe...
- Patent number 8,233,402
- Issue date Jul 31, 2012
- AT&T Intellectual Property II, L.P.
- Nicholas Geoffrey Duffield
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Systems, methods, and devices for monitoring networks
- Patent number 8,228,818
- Issue date Jul 24, 2012
- AT&T Intellectual Property II, L.P.
- Christopher J. Chase
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Methods and apparatus for detection of hierarchical heavy hitters
- Patent number 8,218,451
- Issue date Jul 10, 2012
- AT&T Intellectual Property II, L.P.
- Nicholas Duffield
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for summarizing data in unaggregated data streams
- Patent number 8,195,710
- Issue date Jun 5, 2012
- AT&T Intellectual Property I, L.P.
- Edith Cohen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Indirect measurement methodology to infer routing changes using sta...
- Patent number 8,165,019
- Issue date Apr 24, 2012
- AT&T Intellectual Property I, L.P.
- Lee Breslau
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System and method for inferring wireless trajectories in a cellular...
- Patent number 8,121,599
- Issue date Feb 21, 2012
- AT&T Mobility II LLC
- Alexandre Gerber
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for providing a measurement of performance for...
- Patent number 8,073,945
- Issue date Dec 6, 2011
- AT&T Intellectual Property I, L.P.
- Joel Sommers
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System and method for spatially consistent sampling of flow records...
- Patent number 8,064,359
- Issue date Nov 22, 2011
- AT&T Intellectual Property I, L.P.
- Nicholas Duffield
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Statistical, signature-based approach to IP traffic classification
- Patent number 8,031,599
- Issue date Oct 4, 2011
- AT&T Intellectual Property II, L.P.
- Nicholas G. Duffield
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optimal combination of sampled measurements
- Patent number 8,028,055
- Issue date Sep 27, 2011
- AT&T Intellectual Property II, L.P.
- Nicholas G. Duffield
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for providing performance measurement for a ne...
- Patent number 8,005,010
- Issue date Aug 23, 2011
- AT&T Intellectual Property I, L.P.
- Lee Breslau
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Variance-optimal sampling-based estimation of subset sums
- Patent number 8,005,949
- Issue date Aug 23, 2011
- AT&T Intellectual Property I, L.P.
- Nicholas Duffield
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
SYSTEM AND METHOD FOR INFERRING TRAFFIC LEGITIMACY THROUGH SELECTIV...
- Publication number 20160344639
- Publication date Nov 24, 2016
- AT&T Intellectual Property II, L.P.
- NICHOLAS DUFFIELD
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SYSTEM AND METHOD FOR CUSTOMIZED VOICE RESPONSE
- Publication number 20160240191
- Publication date Aug 18, 2016
- AT&T INTELLECTUAL PROPERTY I, L.P.
- Nicholas Duffield
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
Systems and Methods for Rule-Based Anomaly Detection on IP Network...
- Publication number 20160105462
- Publication date Apr 14, 2016
- AT&T INTELLECTUAL PROPERTY I, L.P.
- Nicholas Duffield
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SYSTEM AND METHOD FOR INFERRING TRAFFIC LEGITIMACY THROUGH SELECTIV...
- Publication number 20150350052
- Publication date Dec 3, 2015
- AT&T Intellectual Property II, L.P.
- NICHOLAS DUFFIELD
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SYSTEM AND METHOD FOR INFERRING TRAFFIC LEGITIMACY THROUGH SELECTIV...
- Publication number 20140297850
- Publication date Oct 2, 2014
- Nicholas Geoffrey Duffield
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
METHODS AND APPARATUS TO SAMPLE DATA CONNECTIONS
- Publication number 20140164392
- Publication date Jun 12, 2014
- AT&T Intellectual Property I, L.P.
- Graham Cormode
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
System and Method for Customized Voice Response
- Publication number 20130246072
- Publication date Sep 19, 2013
- AT&T INTELLECTUAL PROPERTY I, L.P.
- Nicholas DUFFIELD
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
System And Method For Determination Of Routing Information In A Net...
- Publication number 20130132608
- Publication date May 23, 2013
- AT&T INTELLECTUAL PROPERTY I, L.P.
- Alexandre Gerber
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SCALABLE TRAFFIC CLASSIFIER AND CLASSIFIER TRAINING SYSTEM
- Publication number 20130013542
- Publication date Jan 10, 2013
- AT&T INTELLECTUAL PROPERTY I, L.P.
- Subhabrata Sen
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SYSTEMS, METHODS, AND DEVICES FOR MONITORING NETWORKS
- Publication number 20120281586
- Publication date Nov 8, 2012
- AT&T Intellectual Property II, L.P.
- Christopher J. Chase
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Multicast-Based Inference of Temporal Loss Characteristics in Packe...
- Publication number 20120269085
- Publication date Oct 25, 2012
- AT&T Intellectual Property II, L.P.
- Nicholas Geoffrey Duffield
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD AND APPARATUS FOR PROVIDING A MEASUREMENT OF PERFORMANCE FOR...
- Publication number 20120106377
- Publication date May 3, 2012
- Wisconsin Alumni Research Foundation
- Joel SOMMERS
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD AND APPARATUS FOR CLASSIFYING APPLICATIONS USING THE COLLECT...
- Publication number 20120047096
- Publication date Feb 23, 2012
- Nicholas Duffield
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SYSTEM AND METHOD FOR DATA INTENSIVE LOCAL INFERENCE
- Publication number 20110313767
- Publication date Dec 22, 2011
- AT&T Intellectual Property I, L.P.
- Nicholas DUFFIELD
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
METHOD AND APPARATUS FOR DETECTING AND LOCALIZING AN ANOMALY FOR A...
- Publication number 20110158105
- Publication date Jun 30, 2011
- Nicholas Duffield
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method for summarizing data in unaggregated data streams
- Publication number 20110153554
- Publication date Jun 23, 2011
- AT&T Intellectual Property I. L.P.
- Edith Cohen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHODS AND APPARATUS FOR DETECTION OF HIERARCHICAL HEAVY HITTERS
- Publication number 20110122792
- Publication date May 26, 2011
- Nicholas Duffield
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SCALABLE TRAFFIC CLASSIFIER AND CLASSIFIER TRAINING SYSTEM
- Publication number 20110040706
- Publication date Feb 17, 2011
- AT&T Intellectual Property I, L.P.
- Subhabrata Sen
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Indirect measurement methodology to infer routing changes using sta...
- Publication number 20110013525
- Publication date Jan 20, 2011
- Lee Breslau
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and apparatus for one-way passive loss measurements using sa...
- Publication number 20100157840
- Publication date Jun 24, 2010
- Subhabrata Sen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
System and Method for Inferring Wireless Trajectories in a Cellular...
- Publication number 20100159931
- Publication date Jun 24, 2010
- AT&T CORP.
- Alexandre Gerber
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SYSTEM AND METHOD FOR SAMPLING NETWORK TRAFFIC
- Publication number 20100161791
- Publication date Jun 24, 2010
- AT&T INTELLECTUAL PROPERTY I.L.P.
- Nicholas Duffield
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SYSTEM AND METHOD FOR SPATIALLY CONSISTENT SAMPLING OF FLOW RECORDS...
- Publication number 20100157809
- Publication date Jun 24, 2010
- AT&T Intellectual Property I, L.P.
- Nicholas Duffield
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHODS AND APPARATUS TO BOUND NETWORK TRAFFIC ESTIMATION ERROR FOR...
- Publication number 20100150004
- Publication date Jun 17, 2010
- Nicholas Duffield
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SYSTEM AND METHOD FOR DETERMINATION OF ROUTING INFORMATION IN A NET...
- Publication number 20100150005
- Publication date Jun 17, 2010
- AT&T Mobility II LLC
- Alexandre Gerber
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SYSTEMS AND METHODS FOR RULE-BASED ANOMALY DETECTION ON IP NETWORK...
- Publication number 20100153316
- Publication date Jun 17, 2010
- AT&T Intellectual Property I, LP
- Nicholas Duffield
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Variance-Optimal Sampling-Based Estimation of Subset Sums
- Publication number 20100138529
- Publication date Jun 3, 2010
- AT&T Intellectual Property I, L.P.
- Nicholas Duffield
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Statistical, Signature-Based Approach to IP Traffic Classification
- Publication number 20100085889
- Publication date Apr 8, 2010
- Nicholas G. Duffield
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SYSTEM AND METHOD FOR INFERRING TRAFFIC LEGITIMACY THROUGH SELECTIV...
- Publication number 20100088549
- Publication date Apr 8, 2010
- Nicholas Duffield
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Sampling and Analyzing Packets in a Network
- Publication number 20090316590
- Publication date Dec 24, 2009
- AT&T LABORATORIES, INC.
- Carsten Lund
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Nicholas G. Duffield

Person

Patents Grantslast 30 patents

System and method for customized voice response

System and method for inferring traffic legitimacy through selectiv...

Systems and methods for rule-based anomaly detection on IP network...

Method and apparatus for detecting and localizing an anomaly for a...

System and method for inferring traffic legitimacy through selectiv...

Scalable traffic classifier and classifier training system

System and method for customized voice response

Systems and methods for rule-based anomaly detection on IP network...

Methods and apparatus to sample data connections

System and method for inferring traffic legitimacy through selectiv...

Method and apparatus for classifying applications using the collect...

System and method for determination of routing information in a net...

Multicast-based inference of temporal loss characteristics in packe...

System and method for inferring traffic legitimacy through selectiv...

Systems, methods, and devices for monitoring networks

System and method for determination of routing information in a net...

System and method for customized voice response

Scalable traffic classifier and classifier training system

Multicast-based inference of temporal loss characteristics in packe...

Systems, methods, and devices for monitoring networks

Methods and apparatus for detection of hierarchical heavy hitters

Method for summarizing data in unaggregated data streams

Indirect measurement methodology to infer routing changes using sta...

System and method for inferring wireless trajectories in a cellular...

Method and apparatus for providing a measurement of performance for...

System and method for spatially consistent sampling of flow records...

Statistical, signature-based approach to IP traffic classification

Optimal combination of sampled measurements

Method and apparatus for providing performance measurement for a ne...

Variance-optimal sampling-based estimation of subset sums

Patents Applicationslast 30 patents

SYSTEM AND METHOD FOR INFERRING TRAFFIC LEGITIMACY THROUGH SELECTIV...

SYSTEM AND METHOD FOR CUSTOMIZED VOICE RESPONSE

Systems and Methods for Rule-Based Anomaly Detection on IP Network...

SYSTEM AND METHOD FOR INFERRING TRAFFIC LEGITIMACY THROUGH SELECTIV...

SYSTEM AND METHOD FOR INFERRING TRAFFIC LEGITIMACY THROUGH SELECTIV...

METHODS AND APPARATUS TO SAMPLE DATA CONNECTIONS

System and Method for Customized Voice Response

System And Method For Determination Of Routing Information In A Net...

SCALABLE TRAFFIC CLASSIFIER AND CLASSIFIER TRAINING SYSTEM

SYSTEMS, METHODS, AND DEVICES FOR MONITORING NETWORKS

Multicast-Based Inference of Temporal Loss Characteristics in Packe...

METHOD AND APPARATUS FOR PROVIDING A MEASUREMENT OF PERFORMANCE FOR...

METHOD AND APPARATUS FOR CLASSIFYING APPLICATIONS USING THE COLLECT...

SYSTEM AND METHOD FOR DATA INTENSIVE LOCAL INFERENCE

METHOD AND APPARATUS FOR DETECTING AND LOCALIZING AN ANOMALY FOR A...

Method for summarizing data in unaggregated data streams

METHODS AND APPARATUS FOR DETECTION OF HIERARCHICAL HEAVY HITTERS

SCALABLE TRAFFIC CLASSIFIER AND CLASSIFIER TRAINING SYSTEM

Indirect measurement methodology to infer routing changes using sta...

Method and apparatus for one-way passive loss measurements using sa...

System and Method for Inferring Wireless Trajectories in a Cellular...

SYSTEM AND METHOD FOR SAMPLING NETWORK TRAFFIC

SYSTEM AND METHOD FOR SPATIALLY CONSISTENT SAMPLING OF FLOW RECORDS...

METHODS AND APPARATUS TO BOUND NETWORK TRAFFIC ESTIMATION ERROR FOR...

SYSTEM AND METHOD FOR DETERMINATION OF ROUTING INFORMATION IN A NET...

SYSTEMS AND METHODS FOR RULE-BASED ANOMALY DETECTION ON IP NETWORK...

Variance-Optimal Sampling-Based Estimation of Subset Sums

Statistical, Signature-Based Approach to IP Traffic Classification

SYSTEM AND METHOD FOR INFERRING TRAFFIC LEGITIMACY THROUGH SELECTIV...

Sampling and Analyzing Packets in a Network