Inventor
DUFFIELD NICHOLAS G
US17 patents
⚠️ This page may combine multiple inventors who share the name “DUFFIELD NICHOLAS G”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
AT & T CORP
8 patentsUS6310857B1Oct 30, 2001
Method and apparatus for smoothing and multiplexing video data flows
AT & T CORP144 citations98
US6912232B1Jun 28, 2005
Virtual private network
AT & T CORP126 citations97
US6873600B1Mar 29, 2005
Consistent sampling for network traffic measurement
AT & T CORP211 citations97
US7536455B2May 19, 2009
Optimal combination of sampled measurements
AT & T CORP30 citations92
US7080136B2Jul 18, 2006
Method and apparatus for size-dependent sampling for managing a data network
AT & T CORP23 citations92
US7293086B1Nov 6, 2007
Traffic matrix estimation method and apparatus
AT & T CORP39 citations91
US7197048B1Mar 27, 2007
Virtual private network
AT & T CORP25 citations90
US7299283B1Nov 20, 2007
Apparatus for size-dependent sampling for managing a data network
AT & T CORP13 citations84
AT & T IP II LP
5 patentsUS8031599B2Oct 4, 2011
Statistical, signature-based approach to IP traffic classification
AT & T IP II LP29 citations92
US7953020B2May 31, 2011
Method for implementing and reporting one-way network measurements
AT & T IP II LP21 citations92
US7508769B1Mar 24, 2009
Consistent sampling for network traffic measurement
AT & T IP II LP35 citations91
US8028055B2Sep 27, 2011
Optimal combination of sampled measurements
AT & T IP II LP13 citations84
US7574506B1Aug 11, 2009
Traffic matrix estimation method and apparatus
AT & T IP II LP11 citations82