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Xiangrong Cai
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Newton, MA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Protocol independent multicast designated router enhancements for s...
Patent number
8,099,516
Issue date
Jan 17, 2012
Avaya Inc.
Xiangrong Cai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
DVMRP border router for reverse path forwarding validation with ext...
Patent number
7,944,846
Issue date
May 17, 2011
Avaya Inc.
Xiangrong Cai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Detecting an attack of a network connection
Patent number
7,752,670
Issue date
Jul 6, 2010
Xiangrong Cai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Extending router functionality to report static group membership
Patent number
6,721,318
Issue date
Apr 13, 2004
Nortel Networks Limited
Xiangrong Cai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Apparatus and method of requesting retransmission of a message acro...
Patent number
6,581,175
Issue date
Jun 17, 2003
Nortel Networks Limited
Richard Crump
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
Detecting an attack of a network connection
Publication number
20060072455
Publication date
Apr 6, 2006
Nortel Networks Limited
Xiangrong Cai
H04 - ELECTRIC COMMUNICATION TECHNIQUE