Inventor
LI YUNZHOU
US24 patents
⚠️ This page may combine multiple inventors who share the name “LI YUNZHOU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NORTEL NETWORKS LTD
18 patentsUS6707796B1Mar 16, 2004
System device and method for reducing forwarding states in a communication system
NORTEL NETWORKS LTD74 citations98
US6606706B1Aug 12, 2003
Hierarchical multicast traffic security system in an internetwork
NORTEL NETWORKS LTD149 citations98
US6597703B1Jul 22, 2003
System, device, and method for reducing multicast forwarding states in a multicast communication system
NORTEL NETWORKS LTD276 citations98
US6917983B1Jul 12, 2005
Reverse path forwarding using a multicast routing table
NORTEL NETWORKS LTD62 citations96
US6636895B1Oct 21, 2003
System, device, and method for distributing multicast routing information in a protocol independent multicast network
NORTEL NETWORKS LTD83 citations96
US6631420B1Oct 7, 2003
Reducing convergence time by a protocol independent multicast (PIM) router
NORTEL NETWORKS LTD53 citations93
US7444422B1Oct 28, 2008
Multicast when forwarding information is unknown
NORTEL NETWORKS LTD28 citations92
US7269728B1Sep 11, 2007
Apparatus and method for distributing management keys in a multicast domain
NORTEL NETWORKS LTD28 citations92
US7233567B1Jun 19, 2007
Apparatus and method for supporting multiple traffic redundancy mechanisms
NORTEL NETWORKS LTD29 citations92
US6975587B1Dec 13, 2005
Mechanism for automatic protection switching in a router
NORTEL NETWORKS LTD72 citations92
US6795433B1Sep 21, 2004
Multicast routing cache
NORTEL NETWORKS LTD30 citations92
US6791980B1Sep 14, 2004
System, device, and method for reducing the number of multicast routes maintained in a multicast routing information base
NORTEL NETWORKS LTD45 citations92
US6751747B2Jun 15, 2004
System, device, and method for detecting and recovering from failures in a multicast communication system
NORTEL NETWORKS LTD29 citations92
US6751220B1Jun 15, 2004
Apparatus and method of managing virtual private network routing data
NORTEL NETWORKS LTD34 citations92
US6526054B1Feb 25, 2003
System, device, and method for transitioning from DVMRP to BGMP for interdomain multicast routing over the internet multicast backbone
NORTEL NETWORKS LTD44 citations91
US7127610B1Oct 24, 2006
Apparatus and method of implementing multicast security between multicast domains
NORTEL NETWORKS LTD20 citations87
US7184396B1Feb 27, 2007
System, device, and method for bridging network traffic
NORTEL NETWORKS LTD9 citations74
US6928075B2Aug 9, 2005
Method and apparatus for aggregating multicast interfaces
NORTEL NETWORKS LTD0 citations42