Assignee
ASCEND COMMUNICATIONS INC
US28 patents
Top patents by PatentIndex Score
US5905730AMay 18, 1999
High speed packet scheduling method and apparatus
ASCEND COMMUNICATIONS INC142 citations99
US5850399ADec 15, 1998
Hierarchical packet scheduling method and apparatus
ASCEND COMMUNICATIONS INC299 citations99
US5903564AMay 11, 1999
Efficient multicast mapping in a network switch
ASCEND COMMUNICATIONS INC109 citations98
US6078595AJun 20, 2000
Timing synchronization and switchover in a network switch
ASCEND COMMUNICATIONS INC152 citations96
US6259693B1Jul 10, 2001
Cell combination to utilize available switch bandwidth
ASCEND COMMUNICATIONS INC143 citations95
US6032190AFeb 29, 2000
System and method for processing data packets
ASCEND COMMUNICATIONS INC280 citations95
US5231649AJul 27, 1993
Method and apparatus for dynamic bandwidth allocation in a digital communication session
ASCEND COMMUNICATIONS INC116 citations95
US6553002B1Apr 22, 2003
Apparatus and method for routing data packets through a communications network
ASCEND COMMUNICATIONS INC166 citations94
US6055575AApr 25, 2000
Virtual private network system and method
ASCEND COMMUNICATIONS INC311 citations94
US6008995ADec 28, 1999
Card cage accommodating PC cards of different size
ASCEND COMMUNICATIONS INC101 citations94
US6711153B1Mar 23, 2004
Route lookup engine
ASCEND COMMUNICATIONS INC55 citations93
US6463067B1Oct 8, 2002
Submission and response architecture for route lookup and packet classification requests
ASCEND COMMUNICATIONS INC68 citations93
US6396838B1May 28, 2002
Management of free space in an ATM virtual connection parameter table
ASCEND COMMUNICATIONS INC25 citations92
US6320864B1Nov 20, 2001
Logical multicasting method and apparatus
ASCEND COMMUNICATIONS INC25 citations92
US6233243B1May 15, 2001
Method and apparatus for performing cut-through virtual circuit merging
ASCEND COMMUNICATIONS INC50 citations92
US6015300AJan 18, 2000
Electronic interconnection method and apparatus for minimizing propagation delays
ASCEND COMMUNICATIONS INC77 citations92
US5953314ASep 14, 1999
Control processor switchover for a telecommunications switch
ASCEND COMMUNICATIONS INC137 citations92
US5058133AOct 15, 1991
Method and apparatus for digital communication
ASCEND COMMUNICATIONS INC63 citations92
US6587463B1Jul 1, 2003
Packet classification engine
ASCEND COMMUNICATIONS INC54 citations90
US6072397AJun 6, 2000
Method and apparatus for reducing flame emissions from an electronics enclosure
ASCEND COMMUNICATIONS INC76 citations86
US5987520ANov 16, 1999
Closed user group preprocessing decision for efficient call security validation
ASCEND COMMUNICATIONS INC31 citations86
US6097726AAug 1, 2000
Virtual path merging in a multipoint-to-point network tunneling protocol
ASCEND COMMUNICATIONS INC32 citations85
US5864559AJan 26, 1999
ISDN modem capable of self-configuring to use one of a variety of pre-programmed ISDN protocols
ASCEND COMMUNICATIONS INC22 citations84
US6094685AJul 25, 2000
Use of control blocks to map multiple unidirectional connections
ASCEND COMMUNICATIONS INC28 citations83
US6667959B1Dec 23, 2003
Switch fabric testing
ASCEND COMMUNICATIONS INC17 citations76
US6570854B1May 27, 2003
System and method for performing explicit rate marking for flow control in ATM networks using a virtual bandwidth-based methodology
ASCEND COMMUNICATIONS INC8 citations68
US6967955B1Nov 22, 2005
Virtual path merging in a multipoint-to-point network tunneling protocol
ASCEND COMMUNICATIONS INC8 citations66
US6192046B1Feb 20, 2001
Apparatus and method for efficiently transferring ATM cells across a backplane in a network switch
ASCEND COMMUNICATIONS INC2 citations56