1
Mark S Isfeld, Tracy D Mallory, Bruce W Mitchell, Michael J Seaman, Nagaraj Arunkumar: Bridge/router architecture for high performance scalable networking. 3Com Corporation, Wilson Sonsini Goodrich & Rosati, September 1, 1998: US05802278 (292 worldwide citation)

A high performance scalable networking bridge/router system is based on a backbone communication medium and message passing process which interconnects a plurality of input/output modules. The input/output modules vary in complexity from a simple network interface device having no switching or routi ...


2
Mark S Isfeld, Bruce W Mitchell, Michael J Seaman, Tracy D Mallory, Nagaraj Arunkumar: Network intermediate system with message passing architecture. 3Com Corporation, Wilson Sonsini Goodrich & Rosati, January 7, 1997: US05592622 (189 worldwide citation)

A system uses a message passing paradigm for transferring large amounts of input/output data among a plurality of processors, such as a network intermediate system or router. A bus interconnects the plurality of processors with a plurality of bus interface devices. The bus interface device which ori ...


3
Chandrasekharan Nilakantan, Ly Loi, Nagaraj Arunkumar, Michael J Seaman: System for reverse address resolution for remote network device independent of its physical address. 3Com Corporation, Haynes & Davis, June 11, 1996: US05526489 (185 worldwide citation)

A reverse address resolution protocol for use in a communication network which allows resolution logic to provide a higher level protocol information (such as an IP address) to a source of a request for such information, independent of the physical network address of such source. The protocol is use ...


4
Mark S Isfeld, Tracy D Mallory, Bruce W Mitchell, Michael J Seaman, Nagaraj Arunkumar, Pyda Srisuresh: High throughput message passing process using latency and reliability classes. 3Com Corporation, Mark A Wilson Sonsini Goodrich & Rosati Haynes, October 27, 1998: US05828835 (180 worldwide citation)

A communication technique for high volume connectionless-protocol, backbone communication links in distributed processing systems provides for control of latency and reliability of messages transmitted. The system provides for transmit list and receive list processes in the processors on the link. O ...


5
Fearghal Morgan, Joseph O Callaghan, Michael J Seaman, John Rigby, Andrew Walton, Una M Quinlan, Stewart F Bryant: Scheme for interlocking line card to an address recognition engine to support plurality of routing and bridging protocols by using network information look-up database. Digital Equipment Corporation, Kenyon & Kenyon, June 4, 1996: US05524254 (169 worldwide citation)

The present invention provides an interlock scheme for use between a line card and an address recognition apparatus. The interlock scheme reduces the total number of read/write operations over a backplane bus coupling the line card to the address recognition apparatus required to complete a request/ ...


6
Jeffrey Krause, Niles E Strohl, Michael J Seaman, Steven P Russell, John H Hart: Network station with multiple network addresses. 3Com Corporation, Wilson Sonsini Goodrich & Rosati, December 31, 1996: US05590285 (117 worldwide citation)

DLL devices are built with multiple MAC address instead of a single MAC address, and provide a multiple virtual DLL interfaces to the upper layers (3-7) in a computer. This results in a new class of multi-function computers for attachment to a network system which take advantage of the multiple virt ...


7
Stewart F Bryant, Michael J Seaman: Message processing system having separate message receiving and transmitting processors with message processing being distributed between the separate processors. Digital Equipment Corporation, Kenyon & Kenyon, March 16, 1993: US05195181 (97 worldwide citation)

A scheme for efficient implementation of workload partitioning between separate receive and transmit processors is provided so that a message can be effectively moved through a multiprocessor router. Generally, each receiving processor collects, into a digest, information relating to network protoco ...


8
Michael J Seaman: Spanning tree with protocol for bypassing port state transition timers. 3Com Corporation, Mark A Haynes, Haynes Beffel & Wolfeld, August 3, 2004: US06771610 (69 worldwide citation)

Mechanisms for use on designated ports in spanning tree protocol entities allow such ports to transition to a forwarding state on the basis of actual communication delays between neighboring bridges, rather than upon expiration of forwarding delay timers. The logic that manages transition of states ...


9
Jeffrey Krause, Niles E Strohl, Michael J Seaman, Steven P Russell, John H Hart: Multifunction network station with network addresses for functional units. 3Com Corporation, Haynes & Davis, July 9, 1996: US05535338 (66 worldwide citation)

DLL devices are built with multiple MAC address instead of a single MAC address, and provide a multiple virtual DLL interfaces to the upper layers (3-7) in a computer. This results in a new class of multi-function computers for attachment to a network system which take advantage of the multiple virt ...


10
Andrew Walton, Una M Quinlan, Stewart F Bryant, Michael J Seaman, John Rigby, Fearghal Morgan, Joseph O Callaghan: Address recognition engine with look-up database for storing network information. Digital Equipment Corporation, Kenyon & Kenyon, May 21, 1996: US05519858 (61 worldwide citation)

The present invention is directed to an address recognition apparatus including an address recognition engine coupled to a look-up database. The look-up database is arranged to store network information relating to network addresses. The look-up database includes a primary database and a secondary d ...