| Patent Number |
Title Of Patent |
Date Issued |
| 6714553 |
System and process for flexible queuing of data packets in network switching |
March 30, 2004 |
| A process and system for flexibly switching connections of data packet flows between nodes of data processing system networks by dividing data packets into cells and logically linking these cells on multiple queues of linked pointer lists. |
| 6560236 |
Virtual LANs |
May 6, 2003 |
| A network device for interconnecting computer networks, the device including a bridge having a plurality of ports through which network communications pass to and from the bridge, the bridge also including a first interface enabling a user to partition the plurality of bridge ports i |
| 6430184 |
System and process for GHIH-speed pattern matching for application-level switching of data packe |
August 6, 2002 |
| A process and system for switching connections of data packet flows between nodes of data processing system networks operating on diverse protocols according to the application layer information on the data packets. The process retrieves and hashes the header information to from an index |
| 6426943 |
Application-level data communication switching system and process for automatic detection of and |
July 30, 2002 |
| In a data communication switch, process and apparatus for tracking the number of data bytes associated with data flow that is part of a session and automatically lowering the priority given to the transmission of the remainder of a flow once a certain threshold has been reached that |
| 6226267 |
System and process for application-level flow connection of data processing networks |
May 1, 2001 |
| A process and system for switching connections of data packet flows between nodes of data processing system networks operating on diverse protocols according to the application layer information on the data packets. |
| 5963556 |
Device for partitioning ports of a bridge into groups of different virtual local area networks |
October 5, 1999 |
| A network device for interconnecting computer networks, the device including a bridge having a plurality of ports through which network communications pass to and from the bridge, the bridge also including a first interface enabling a user to partition the plurality of bridge ports i |
| 5920900 |
Hash-based translation method and apparatus with multiple level collision resolution |
July 6, 1999 |
| A translation is performed by using a programmable hashing technique on an input number to generate a hashed number. A subset of the hashed number bits are used to index a first hash table. In first hash table locations where a hash collision does not occur, the first hash table entry co |
| 5414704 |
Address lookup in packet data communications link, using hashing and content-addressable memory |
May 9, 1995 |
| A way of doing source address and destination address lookups is described, as may be used in a packet data communication system. A way of searching a relatively large database is described, using a combination of programmable hash algorithms, binary search algorithms, and a small co |
| 5414700 |
Negotiation protocol for establishment of full duplex communication on a token ring network |
May 9, 1995 |
| A technique for establishing and maintaining full duplex communication between two stations connected to a token ring network, without physically reconfiguring the station connections or otherwise disturbing the network. Each station continually performs a two node test to ascertain whet |
| 5390173 |
Packet format in hub for packet data communications system |
February 14, 1995 |
| A packet data communication network employs a local switch, router or bridge device functioning to transfer packets between segments of a larger network. When packets enter this device, an address translation is performed to generate local source and destination addresses which are m |
| 5305306 |
Station-to-station full duplex communication in a token ring local area network |
April 19, 1994 |
| A technique for establishing and maintaining full duplex communication between two stations connected to a token ring network, without physically reconfiguring the station connections or otherwise disturbing the network. In an auto-configuration full duplex mode of operation, each statio |
| 5161193 |
Pipelined cryptography processor and method for its use in communication networks |
November 3, 1992 |
| Cryptographic apparatus, and a related method for its operation, for in-line encryption and decryption of data packets transmitted in a communication network. A full-duplex cryptographic processor is positioned between two in-line processing entities of a network architecture. For ex |
| 5155726 |
Station-to-station full duplex communication in a token ring local area network |
October 13, 1992 |
| A technique for establishing and maintaining full duplex communication between two stations connected to a token ring network, without physically reconfiguring the station connections or otherwise disturbing the network. In an auto-configuration full duplex mode of operation, each statio |
| 5070528 |
Generic encryption technique for communication networks |
December 3, 1991 |
| A method and related cryptographic processing apparatus for handling information packets that are to be cryptographically processed prior to transmission onto a communication network, or that are to be locally cryptographically processed and looped back to a node processor. A special |
