1
Barry A Spinney, Robert J Simcoe, Robert E Thomas, George Varghese: Packet format in hub for packet data communications system. Digital Equipment Corporation, Kenneth F Kozik, A Sidney Johnston, February 14, 1995: US05390173 (372 worldwide citation)

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 much shorter than ...


2
Barry A Spinney: Address lookup in packet data communications link, using hashing and content-addressable memory. Digital Equipment Corporation, A Sidney Johnston, David A Dagg, May 9, 1995: US05414704 (346 worldwide citation)

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 content-addressabl ...


3
Radia J Perlman, G Paul Koning: Bridge-like internet protocol router. Digital Equipment Corporation, A Sidney Johnston, Albert P Cefalo, Noel F Heal, May 3, 1994: US05309437 (277 worldwide citation)

A device and related method for coupling segments of an extended local area network (LAN) in such a way that message traffic employing inter-network protocols such as TCP/IP will be handled without the difficulties usually associated with bridges, and without the complexity and expense of full IP ro ...


4
Olivier Bertin, Gerard Brun, Claude Galand, Olivier Maurel, Laurent Nicolas: Method and system for minimizing the connection set up time in high speed packet switching networks. Cisco Technology, A Sidney Johnston, Cesari and McKenna, June 4, 2002: US06400681 (245 worldwide citation)

The present invention is directed to a high speed packet switching network and, in particular to a method and system for minimizing the time to establish a connection between an origin and a destination node. A path calculated at the time the connection is requested is recorded in a Routing Database ...


5
Charles W Kaufman, Radia J Pearlman, Morrie Gasser: System for increasing the difficulty of password guessing attacks in a distributed authentication scheme employing authentication tokens. Digital Equipment Corporation Patent Law Group, A Sidney Johnston, February 13, 1996: US05491752 (220 worldwide citation)

An improved security system inhibits eavesdropping, dictionary attacks, and intrusion into stored password lists. In one implementation, the user provides a workstation with a "password", and a "token" obtained from a passive authentication token generator. The workstation calculates a "transmission ...


6
Peter Lucas, Jeffrey A Senn: Document display system for organizing and displaying documents as screen objects organized along strand paths. Digital Equipment, David A Dagg, A Sidney Johnston, March 12, 1996: US05499330 (209 worldwide citation)

A system for displaying documents on a computer controlled display device is disclosed. The system displays documents either in a completely free-form, user controlled configuration or as strands, such that documents in a strand follow a strand path. The strand path is a two dimensional line through ...


7
Donald F Hooper, Dave M Tongel, Michael B Evans: Distributed interactive multimedia service system. Digital Equipment Corporation, A Sidney Johnston, Dirk Brinkman, Ronald C Hudgens, September 23, 1997: US05671225 (202 worldwide citation)

In a distributed interactive multimedia service system, a client application of a set-top box located at a customer premises generates an attach request. A session manager, in response to receiving the attach request via a network, generates an allocation request and a create request. A resource man ...


8
Lev Vaitzblit, Kadangode K Ramakrishnan, Percy Tzelnic: Scheduling and admission control policy for a continuous media server. Digital Equipment, A Sidney Johnston, Christine M Kuta, June 18, 1996: US05528513 (194 worldwide citation)

A scheduler with admissions control in a continuous media file server is presented. The scheduler supports multiple classes of tasks with diverse performance requirements. The scheduler is based on a combination of rate-monotonic and weighted round-robin scheduling schemes. Scheduling is accomplishe ...


9
Ronald L Farrington: Microprocessor-controlled circuit breaker and system. Square D Company, Larry I Golden, Jose W Jimenez, A Sidney Johnston, February 26, 1991: US04996646 (159 worldwide citation)

A circuit breaker system uses a microprocessor for calculating at least one function of a measured current flow. The microprocessor provides other functions such as serial data stream communications, the ability of many circuit breaker systems to communicate with a central computer, storage of trip ...


10
Cheng Tang, Chickayya G Naik: System and method for distributing multicasts in virtual local area networks. Cisco Technology, Cesari and McKenna, A Sidney Johnston, January 4, 2005: US06839348 (153 worldwide citation)

The invention relates to a system and method for efficiently distributing multicast messages within computer networks configured to have one or more virtual local area network (VLAN) domains. A multicast network device (MND), having a plurality of interfaces, includes a multicast controller for effi ...