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| Patent # | Description |
|---|---|
| US-6,704,318 |
Switched token ring over ISL (TR-ISL) network A technique efficiently transports token ring (TR) frames over trunks interconnecting switches of a distributed TR bridge. The TR bridge is characterized by a... |
| US-6,704,308 |
Apparatus and method for processing signals in a plurality of digital
signal processors An apparatus and method for data processing in a flexible multiple-DSP architecture that can be readily adapted to changing customer demands and changes in DSP... |
| US-6,704,278 |
Stateful failover of service managers A system and method are disclosed for providing a fault tolerant network service. A packet is received that corresponds to a flow from a forwarding agent at a... |
| US-6,703,875 |
Device for emulating phase-locked loop and method for same The device has a correction table for storing a digital pattern describing how a frequency of a signal is to be altered. The device also has first logic for... |
| US-6,702,475 |
Release system for optical connectors A system for releasing an optical connector adapter from an optical connector is disclosed. The adapter has a longitudinal opening extending therethrough and is... |
| US-6,701,448 |
Establishing and maintaining master and standby LAN emulation server
connections to provide a fault tolerant ELAN A system and method are disclosed for transferring an enhanced LAN Emulation Client from a first LAN Emulation Server to a second LAN Emulation Server. The... |
| US-6,701,443 |
Methods and apparatus for discovering a powerability condition of a
computer network The invention is directed to techniques for discovering a powerability condition of a computer network such as the existence of a remotely powerable device... |
| US-6,701,379 |
Method and apparatus for identifying a networked client modem A method and apparatus for identifying one or more characteristics of a networked device, such as a client modem, is disclosed. Values of one or more components... |
| US-6,701,368 |
Providing a stream of data to a browser to update properties on a page A mechanism for supplying a stream of data to a browser is provided. The browser periodically refreshes a frame document, transmitting a request for the frame... |
| US-6,700,891 |
Apparatus and method for providing a device level security mechanism in a
network A method and apparatus for filtering a packet in a network is disclosed. The packet includes a packet header and packet data. The packet is intercepted. It is... |
| US-6,700,890 |
Method and apparatus for configuring permanent virtual connection (PVC)
information stored on network devices... A method and apparatus retrieves and stores configuration information for network endpoint devices from other devices in the network, such as a switch adjacent... |
| US-6,700,872 |
Method and system for testing a utopia network element A method for testing a network element includes receiving from a network element into a buffer (40) a first clock signal (25) of the network element. The method... |
| US-6,700,498 |
System and method for determining the environmental configuration of
telecommunications equipment A system and method determines the environmental configuration of telecommunications equipment having interchangeable components to provide an alarm if an... |
| US-6,698,091 |
Method and apparatus for coupling circuit boards A method and circuit board assembly provide a zero interconnection height in a board-to-board interconnect while maintaining efficient space allocation for... |
| US-6,698,015 |
Apparatus and method for improving performance of critical code execution Critical code routines are identified, separated from other routines, and compiled into a set of one or more critical dynamic link libraries ("DLLs"). These are... |
| US-6,697,964 |
HTTP-based load generator for testing an application server configured for
dynamically generating web pages for... A testing system for an application server configured for providing a unified web-based voice messaging system using voice application control between a web... |
| US-6,697,943 |
Use of cyclic redundancy checking for segregating control traffic A method of modifying the error detection code (EDC) generation and verification logic at both ends of a communications link in a data communications device or... |
| US-6,697,872 |
Distributed packet processing using encapsulation and decapsulation chains A method for processing packets includes specifying a primary chain of function elements on a primary processor and specifying a secondary chain of function... |
| US-6,697,856 |
Healing of incomplete circuits in networks A network management system (114) automatically heals incomplete circuits through a network element (120C) in response to a network manager's command to heal... |
| US-6,697,382 |
Distributing and synchronizing a representation of time between components
of a packet switching system Methods and apparatus are disclosed for distributing and synchronizing a global time among components of a packet switching system. A global time is kept by a... |
| US-6,697,378 |
Method and apparatus for class based transmission control of data
connections based on real-time external... A system of wireless network with capabilities of transporting data packets, wherein the data transmission activity of each data connection is determined using... |
| US-6,697,360 |
Method and apparatus for auto-configuring layer three intermediate computer
network devices A method and apparatus for auto-configuring layer 3 intermediate devices in computer networks by extending the Dynamic Host Configuration Protocol (DHCP). The... |
| US-6,697,193 |
Shared variable gain amplifier for WDM channel equalization An amplification architecture for WDM receiver systems. The WDM channel grid is divided into groups of adjacent channels. A separate optical amplifier is... |
| US-6,695,486 |
Angled fiber optic connector A fiber optic connector module is presented that has one or more male fiber optic connectors on one end of an angled molded body and a corresponding number of... |
| US-6,694,471 |
System and method for periodic retransmission of messages A method for retransmission of messages includes transmitting a first message from a source to a destination using a packet-based network. The destination is... |
| US-6,694,373 |
Method and apparatus for hitless switchover of a voice connection in a
voice processing module A method and apparatus is described that provides for switching active data connections from one processor to another processor without significantly interfering... |
| US-6,694,364 |
System and method for suppressing out-of-order side-effect alarms in
heterogeneous integrated wide area data... A method and apparatus for suppressing side effect alarms in a network communication system that arrive out of order, based on state change and the alarm... |
| US-6,694,351 |
Call optimization in meet-me conference calls A method for joining a meet-me conference call includes establishing a Call Optimization Application (COA) channel between a Multipoint Controller-Call... |
| US-6,694,304 |
System and method for retrieving network management table entries Systems and methods for retrieving table entries within a network management system are provided. A method includes receiving a request for table entries which... |
| US-6,694,008 |
Monitored suspension of communications sessions A communications apparatus establishes a communications session with a remote location and receives a request to place the communications session into monitored... |
| US-6,693,878 |
Technique and apparatus for using node ID as virtual private network (VPN)
identifiers A technique is provided for managing VPN packet flows over shared access data networks. Each node in the shared access network typically has an identifier or ID... |
| US-6,691,250 |
Fault handling process for enabling recovery, diagnosis, and self-testing
of computer systems Methods, apparatus, and computer program products are disclosed for analyzing and recovering from severe to catastrophic faults in a computer system. When a... |
| US-6,690,789 |
Fault tolerant telephony control In accordance with the present invention, a telephony control fault tolerance technique is provided. In one embodiment of the technique of the present invention,... |
| US-6,690,449 |
LCD power loss indication A device that provides a display indicating an absence of power to an LCD is disclosed. The device includes a continuous polarizing filter layer disposed within... |
| US-6,687,849 |
Method and apparatus for implementing fault-tolerant processing without
duplicating working process Systems and methods for implementing a memory-efficient fault tolerant computing system are provided. A generic backup process may provide fault tolerance to... |
| US-6,687,837 |
Method and system for controlling the supply of power to a circuit card in
a card shelf through an activation... A method and system for controlling the supply of power to a circuit card in a card shelf includes automatically generating a deactivation signal in response to... |
| US-6,687,786 |
Automated free entry management for content-addressable memory using
virtual page pre-fetch A method of managing free entries in a CAM using virtual page pre-fetch is defined. The memory locations in a CAM are partitioned into multiple virtual pages... |
| US-6,687,750 |
Network traffic visualization A system containing a visualization application which enables the user or other user to obtain information about various types of transactions involving the... |
| US-6,687,748 |
Network management system and method of operation A network management server manages multiple network devices coupled to a communication network. A simulation device coupled to the communication network uses... |
| US-6,687,736 |
Localization support method for software applications with backend database A server application program is disclosed that runs on a server and provides a client with multilingual support, but does not have a multilingual database on the... |
| US-6,687,307 |
Low memory and low latency cyclic prefix addition Systems and methods for appending cyclic prefixes to OFDM bursts while employing minimal additional memory and adding minimal latency are provided. This... |
| US-6,687,247 |
Architecture for high speed class of service enabled linecard A linecard architecture for high speed routing of data in a communications device. This architecture provides low latency routing based on packet priority:... |
| US-6,687,243 |
Method and apparatus for integrated wireless communications in private and
public network environments A communications system extends over a cellular region formed of a plurality of wireless cells where each cell covers a portion of the cellular region. Each cell... |
| US-6,687,222 |
Backup service managers for providing reliable network services in a
distributed environment A system and method are disclosed for providing a network service. A first criteria specifying a first set of flows from a first service manager is received at a... |
| US-6,686,804 |
Frequency synthesizer using a VCO having a controllable operating point,
and calibration and tuning thereof A frequency synthesizer, a calibrator thereof, and an operating controller thereof are described. The synthesizer comprises a main charge pump that drives a... |
| US-6,684,350 |
Repetitive pattern testing circuit for AC-coupled systems A method for testing a signal path for mark ratio tolerance includes generating a varying test pattern by selecting between a first pattern and a second pattern... |
| US-6,684,331 |
Method and apparatus for distributing and updating group controllers over a
wide area network using a tree... An approach for establishing secure multicast communication among multiple multicast proxy service nodes of domains of a replicated directory service that spans... |
| US-6,684,237 |
Network interface throttling mechanisms and methods Methods and apparatus are disclosed for enabling a first one of a plurality of interfaces associated with a router. In one aspect of the invention, a method is... |
| US-6,684,005 |
Connection of an add/drop node An add/drop node used in an optical network having two fiber paths for carrying light corresponding to a plurality of channels in opposite directions may include... |
| US-6,683,873 |
Methods and apparatus for redirecting network traffic Methods and apparatus are described for controlling packet flow to a cache system is disclosed. A packet flow intended for a first destination is received into... |
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