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Patent # Description
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...
US-6,683,848 Frame synchronization and fault protection for a telecommunications device
A telecommunications device includes a synchronization bus. A first controller coupled to the bus generates first pulses and communicates the first pulses using...
US-6,681,382 Method and system for using virtual labels in a software configuration management system
The present invention provides a solution to the needs described in the present application through a system and method of using Virtual Labels in conjunction...
US-6,681,341 Processor isolation method for integrated multi-processor systems
A processor isolation technique enhances debug capability in a highly integrated multiprocessor circuit containing a programmable arrayed processing engine for...
US-6,681,324 Application appliance enabling operating system and applications to run from a CDROM by determining local...
A machine having a non-volatile storage medium interface such as a CDROM drive and a local hard drive is configured for execution of an application process from...
US-6,680,998 Providing private network information during emergency calls
A telephony communication system includes a private network with multiple telephony devices that couples to the public switched telephone network (PSTN). During...
US-6,680,952 Method and apparatus for backhaul of telecommunications signaling protocols over packet-switching networks
A generic backhaul protocol is provided for passing telecommunication signaling messages according to multiple signaling protocols between a gateway and a media...
US-6,680,942 Directory services caching for network peer to peer service locator
A new directory service is established for a peer router receiving a data packet from an end station on a local area network connected to a port of the peer...
US-6,680,906 Regulating packet traffic in an integrated services network
Methods and mechanisms for regulating network packet traffic in an integrated services network, by selectively dropping packets of particular traffic, are...
US-6,678,282 System and method for communicating packetized data over a channel bank
An apparatus for communicating packetized data over a communications link using a channel bank having a time division multiplexing addressing scheme, the...
US-6,678,244 Congestion management system and method
A method of monitoring congestion within a data path having a queuing node located therein and a plurality of downstream nodes positioned downstream of the...
US-6,677,979 Method and apparatus for dual image video teleconferencing
Systems and methods for providing digital video teleconferencing over a network that allows a user to view the event in a manner more closely approximating live...
US-6,675,250 Fault tolerant communications using a universal serial bus
A system and method of operation for connecting at least one USB function to at least two USB hosts is presented. The system of provides a USB tree between each...
US-6,675,222 Network mixed topology data switching with interconnect to provide storing and retrieving of data using a...
Methods and apparatus for providing a network data switch and buffer system are disclosed. In a switch having a memory associated therewith, the memory including...
US-6,675,220 Techniques for the hardware implementation of random early detection mechanisms
Techniques for managing queues of packets are provided. Once the average queue size crosses a minimum threshold, packets are dropped according to a probability....
US-6,675,216 Copy server for collaboration and electronic commerce
Systems and methods for collaborating over the Internet (or an intranet) in which two or more parties, such as a user and an agent, can share dynamic content...
US-6,675,200 Protocol-independent support of remote DMA
A remote DMA (RDMA) shim protocol laid atop an existing network data transfer protocol but logically underneath higher level disk and file access protocols...
US-6,674,852 Call management implemented using call routing engine
A call management technique implemented using a call routing engine is disclosed. The technique of the present invention may be used to advantage to implement...
US-6,674,843 Apparatus system and method for enabling multi-frequency communication over a telephone network having a...
An apparatus, system, and method for enabling multi-frequency communication over a telephone network having a billing/tax tone are disclosed. The apparatus...
US-6,674,755 Method and system for protection switching in a telecommunications network
A method for protection switching in a telecommunications network is provided that includes receiving a plurality of primary and secondary sub-streams. Each...
US-6,674,742 Automatic SDLC role configuration on router interfaces
A technique automatically configures the role of a router interface coupled to a synchronous data link control (SDLC) device, such as a physical unit (PU)...
US-6,674,727 Distributed ring protocol and database
A Distributed Ring Protocol (DRiP) arrangement includes a database and protocol for maintaining and distributing information within a distributed token ring (TR)...
US-6,674,721 Method and apparatus for scheduling packets being sent from a component of a packet switching system
Methods and apparatus are disclosed for determining the order to send information arriving at the inputs of a packet switching system. A line card maintains its...
US-6,674,713 Method and apparatus for providing continuous voice and call communications between a data network and a...
A method and apparatus are provided for providing continuous voice and call communications between a data network and a telephony network. In one configuration,...
US-6,671,717 Maintaining data collaboration conferences
A method and system for maintaining a data collaboration conference. In one embodiment, a method includes but is not limited to monitoring for a presence of a...
US-6,671,355 Arrangement for common-format notification delivery messages based on notification device type in an IP-based...
A notification architecture utilizes multiple processes configured for managing notification operations based on reception of SMTP-based messages within IMAP...
US-6,671,274 Link list operable to increase memory bandwidth in a transmission system
A transmission system operable to store a plurality of transmission cells is disclosed. The transmission system comprises a first memory coupled to a plurality...
US-6,671,061 Fax broadcast from a single copy of data
A fax broadcasting system for use in a packet switching network environment for transferring fascimile information in the form of multiple packets which are...
US-6,670,882 Multi drop stack bus detector method and apparatus
A device and procedure for associating an identifier with each of a plurality of slave units in a master slave system is provided. In one aspect, a master...
US-6,668,283 ISDN B-channel count limitation
A data communications network with at least one PoP maintains a local cache database associated with each AAA service at the PoP on the data communications...
US-6,668,262 Methods and apparatus for modifying a database
The invention is directed to techniques for modifying a database. A database manager receives operation entries to be applied to a database. The database manager...
US-6,667,975 Port aggregation load balancing
Provided are methods, apparatuses and systems for balancing the load of data transmissions through a port aggregation. The methods and apparatuses of the present...
US-6,667,972 Method and apparatus providing multi-service connections within a data communications device
A method and apparatus provide a data communication device that can process a number of streams of data according to a plurality of services. A host device such...
US-6,665,822 Field availability monitoring
An networking system is disclosed in accordance with an embodiment of the present invention to include a field availability monitoring system (FAMS) for...
US-6,665,673 Channel communication system
Methods and apparatus for enabling communication between a source network device and one or more destination network devices are disclosed. The source network...
US-6,665,662 Query translation system for retrieving business vocabulary terms
Techniques for translating queries for related concepts in a database of concepts and relationships among concepts include translating the query for related...
US-6,665,611 System for discovering and maintaining geographic location information in a computer network to enable...
A system automatically discovers and maintains geographic location information for entities and devices making up a computer network. The system preferably...
US-6,665,545 Method and apparatus for adaptive transmission beam forming in a wireless communication system
A method for forming an adaptive phased array transmission beam pattern at a base station without any knowledge of array geometry or mobile feedback is...
US-6,665,497 Modular transceiver and accessory system for use in an optical network
A modularized network component system that includes a transceiver module and a separate accessory module, and enables the transmissions range of the transceiver...
US-6,665,396 Call hold manager system and method
A communications system having a module operable to a establish a communication channel coupling a terminal unit and a device, in response to a request from the...
US-6,665,393 Call routing control using call routing scripts
A technique for use in controlling the routing of a call in a communications system is provided. In one embodiment of the technique, a call routing script is...
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