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Patent # Description
US-6,493,706 Arrangement for enhancing weighted element searches in dynamically balanced trees
A processor-based system configured for searching in dynamically balanced trees is configured for linking the most often-searched elements of the tree to...
US-6,493,317 Traffic engineering technique for routing inter-class traffic in a computer network
A technique is provided for routing traffic in an integrated services network which supports a plurality of different service classes including a relative low...
US-6,492,880 Common mode termination
A common mode termination includes a shielded connector, a receive section and a transmit section, each section comprising an isolation transformer, a common...
US-6,490,618 Method and apparatus for SNA/IP correlation in a mixed APPN and DLSW network
A technique efficiently correlates information pertaining to entities of a mixed Advanced Peer to Peer Networking (APPN) and Data Link Switching (DLSW) computer...
US-6,490,591 Apparatus and method for storing complex structures by conversion of arrays to strings
An executable process, configured for storing and retrieving data from a storage medium having a prescribed storage definition, is configured for converting an...
US-6,490,564 Arrangement for defining and processing voice enabled web applications using extensible markup language documents
A unified web-based voice messaging system provides voice application control between a web browser and an application server via an hypertext transport protocol...
US-6,490,290 Default internet traffic and transparent passthrough
A method for routing packets sent from a user to the internet is provided for systems in which the user is connected to a private network. The method includes:...
US-6,490,289 Multiple network connections from a single PPP link with network address translation
Multiple simultaneous network connections from a single PPP connection may be accomplished by utilizing a gateway in the following manner. A first network...
US-6,489,748 Split backplane power system
A system and method for providing power to a set of logic cards that enables approximately twice as much power to be supplied to the logic cards than would...
US-6,487,666 Intrusion detection signature analysis using regular expressions and logical operators
A method of describing intrusion signatures, which are used by an intrusion detection system to detect attacks on a local network. The signatures are described...
US-6,487,605 Mobile IP mobility agent standby protocol
Disclosed is a method and apparatus for automatically backing up a Home Agent in Mobile IP. The method employs important components of the widely-used Hot...
US-6,487,598 Virtual dial-up protocol for network communication
A layer two forwarding protocol (L2F) provides virtual direct dial-up service into private networks through public internet service providers. An authorized...
US-6,487,591 Method for switching between active and standby units using IP swapping in a telecommunication network
Replacing the functionality of an active digital loop carrier subsystem (DLCSS) or active module with a standby DLCSS or standby module in an IP addressable...
US-6,487,356 Fiber optic cable segregation and slack storage apparatus and method
An apparatus provides storage for cable slack and also provides for segregation of interface cables on the front of a chassis and for segregation of intrasystem...
US-6,487,253 OFDM channel estimation in the presence of interference
Systems and methods for estimating channel response in the presence of interference. Interference and/or noise present on received training symbols is estimated....
US-6,487,217 Apparatus for transmitting delay sensitive information over IP over frame relay
A method of transmitting delay sensitive information over Internet Protocol (IP) over Frame Relay including storing the information in an IP packet, storing the...
US-6,487,214 Method and apparatus for implementing an ethernet protocol using three wires
A system and method are disclosed for transmitting signals from a digital MAC interface to a bus and for transmitting signals from a bus to a digital MAC...
US-6,487,202 Method and apparatus for maximizing memory throughput
A method of executing a sequence of multiple dependent operations, each operation including a memory read and a memory write involves overlapping memory accesses...
US-6,486,820 Pipeline analog-to-digital converter with common mode following reference generator
A pipeline analog-to-digital converter (ADC) includes cascaded stages for resolving at least one bit of an analog voltage. Each stage has an analog input, one or...
US-6,484,315 Method and system for dynamically distributing updates in a network
A first version of a program operating at a network site is updated by automatically downloading from a remote site any update for the program in response to an...
US-6,484,261 Graphical network security policy management
A method of establishing a representation of an abstract network security policy is disclosed. The representation is established in the form of a decision tree...
US-6,484,224 Multi-interface symmetric multiprocessor
A symmetric multiprocessor system includes a first processor and a second processor for executing a multi-threaded process on packets, a first inbound interface...
US-6,484,207 Switching system having interconnects dedicated to store and retrieve data including management of dedicated...
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-6,484,175 Method and apparatus for providing network management data
A method and apparatus provides network management data in a manner that can be more efficient than data provided using conventional SNMP. A requested data...
US-6,483,921 Method and apparatus for regenerating secret keys in Diffie-Hellman communication sessions
A system and method for regenerating secret keys that have been used to encrypt communications between two parties are disclosed. The system and method involve...
US-6,483,870 Data communication using a modifiable number of XDSL modems
A communication system includes a number of communication devices coupled to a data network using communication servers. The communication system supports...
US-6,483,850 Method and apparatus for routing cells having different formats among service modules of a switch platform
A method and apparatus for routing cells having different formats among service modules of a switch platform are provided. The cells are routed among service...
US-6,483,543 System and method for transcoding multiple channels of compressed video streams using a self-contained data unit
A system for transcoding multiple channels of compressed video streams using a self contained data unit such as an autonomous frame includes an autonomous frame...
US-6,480,864 RAM based directory layer for a flash file system
A flash file system for use with flash cards and internetwork operating system software is provided. Absolute path names are stored in the name field of existing...
US-6,480,531 Method and apparatus of testing modems in a networking environment
A method and apparatus for use in a digital system having a plurality of modem devices from receiving de-multiplexed digital channels of information through a...
US-6,477,651 Intrusion detection system and method having dynamically loaded signatures
An intrusion detection system and method for detecting unauthorized or malicious use of network resources includes an intrusion detection analysis engine that...
US-6,477,492 System for automated testing of perceptual distortion of prompts from voice response systems
A Perceptual Speech Distortion Metric (PSDM) generates perceptual distortion values for voice prompts received from a voice response system by comparing the...
US-6,477,174 Polling response selection using request monitoring in a network switch apparatus
A switch node includes arbiter logic configured to gather global information regarding switching requests within the switch node and to control switching of one...
US-6,476,949 Dispersion compensation in optical fibre transmission
An optical transmission apparatus for transmission of optical signals at an optical wavelength of about 1550 nanometers. The optical transmission apparatus...
US-6,475,830 Flip chip and packaged memory module
A multi-chip, module (MCM) having one or more high value chips such as ASICs, CPUs, DSPs or the like attached to the MCM substrate via a direct attach technology...
US-6,473,798 Method and system for testing a layer-2 tunnel in a data communication network
A method and system for testing a Layer 2 tunnel in a data communication network including a network device and a network manager are described. According to the...
US-6,473,424 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-6,473,421 Hierarchical label switching across multiple OSPF areas
In a communications-networking autonomous system consisting of an OSPF domain, autonomous-system border routers (I-ASBR and E-ASBR) cause exchange of...
US-6,473,406 Method and apparatus for transparently proxying a connection
A system and method are disclosed for transparently proxying a connection to a protected machine. The method includes monitoring a communication packet on a...
US-6,473,396 Use of logical addresses to implement module redundancy
An apparatus is described to implement a module redundant system using logical addresses. The apparatus may comprise a bus on which a plurality of server modules...
US-6,470,453 Validating connections to a network system
A mechanism for authenticating multiple connections to a network server is disclosed. A client establishes a first connection to the server. In establishing the...
US-6,470,390 Method and apparatus for a dual connection communication session
A method and apparatus establishes a connection for a communication session between two remote devices, then negotiates an additional connection. One of the...
US-6,470,388 Coordinated extendable system for logging information from distributed applications
The present invention is directed to a system and method for centrally coordinating, collecting and storing error, trace, audit and other information in a...
US-6,470,073 Service state administration for a communications apparatus
A communications system includes a switch having communications resources such as cards containing multiple devices, each containing multiple ports. The switch...
US-6,470,013 Use of enhanced ethernet link--loop packets to automate configuration of intelligent linecards attached to a router
A technique for configuring address information automatically for intelligent port cards such as in a cell multiplexer, router, or other internetwork device. A...
US-6,469,630 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-6,469,244 EMI cable passthrough shield
An EMI cable passthrough shield for a cable opening in an electronic system housing. The EMI cable passthrough shield includes portions made of an electrically...
US-D464,774 Sonic cleaner
US-6,467,049 Method and apparatus for configuration in multi processing engine computer systems
A high reliability computer system includes a first and a second processing engine (PE), circuitry for switching control of the system from the first PE...
US-6,466,984 Method and apparatus for policy-based management of quality of service treatments of network data traffic flows...
A method and apparatus for policy-based management of quality of service treatments of network data traffic flows by integrating policies with application...
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