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Patent # Description
US-6,385,203 Communication server apparatus and method
A communication server maintains profile information on twisted pair lines in a profile table. This profile information may be generated in a training session...
US-6,385,053 PCB vertical and horizontal guide
A guide device receives and engages a cutout in a distal pin-bearing edge of a printed circuit board for aligning pins with pin sockets. The alignment device...
US-6,381,736 Method for compile-time type-checking of arguments for externally-specified format strings
A method for type-checking format arguments during compile time which uses data in an external file. Data from the external file is converted into a generated...
US-6,381,646 Multiple network connections from a single PPP link with partial network address translation
Multiple simultaneous network connections from a single PPP connection may be accomplished. A primary PPP connection is established between a user and a first...
US-6,381,630 Computer system and method for characterizing and distributing information
A system enables a consumer to generate a filtering program based on criteria set forth by a system operator during run time. During system operation, the...
US-6,381,604 Test information management system
A centralized test information management system and method for its operation are disclosed. The system is implemented on a server that communicates with remote...
US-6,381,245 Method and apparatus for generating parity for communication between a physical layer device and an ATM layer...
A method and apparatus are provided for generating parity for communication between a physical layer device and an ATM layer device is provided. A data bus is...
US-6,381,221 System and method for monitoring line performance in a digital communication network
System for monitoring the performance of at least one line at a node of a digital communication network, such a system including a set of hardware registers...
US-6,377,987 Mechanism for determining actual physical topology of network based on gathered configuration information...
A mechanism for determining the actual physical topology of network devices in a network is disclosed. To determine a physical topology, a discovery mechanism...
US-6,377,955 Method and apparatus for generating user-specified reports from radius information
A method and apparatus are provided for generating a report that summarizes performance of a network based on actual network performance data formatted according...
US-6,377,642 System for clock recovery
A decoding system having a clock recovery system for maintaining the optimum time for sampling a signal. The clock recovery system is particularly useful in...
US-6,377,631 Transmitter incorporating spatio-temporal processing
A space-time signal processing system with advantageously reduced complexity. The system may take advantage of multiple transmitter antenna elements and/or...
US-6,377,577 Access control list processing in hardware
The invention provides for hardware processing of ACLs and thus hardware enforcement of access control. A sequence of access control specifiers from an ACL are...
US-6,375,363 Multi-part optical safety clip
A multi-part shielding system obstructs an energy source opening within a connector housing when no connector is present within the housing. The shield is at...
US-6,374,326 Multiple bank CAM architecture and method for performing concurrent lookup operations
Content-addressable memory (CAM) architectures and methods of use are disclosed for enabling multiple concurrent lookups within a CAM array. One implementation...
US-6,373,887 HTU-C clocking from a single source
An apparatus and method are provided for generating a plurality of data frames in a DSL modem configured as an HTU-C device using a single clock source. The...
US-6,373,838 Dial access stack architecture
A Dial Access Stack Architecture (DASA) includes a stack of Network Access Servers (NASs) each independently establishing and processing information for...
US-6,373,822 Data network protocol conformance test system
A modular data network protocol conformance test system is designed to make distinct the key functionality that is required in protocol conformance testing such...
US-6,370,141 Method and apparatus for configuring an internet appliance
The Internet appliance accesses an HTML page on a Web site containing configuration information for an Internet appliance, such as an Internet compatible...
US-6,370,121 Method and system for shortcut trunking of LAN bridges
The invention provides a method and system for routing traffic between LAN bridges. A method and system for enabling a blocked link to allow forwarding of...
US-6,370,119 Computing the widest shortest path in high-speed networks
A method and system is described for determining the optimal path for routing a communication in a communication network between a source node and at least one...
US-D455,424 Portable internet access device
US-6,366,644 Loop integrity test device and method for digital subscriber line (XDSL) communication
A digital subscriber line (xDSL) communication system (10) is disclosed that allows xDSL communication across a local loop. The system (10) includes a local loop...
US-6,366,587 TDM backplane stream resource distribution system
A preferred embodiment of the present invention is disclosed to include a router system having a trunk feature card and at least one modem feature card for...
US-6,366,583 Network router integrated onto a silicon chip
A router is integrated onto a single silicon chip and includes an internal bus that couples multiple data receive and transmit channels to a central processing...
US-6,366,558 Method and apparatus for maintaining connection state between a connection manager and a failover device
A system and method are disclosed for maintaining the state of a virtual connection supported by an active connection manager on a standby connection manager....
US-6,366,471 Holder for closely-positioned multiple GBIC connectors
A frame or similar structure is used for positioning two stacked GBIC connectors within a 1 RU form factor height of a router or similar network device. In one...
US-6,366,380 Optical transceiver EMI detuning device
A transceiver for the transmission and reception of high speed optical signals contains a detuning structure which reduces the gain for quarter wave radiation of...
US-6,360,255 Automatically integrating an external network with a network management system
A mechanism and method for integrating a managed network with a network management system is described. The network management system is used to manage,...
US-6,359,887 Transparent circuit emulation for packet switching network
A communications network is made up of a number of nodes. Frames of data transported on a circuit line are received at a first node of the network and segmented...
US-6,356,999 Data processor with trie traversal instruction set extension
A programmable data communications device is provided to process multiple streams of data according to multiple protocols. The device is equipped with a...
US-6,356,629 Switched virtual circuit controller setup congestion management strategy
A method that specifies a congestion management strategy for a SVC (Switched Virtual Circuit) controller in a connection-oriented network. The rate of setup...
US-6,356,548 Pooled receive and transmit queues to access a shared bus in a multi-port switch asic
A multi-port switching device architecture decouples decode logic circuitry of each port of a network switch from its respective state machine logic circuitry...
US-6,356,530 Next hop selection in ATM networks
The invention provides a method and system for selecting one particular interface between a pair of adjacent nodes in an ATM network for assignment to a call in...
US-6,356,214 Fast look-up table based scheme for NRZI encoding/decoding and zero insertion/removal in serial bit streams
A look-up table scheme for performing non-return-to-zero inverted (NRZI) encoding on input data bytes. Also disclosed is a look-up table scheme for performing...
US-6,351,770 Method and apparatus for automating the creation of service activation requests
An automated method and apparatus for classifying a customer service activation request (SAR) according to whether repeatable, schedulable, or scaleable elements...
US-6,351,454 Apparatus and method for maintaining packet ordering over parallel links of a crossbar based switch fabric
A data exchange system includes at least one transmitting agent, at least one receiving agent, and a plurality of data links each having a crossbar coupling...
US-6,349,092 BLSR node extension
The present invention provides a method and structure for allowing more than 16 nodes to be configured in a single SONET BLSR network by utilizing unused...
US-6,347,963 Interchangeable backplane interface connection panel
A system and method for converting the numerous quantities, types, and arrangements of plug-in card connectors, usually disposed on the backplane of equipment...
US-6,347,949 AC/DC power accommodation method and apparatus for networking/telecommunications devices
An adaptor is provided for effectively converting an opening in the chassis or box of a router (or similar device) from an opening which accommodate a power...
US-6,347,339 Detecting an active network node using a login attempt
A method and apparatus for notifying a first network node that a second network node has gone off-line during a communication session is disclosed. The first...
US-6,347,093 Application programming interface for modem and ISDN processing
An application programming interface provides for command and data communication between a user, application or driver and a telephone data processing system...
US-6,345,294 Methods and apparatus for remote configuration of an appliance on a network
A network appliance is capable of remote booting and obtaining its configuration information from a source located far away. The network appliance can be shipped...
US-6,345,051 Method and apparatus for multiplexing of multiple users on the same virtual circuit
The invention provides a method and apparatus for communicating to a destination node over a broadband network from plural users connected to an access node. A...
US-6,343,345 Cache blocking of specific data to secondary cache with a first and a second OR circuit
A cache blocking mechanism ensures that transient data is not stored in a secondary cache of a router by managing a designated set of buffers in a main memory of...
US-6,343,330 Arrangement for preventing looping of explorer frames in a transparent bridging domain having multiple entry points
A transparently-bridged wide area network connecting Ethernet/IEEE 802.3-based local area networks uses redundant proxy devices on each LAN for internetwork...
US-6,343,072 Single-chip architecture for shared-memory router
The invention provides a single-chip method. The method includes a memory shared among packet buffers for receiving packets, packet buffers for transmitting...
US-6,341,346 Method for comparison between a pattern sequence and a variable length key
A method is disclosed for comparing a pattern sequence with a variable length key. A first bit of this sequence is identified by a pointer, the length and the...
US-6,341,132 ATM node having local error correcting procedures
A telecommunication node for an Asynchronous Transfer Mode (ATM) telecommunication network performs Segmentation and Reassembly (SAR) of ATM cells. The SAR...
US-6,339,595 Peer-model support for virtual private networks with potentially overlapping addresses
A service provider's routers (PE1, P1, P2, PE2) provide connections between and share routine information with routers (CE1, CE2) of a customer virtual private...
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