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Use of a single data structure for label forwarding and imposition
A router (10) in a packet-based telecommunications system receives incoming packets that may have "shim" headers between their link-layer and network-layer...
Method and apparatus for unambiguous topological determinancy in an
unpowered stack configuration
A stack position determination circuit in a stackable repeater is disclosed that includes an input connector, an output connector, an initial pin driving...
System and method for determining a preferred service in a network
The present invention relates to a system and method for selecting a service in a network, such as the Internet. According to an embodiment of the present...
Communication system using packets stuffed with test words for evaluating
data reception characteristics while...
A method for communicating a packet of digital information including at least a preamble with a synchronization pattern, and a data field. The method includes...
Segmented permanent virtual circuits
An apparatus and method for communicating link status information for permanent virtual circuits that share a data link connection identifier. A first frame...
Distributed FIFO queuing for ATM systems
A technique for distributed queuing in communication systems such as Asynchronous Transfer Mode (ATM) type access nodes which multiplexes data from multiple user...
Methods and apparatus for populating a network cache
Methods and apparatus are provided by which a caching system may be populated quickly before its deployment. The techniques described herein employ a capability...
Method and apparatus for identifying network data traffic flows and for
applying quality of service treatments...
A system within a computer network identifies specific traffic flows originating from a given network entity and requests and applies appropriate policy rules or...
System and method for discovering relative states of processors
According to an embodiment of the present invention, two routers coupled through a network, such as a local access network (LAN), may be used to serve the...
User-friendly interface for setting expressions on an SNMP agent
Network communication between a management station and an expression management information base (MIB) on a simple network management protocol (SNMP) agent...
Automatic static to dynamic IP address and DNS address management for
remote communications network access
A system and method for remotely connecting client computers to a communication network such as the Internet by way of a server system and dynamically providing...
Method and apparatus for a router line card with adaptive selectable gain
A system and method are disclosed for calibrating a line card having a gain control circuit and memory device. The gain control circuit is configured to receive...
Method and apparatus for organizing and displaying internet and telephone
An integrated graphical user interface is provided to both Internet and telephone function screens in an Internet access device. An integrated graphical user...
Minimal intrusion EMI shielding clip to maintain electrical contact between
two parallel surfaces
An apparatus for providing EMI shielding. A conductive clip has a first jaw and a second jaw with an elbow between. The first jaw has a major surface with a...
Generic test execution method and apparatus
A test system for network communication devices comprising a topology input file describing connections between the network communication devices, a test...
System and method for real-time insertion of data into a multi-dimensional
database for network intrusion...
A system and method are disclosed for real-time insertion of data into a multi-dimensional database. The system includes a multi-dimensional database and a user...
Communication server apparatus using frequency multiplexing and method
A communication server (58) includes a plurality of pairs of frequency agile modulators (638) and demodulators (640) each set to operate at a unique frequency...
Method for configuring distributed internet protocol gateways with LAN
A communication network having a plurality of routers, each connected to host systems by LAN networks and interconnected by a switched network uses a shared or...
PSTN fallback using dial on demand routing scheme
A call fallback scheme is provided in a packet switched network. After receiving incoming calls, a Voice over IP (VoIP) link is established over a packet...
Remote XDSL transceiver unit and method of operation
A remote XDSL transceiver unit (16) includes an XDSL transceiver (19) and a control block (18). The XDSL transceiver (19) is operable to establish and ...
Frame relay access device with user-configurable virtual circuit bundling
An apparatus and method for bundling frame relay packets under one or more common DLCIs. A plurality of frame relay packets is received in a frame relay access...
Method and apparatus for measuring voice path quality by means of speech
A method for testing the voice path in a communication network by using speech recognition. The method includes generating transmissible voice signals,...
Dial plan mapper
A dial string is received from a session application that interfaces with a packet-based or circuit-switched system such as VoIP, PSTN, PBX, etc. Regular...
Synchronization and control system for an arrayed processing engine
A synchronization and control system for an arrayed processing engine of an intermediate network station comprises sequencing circuitry that controls the...
System and method for relaying signals to base stations in a wireless
A wireless communication system (100) is disclosed in which a central office (102) generates a signal. A first base station (104) receives the central office...
Scalable multimedia network
A Scalable Multimedia Network providing integrated networking of data, voice, video and image services over a variety of access facilities including metallic...
A multi-radio bridge for cost effectively increasing the throughput associated with the bridging of multiple LANs together. The multi-radio bridge incorporates...
Closely-positioned multiple GBIC connectors
GBIC frames are mounted with respect to one or another or with respect to the printed circuit board so as to facilitate space sufficiency, e.g. of a front or...
Transmission line terminator for signal integrity and EMI control
A ferrite bead is placed in series with a terminating resistor on a transmission line such as a clock transmission line. In lower frequency ranges where the...
System and method for fault recovery for a two line bi-directional ring
The present invention provides a protection protocol for fault recovery, such as a ring wrap, for a network, such as a two line bi-directional ring network. An...
Receive and transmit blocks for asynchronous transfer mode (ATM) cell
Receive and transmit blocks for asynchronous transfer mode (ATM) cell delineation are disclosed. The receive block has a plurality of cell delineation blocks, a...
Power conservation system employing a snooze mode
A power conservation system which provides for fast and efficient transitions between fast and slow processor clocking speeds. The slow processor clocking speed...
Look up mechanism and associated hash table for a network switch
An improved look up mechanism for accessing a RAM to obtain forwarding information for data frames being transported among ports of a high-performance switch is...
Telephone docking station for personal digital assistant
A telephone docking station for a personal digital assistant provides a simple docking arrangement in conjunction with a basic telephone circuit that exploits...
Distributed architecture allowing local user authentication and
A network access point for locally processing an access request is configured to include an information bus, an access event publisher, and at least one local...
Method and system for subnetting in a switched IP network
A large flat IP network is created in a switched layer-2 network by adjusting the subnet masks of hosts such that these hosts can communicate directly with other...
Method and apparatus for automatic routing of circuit switched data
connections based upon stored behavorial...
A method and apparatus for automatic routing of multi-link circuit switched connections are shown. A routing processor monitors the behavioral characteristics of...
Clock synchronization and dynamic jitter management for voice over IP and
A real-time receiver and method for receiving and playing out real-time packetized data are disclosed. The receiver includes a packet transmission fixed delay...
Reliable interrupt reception over buffered bus
A method and apparatus for reliable interrupt reception over a buffered bus utilizes a mailbox register to receive interrupt request information sent after a...
Chip address allocation through a serial data ring on a stackable repeater
Provided is a system which automatically determines and assigns an appropriate address for each chip in repeater system. All the ASICs in a system are chained...
Method and apparatus for efficiently transporting asynchronous characters
over an ATM network
Method of processing asynchronous characters in order to transmit them over an ATM network (10, 12 or 16) of a communication system having a first endpoint (36)...
Quality of service sensitive routes precomputed in bandwidth brackets
A routing scheme generates a selection of precomputed routes that provide a wide range of available bandwidths while keeping delay (e.g., measure by cell...
Configurable electrical shunt for a computer cable
An electrical cable includes a connector that contains an electrically conductive shunt. The shunt includes multiple electrically conductive clips that shunt...
Single step network logon based on point to point protocol
A method and apparatus for providing single-step logon access for a subscriber to a differentiated computer network having more than one separate access area. In...
Switched architecture access server
A communication system includes an access server that communicates information between a wide area network (WAN) and a local area network (LAN). The access...
Method and apparatus for identifying a maximum frame size to maintain delay
at or below an acceptable level
A method and apparatus negotiates a maximum frame size to be used over a frame relay network. A local maximum frame size is identified by a first endpoint device...
Single-port connection and circuitry accepting both balanced and unbalanced
A circuit and method for connecting data lines to a digital communication system are disclosed. The circuit allows either a balanced data line or an unbalanced...
Physical medium information in file system header
Data storage units, such as flash memory, nonvolatile random access memory and like, are provided with information stored therein, or physically coupled thereto,...
Method and apparatus for transmitting images and other objects over a
computer network system
A network browsing system includes a host computer coupled to a client computer by a network. A network browser process implemented on the client computer is...