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System and method for speech recognition assisted voice communications
A communication system includes communications equipment having a voice input device, an acoustic output device, and a visual display device. The communications...
Automated data collection and analysis
Techniques are provided for automated data collection and analysis, including steps of receiving a request for information about a device; constructing a command...
Array beamforming with wide nulls
A method and implementation of wireless communication are disclosed in which wireless signals are exchanged between at least one remote client and a directional...
Coupler add/drop node WDM network architecture with periodic cleanup
A efficient and inexpensive optical WDM network architecture with add and drop couplers. Add couplers and drop couplers connected to a network optical fiber with...
Method and system for providing clock signals
Providing clock signals includes receiving a first clock signal at a first clock circuit and at a second clock circuit, where the first clock signal comprises...
Data synchronization apparatus and method
Disclosed is a method and apparatus for synchronizing data. In one embodiment, the apparatus includes a first communication link for transmitting first data and...
Modem failover without call loss
A modem, multiple modem system, and method for operating each is disclosed. Modems in a multiple-modem system save their internal state information in a remote...
Methods and apparatus for dynamic bandwidth adjustment
A configuration of a communications device, and a method for its operation are provided for automatically and dynamically adjusting bandwidth of a communications...
Method and apparatus for reducing flooding in bridged networks
A method and apparatus for reducing flooding in a bridged network. The invention generally allows broadcast flooding for a predefined limited time period to...
Format for automatic generation of unique ATM addresses used for PNNI
The invention provides a method and system for providing unique ATM End System Addresses, in which each new device is assigned a unique address in an ATM network...
Apparatus and method for AAL2 packet switching on an ATM switch core
An apparatus is described having an ATM switch core, wherein the ATM switch core has an input coupled to an ingress AAL2 switch engine and an output coupled to...
TCP sequence number recovery in a redundant forwarding system
Disclosed are methods and apparatus for facilitating recovery of a data connection that was established between an active router and a host. The data connection...
Preventing network data injection attacks
Approaches for preventing TCP data injection attacks in packet-switched networks are disclosed. A first approach provides for dropping received segments that...
Address hopping of packet-based communications
A communication system includes translation modules that provide address hopping to secure packet-based communications. A transmitting translation module...
Scheduling network traffic using multiple logical schedule tables
A method and apparatus are described for scheduling traffic in a network. The method comprises (a) dividing a hardware schedule table into N logical schedule...
Security system for network address translation systems
A system and method are provided for translating local IP addresses to globally unique IP addresses. This allows local hosts in an enterprise network to share...
Butterfly network with switches set for two node disjoint paths and method
for forming the paths
In a butterfly network, a number of switches are set to provide two paths that are independent of each other, from a first switch to a second switch, and from...
Advanced voice communication feature transparency in a telecommunications
An auxiliary communication network is introduced into a virtual private network for passing signaling messages that present features not supported by the public,...
Synchronization of V42bis de/compression for V34/V42 modem relay method
Method and apparatus for synchronizing two de/compression modems, e.g. V.42bis modems, in a voice frame network, the modems each being connected with a...
Downstream channel change technique implemented in an access network
A dynamic channel change technique is disclosed which may be implemented between nodes and a Head End of an access network. Initially a network device may...
Methods and apparatus for fastening a set of heatsinks to a circuit board
A circuit board module has a circuit board which includes a circuit board structure and a set of components mounted to the circuit board structure. The circuit...
Integrated mechanical standoff and wall-mount apparatus
An integrated standoff and wall mount apparatus is disclosed. A standoff is formed in the inner surface of a chassis backplane of an electrical device 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...
Load balancing approach for scaling secure sockets layer performance
A load-balancing approach for scaling Secure Sockets Layer (SSL) performance is disclosed. During a handshake phase of establishing a SSL connection among a...
Method and apparatus for using a development port for boot up
The development port or Debug port of a microprocessor on an intelligent daughterboard is used for downloading code or configuration information from a...
Port adapter for high-bandwidth bus
A port adapter for connecting zero or more network interfaces to a host system having a SPI-4 bus is disclosed. The port adapter comprises zero or more network...
Buffer management technique for a hypertransport data path protocol
A buffer-management technique efficiently manages a set of data buffers accessible to first and second devices interconnected by a split transaction bus, such as...
Distributing an electronic signal in a stackable device
Techniques are provided for distributing signals in a stackable unit, including a first input connector of two or more input connectors; a second input connector...
Apparatus for estimating delay and jitter between network routers
A delay measurement technique according to an embodiment according to the present invention is based on the precept, ascertained by the inventors, that a link...
Server and method for transmitting streaming media to client through a
A server is provided with a transmit buffer, a transcoder, and a redundancy encoder. The server is for transmitting streaming media to a client through a...
Mobility manager in a wireless IP core network
The functions performed by a mobile switching center (MSC) may be divided between two entities. A mobile control function performs mobility management functions...
Method and system for source synchronous clocking
A source synchronous clocking synchronizes data and clock signals transmitted between an ATM layer and a link layer. The source synchronous clocking includes a...
Technique for using address filter parameters to facilitate sign-on
procedures in access networks
A technique is disclosed for reducing collisions of signals occurring on at least one communication channel in an access network. The access network may include...
System and method for sending a packet to multiple destinations using a
pipeline network processor
In a pipeline network processor, a multicast echo feature ensures that a copy of a packet is sent to all downstream ports associated with an upstream port that...
Method and apparatus for network telephony
A method for converting a public switched telephone network call to a data network call. In one approach, the method includes receiving the public switched...
Diversity transceiver for a wireless local area network
A wireless local area network system comprises a 5.0+ GHz radio transceiver with two receiving antennas and one transmitting antenna. A transmitter power...
A method for operating a router which combines virtual channels is disclosed, where both forward and reverse directed resource management cells are used to...
Automatic side selection in double-ring topologies
Connecting a new node to a double ring network or establishing a new network having a double ring network is greatly simplified by automatic mapping of logical...
Router with field replaceable motherboard
A router includes WIC and Network Module slots that be reconfigured to hold cards and network modules having different form factors. A motherboard/midplane...
Method and apparatus for reducing the number of tunnels used to implement
a security policy on a network
According to one embodiment, the number of tunnels on a network may be reduced. A set of tunnels are selected which exchange data packets between a first...
Method and system for providing a single object instance per client-server
A session singleton object, design pattern, and method for providing computer program code that defines a class for instantiating a session singleton object are...
Network address translation in a gateway
A gateway using multiple NAT tables to translate network addresses (e.g., Internet Protocol Addresses). The gateway may comprise a service selection gateway...
Method and system for providing service trigger management in a wireless
A method for providing service trigger management in a wireless network is provided. The method includes generating at an application of a mobile unit a current...
Methods and apparatus for redirecting network traffic
Methods and apparatus are described for replicating a plurality of original packets in a packet flow which follows a first routing path. The packet flow is...
Method and apparatus for optimizing memory use in network caching
Techniques for handling objects in a network cache are described. A cost function value is calculated for each of a plurality of data objects. The cost function...
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...
Method and system for data stream switching
A method, system, and logic for switching data streams are disclosed. Synchronous transport signal streams are generated. A destination for each synchronous...
Router with class of service mapping
A router classifies packets assigned to X*Y classes of service into X classes of service supported by the router, each of the X classes of service having Y...
Separation of packet registration from mobile devices
A communications system includes an internet protocol (IP) enabled mobile unit having a home network. The system also includes a foreign network that can provide...
System for triggering the control plane in an asynchronous
connection-oriented transmission network
Asynchronous connection-oriented transmission network of the (ATM) network type comprising a plurality of switching nodes (12, 14, 16, 18) interconnected by...