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Method and apparatus for controlling packet header buffer wrap around in a
forwarding engine of an intermediate...
A method and apparatus manages packet header buffers of a forwarding engine contained within an intermediate node, such as an aggregation router, of a computer...
Multicast system for forwarding desired multicast packets in a computer
A method and apparatus for a router to inform a Layer 2 switch by use of packets of a new router group port management protocol (RGMP) that the layer 2 switch is...
System and method for distributed call routing
A call manager includes a device process that controls a first device and that receives a call request from the first device. The call request includes a...
Method and apparatus for drawing line graphs
An approach for drawing a straight-line graph with minimal cognitive disruption to the user is disclosed. In one embodiment, information defining a first graph...
System and method of operation of dual redundant controllers
A system and method for the switching of control between redundant controllers is presented. The status of the redundant controllers is monitored to determine if...
Method and system for transmitting messages in a communications network
A method and system for transmitting messages in a communications network is disclosed. A signaling gateway receives a message directed to a destination circuit....
Check for pending e-mail using caller ID and selective answer ring
An Internet Access server includes a caller-ID map. The caller-ID map stores a list of caller-IDs associated with the ISP with corresponding user identification...
Method and system for network access over a low bandwidth link
A method and system are provided for transmitting information from a faster network to a data terminal via a slower network connection. The invention is adapted...
Support of TTY systems in voice over data networks
A network device for transmitting TTY data across a data network has a PSTN port for receiving PSTN signals and a demodulator for demodulating the PSTN signals...
Method and apparatus for implementing forwarding decision shortcuts at a
A shortcut technique implements forwarding decision shortcuts at a switch for frames routed between subnetworks of a computer network. The switch monitors the...
Block coding system and method for data aggregation
A method of coding data for communication within a network. The method includes receiving an 8b/10b source protocol data stream containing 10-bit code and...
Routing protocol based redundancy design for shared-access networks
A protection CMTS is available to immediately service a cable modem should that modem's service from a working CMTS fail for any reason. To speed the service...
Methods and apparatus for improving content quality in web caching systems
Methods and apparatus are described for caching objects in a network cache. At least two memory queues are provided for storing the objects. Newly cached objects...
Method and apparatus for communicating cops protocol policies to
non-cops-enabled network devices
A method and apparatus for communicating a COPS protocol policy to a non-COPS-enabled network device (i.e., a device or one or more interfaces included in the...
Apparatus and method for controlling an audio conference
A conferencing system includes a number of devices that can participate in an audio conference using a conference bridge. Responding to a human or automated...
Method and system for data communication
According to one embodiment of the present invention, a system (10) for data communication disclosed that comprises a first transceiver unit (20), a second...
Method and system for testing a digital subscriber line modem
A method for testing the frequency response of a communication device that when operated determines a signal-to-noise ratio for a plurality of frequency bands...
Laser frequency control using dithered control signal
A dithering signal is superimposed on a laser frequency control signal. In this way, laser frequency control may be achieved by employing measurements from a...
Local multipoint distribution service base station apparatus
A local multipoint distribution service base station apparatus for sending and receiving communication signals to and from subscribers includes a base unit...
System and method for distributing multicasts in virtual local area
The invention relates to a system and method for efficiently distributing multicast messages within computer networks configured to have one or more virtual...
Method and apparatus for maintaining consistent per-hop forwarding behavior
in a network using network-wide...
A method, apparatus, and computer-readable medium configured for maintaining consistent per-hop packet forwarding behavior among a plurality of network devices...
Method and apparatus providing dial on demand scaling
A method and apparatus providing improved service in IP networks requiring switch circuit connections by allowing many local systems to establish a switched...
Network device bezel
Architecture for a processor complex of an arrayed pipelined processing
A processor complex architecture facilitates accurate passing of transient data among processor complex stages of a pipelined processing engine. The processor...
Devices, software and methods are provided for encoding voice data to conceal packet loss in Voice over Internet Protocol applications. The voice data of each...
Automatic digital scaling for digital communication systems
Improved receiver automatic gain control for OFDM-based communication systems is provided, thus realizing the full potential of OFDM systems to handle rapid...
Distributed, rule based packet redirection
A forwarding agent is implemented on a router. The forwarding agent receives instructions from a service manager for redirecting packets that match the...
Network device bezel
Normalized transaction processing for search engine
An apparatus and method for transaction processing for a search transaction is disclosed. Search queries from users are received by an intermediate computing...
Link discovery and verification procedure using loopback
Systems and methods for link discovery and verification technique that minimize the need for line termination resources that generate and interpret packets. Of...
Synchronization and alignment of multiple variable length cell streams
A novel and useful mechanism of synchronizing and aligning a plurality of data streams. The invention comprises a plurality of sync machines and an alignment...
Crosstalk reduction in a PWB connector footprint
A modified connector footprint on a PWB includes a row of ground vias disposed outside a standard connector footprint that do not mate to pins in the connector....
Clock synchronization and fault protection for a telecommunications device
In one embodiment, a telecommunications device includes a synchronization bus and a controller coupled to the bus that generates a system clock signal according...
Apparatus and technique for maintaining order among requests directed to a
same address on an external bus of...
An apparatus and technique off-loads responsibility for maintaining order among requests directed to a same address on a split transaction bus from a processor...
Methods and apparatus for moving data elements within a data communications
The invention is directed to techniques for moving data elements within a data communications device which prioritizes handling transmit interrupts over handling...
Method and apparatus for distributed resequencing and reassembly of
Methods and apparatus are disclosed for distributed resequencing and distributed reassembly of large packets split into smaller packets with each packet...
Proximity as an aid to caching and secondary serving of data
A proximity-based content control method "propagates" or positions content based upon "proximity" between various nodes on a network. The nodes between which the...
Methods and apparatus for caching network data traffic
Methods and apparatus for facilitating data transmission in a network are described. A first data request is received at a first intermediate platform, the first...
Method and system for switching between multiple clock signals in digital
A method for switching between multiple clock signals in a digital circuit is provided that includes providing to a clock selector at least three distinct clock...
Pipelined multiple issue packet switch
A pipelined multiple issue architecture for a link layer or protocol layer packet switch, which processes packets independently and asynchronously, but reorders...
Network address translation for multicast virtual sourcing
A method for using network address translation in switches and routers to define a virtual host as the source of a multicast channel within a single-source...
Multiple packet paths to improve reliability in an IP network
The invention replicates a packet requiring high availability and transmits it from two or more ports of a switch, for example a wiring closet Layer 2 switch....
Electronic system fire containment and suppression
An electronic system fire containment and suppression apparatus that can include but is not limited to at least one PCB-localized fire containment and...
Methods and apparatus for holding a module to a connector
A technique connects a module to a connector. The technique involves inserting the module into a connector base of the connector, and moving a first connector...
System and method for active filtering in a telecommunications network
A filtering device (50) for active filtering at a customer premises includes an input interface that receives telephone signals and digital data signals...
Mechanism for modem pass-through with non-synchronized gateway clocks
A method for compensating for asynchronous clock sources is presented. A buffer is provided for storing frames received from a packet network. The buffer having...
Method and apparatus for associating PVC identifiers with domain names of
A method and apparatus associates a domain name of a home gateway with one or more PVCs. After the PVC is established, a tunneling protocol is used to request...
Method and apparatus for smoothing the rate of packet discards for random
early detection in an ATM switch
A method and apparatus for smoothing the rate of packet discards for random early detection ("RED") in a communication device such as an ATM switch is described....
Per-flow dynamic buffer management
The present invention provides a per-flow dynamic buffer management scheme for a data communications device. With per-flow dynamic buffer limiting, the header...
Multi-part communications card assembly
A card assembly for insertion in a slot of a communications equipment rack includes a first part and a second part removably coupled to each other. The first...