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Subsystem application notification method in a centralized router database
A method and system for notifying router subsystems of configuration changes made to router configuration information which are maintained by a centralized...
System and method for echo assessment in a communication network
A method includes receiving a plurality of packets from at least two voice packet streams. The method also includes generating at least two voice signals using...
System and method for processing control cells to prevent event
missequencing and data loss in IMA groups
A system and method for processing control cells to prevent event missequencing and data loss are described. At least one control unit is processed to retrieve...
Packet data analysis with efficient and flexible parsing capabilities
Methods and apparatus which facilitate the handling of data between platforms interconnected by any of a variety of network environments are disclosed. In...
Switched Ethernet path detection
A method and apparatus for discovering paths to other network devices includes a protocol and network management application that can be executed on network...
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...
Apparatus and method for manipulating 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...
Systems and methods for installing a circuit board assembly utilizing an
insertion delay latch
An insertion delay subassembly includes a support member which is configured to mount to the circuit board, and a lever coupled to the support member. The lever...
Network audit tool
A method for automatically performing a network audit. The network may comprise a number of different types of devices, each with multiple possible...
Method and system for verifying a software upgrade for a communication
A method and apparatus for verifying a software upgrade for a communication device identifies transient variables that may change their value over time. These...
Arrangement for providing international prompts in a unified messaging
Provided is an arrangement that enables deployment of international prompts in a voice messaging system based on a server configured for dynamically generating a...
Method for grouping 802.11 stations into authorized service sets to
differentiate network access and services
A method for associating a WSTA to a service set, wherein the service set is configurable at the AP. Each service set is an arbitrary grouping of one or more...
OFDM receiver clock synchronization system
A method is disclosed for synchronizing a OFDM signal. The method includes receiving an OFDM signal including a plurality of long and short synchronization...
Sub-picture level pass through
The invention described herein improves and expedites compressed video data delivery by providing systems and methods for transcoding and pass through on a...
Technique for resynchronizing LSDB in OSPF after a software reload in a
non-stop forwarding intermediate node...
A technique resynchronizes a link state database (LSDB) of a non-stop forwarding (NSF) router with the LSDB of a neighbor while maintaining an existing adjacency...
Method and apparatus for performing high-speed traffic shaping
A network traffic shaper provides high-speed, multi-level shaping. The traffic shaper is in communicating relationship with a forwarding engine, and includes a...
Method and apparatus for a token bucket metering or policing system with a
delayed filling scheme
Methods and apparatus are disclosed for a token bucket metering or policing system with a delayed filing scheme which may be used, inter alia, in a computer or...
Configurable network router
A method is provided to allocate bandwidth from a first node to a second node in a optical network. The method begins by accepting a request from an end-user,...
Fast method for fax encoded data conversion
In accordance with an embodiment of the present invention, a fax decoding/re-encoding system for transferring fax images between a sending fax machine and a...
Interface for compressed video data analysis
The invention described herein provides a video analysis tool to assist a computer programmer working on a program that effects video data. The tool may be...
Methods and apparatus for efficient transaction processing on redundant
Methods and apparatus are provided for performing efficient transaction processing. A working system processes transactions associated with nodes in a data...
Methods and apparatus for storage virtualization
Methods and apparatus are provided improving data access efficiency in a storage area network. Mechanisms are provided to allow a virtual disk address to be...
Ethernet packet header cache
Methods and apparatus for caching information associated with packets are disclosed. According to one aspect of the present invention, a system for processing a...
Distributed speech system with buffer flushing on barge-in
A distributed automatic speech recognition and text to speech system has components separated by a network. The components may be a voice interface device with...
Arrangement for local recording of a voice message for delivery to
destination messaging system via an IP network
A recording device at a calling party premises is configured for recording a message for a messaging subscriber by the calling party, and sending the recorded...
Network layer support to enhance the transport layer performance in mobile
and wireless environments
In a router or packet processing node supporting Mobile IP, a method for causing packets to be retransmitted from a sender to a mobile node is disclosed. A...
Method and system for verifying spectral compatibility of digital
subscriber line connections
A system for verifying spectral compatibility of a communication system that utilizes at least one digital subscriber line protocol includes a plurality of...
Generalized asynchronous HDLC services
A router in a network comprises an interface system for receiving packets and has a plurality of channels and a plurality of framing service engines. The router...
System and method for communicating data packets using a backplane switch
A communications device includes a backplane, backplane cards, and a backplane switch. Each backplane card is coupled to the backplane and assigned an industry...
Guaranteed bandwidth mechanism for a terabit multiservice switch
A method to guarantee bandwidth for a terabit multiservice switch including receiving control cells indicating that a destination port of an asynchronous...
Packet routing to reduce susceptibility to disturbances
In a communications system, a network provides multiple physical paths for communicating packets between participants of communication sessions. During a...
Queuing system using dual receive FIFO
A queuing system utilizing dual first-in, first-out (FIFO) memories is provided. The present queuing system is configured to use a first FIFO memory to receive...
Method and system for processing fragments and their out-of-order delivery
during address translation
A set of packetized fragments in which only a portion of the fragments carry translation information for the set of fragments is translated by storing in a...
Time slot interchanger (TSI) and method for a telecommunications node
A time slot interchanger (TSI) for a telecommunications node includes an exchange memory and a controller. The exchange memory includes a plurality of exchange...
Method and apparatus for determining a layer 2 path in a switched network
A method and apparatus that provide for a Layer 2 path determination are disclosed. In one embodiment of the invention, a Layer 3 path between a source device...
Redundant packet selection and manipulation in wireless communications
A communications system includes a mobile unit that transmits content and a number of base transceiver stations that receive the content from the mobile unit....
Wireless computer network including a mobile appliance containing a single
A wireless computer data network includes several untethered mobile units that make ad-hoc data connections with an Internet-connected base station using the...
Establishing a new shared secret key over a broadcast channel for a
multicast group based on an old shared...
An optimized approach for arriving at a shared secret key in a dynamically changing multicast or broadcast group environment is disclosed. In one aspect of the...
Method and apparatus for handling connections in hot standby line cards
A standby card is powered after an active card. A connection command is received by the standby card from the active card. The connection command is associated...
Method and device for a user profile repository
A method and device for providing access, via a single point, to information stored on multiple data sources. One embodiment comprises a method in which first an...
Optical demultiplexer with multi-channel power control and tilt
Systems and methods for controlling power of WDM channels in a WDM receiver. A preamplifier is provided prior to a demultiplexer in the WDM receiver chain. The...
Controlling echo cancellation
Controlling echo cancellation includes receiving signals associated with a call. A signal of the signals is detected. Whether the detected signal is a high speed...
Arrangement for retrieving recorded audio announcements from a messaging
system for identification of a calling...
An IP-based subscriber endpoint, for example a VoIP telephony device or an IP telephony user agent, is configured for retrieving recorded audio caller...
Selecting an access point according to a measure of received signal quality
An apparatus for inclusion and a method for operation in a station (STA) of a wireless network. The method includes received data from at least one remote...
Method and apparatus for detecting a fault in a multicast routing
A test monitoring device for detecting a fault in a multicast routing infrastructure includes a processor, a memory coupled with the processor, and a network...
Methods and apparatus for securing a cable connector to a device
A connection system has a device, and a cable assembly having a cable and a cable connector disposed at an end of the cable. The cable connector is configured to...
System and method for providing reliable telephony web-based features
In accordance with a particular embodiment of the present invention, a method for maintaining telephony Internet services includes providing a first pointer, the...
Multiple instance spanning tree protocol
A multiple instance spanning tree protocol (MI-STP) creates a plurality of active topologies (i.e., loop-free paths) within a computer network. These active...
Method and system for determining a relative position of a device on a
A method and system for determining a relative location of a device on a network is provided. In this system and method, a list of landmark nodes provided on the...
Adaptive rate shaping to prevent overflow
The rate at which a node transmits data is modified dependent on the receive rate by selecting one of a plurality of predetermined quantum values dependent on...