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Local authentication of a client at a network device
A method and apparatus that provide network access control are disclosed. In one embodiment, a network device is configured to intercept network traffic...
Breakout/break-in hybrid network system
A voice networking switching (VNS) appliance and methods for its use are disclosed. In a preferred embodiment, the VNS is an adjunct processor attached to a WAN...
Optimized content addressable memory (CAM)
A method and apparatus for realizing a content addressable memory. The content addressable memory including an associative memory portion including N entries,...
File system for nonvolatile memory
A file system for nonvolatile memory media is disclosed, based on the assumptions that the file system structure is flat (i.e., does not contain directories),...
Gathering network statistics in a distributed network service environment
A system and method are described for gathering statistics about packets. The method includes determining at a service manager statistics that are to be gathered...
Synchronizing service instructions among forwarding agents using a service
A method of obtaining instructions for routing a packet is described that includes receiving a packet having a packet flow identifier that includes a packet...
System and method for supporting a plurality of media conferences
A device for supporting a plurality of media conferences includes digital signal processors (DSPs) and a system resource management (SRM) module coupled to the...
Module firmware recovery
A method and apparatus of the present invention includes a network access server (NAS) for use in a communications system utilized by users of telephone, fax, or...
Communicating video information in a network using universal resource
A method and apparatus are provided for communicating network information among network devices using protocols based on Universal Resource Locators. In one...
Method and apparatus to use non-volatile read/write memory for bootstrap
code and processes
A reset pin of a non-volatile read/write memory, which stores boot code, is provided with a reset signal in response to a system reset output by a watchdog timer...
Signaling and handling method for proxy transcoding of encoded voice
packets in packet telephony applications
Voice packets are redirected in packet telephony applications to a codec proxy system that makes voice endpoints involved in an end-to-end call appear to be...
Multicast routing with multicast virtual output queues and shortest queue
The invention includes a method and apparatus for routing multicast traffic with better performance and reduced Head of Line blocking. This is achieved by means...
Method and system for improving traffic operation in an internet
A method and system for improving traffic operation in an internet environment by speeding up data packet transfers between a source host attached to a first...
Load sharing across flows
The invention provides a system and method for sharing packet traffic load among a plurality of possible paths. Each packet is associated with a flow, and a hash...
Hierarchical label switching across multiple OSPF areas
A router has a first interface to receive a packet from an external autonomous system and a second interface to transmit the packet as an outgoing packet to a...
System and method supporting optical communications
A system supporting optical communications includes a backplane comprising an optical communication medium. The system also includes a first optical driver...
Optical connector with flexible shielding cover
A unitary-construction shielding system obstructs an energy source opening within a connector housing when no connector is present within the housing. The shield...
Packet processing using non-sequential encapsulation and decapsulation
A method for processing packets in a router includes specifying operations on packets as chains of processing elements. Each chain is uniquely associated with...
Method and apparatus for accessing a database through a network
A system (10) includes a client (14, 21) which can communicate through a network (12) and a database layer (29) with any of several databases (31-33). The client...
Email to fax processing when no secondary storage is available
An email communication system employed in a packet switching network environment for transmission of an email message including at least one fax message for use...
Distributed network repeater system
A repeater, useable for connecting switches in a data communication network, is provided in a distributed and/or modular fashion. The repeater includes a...
Routing table structures
A routing table structure for ATM or other networks comprises a shortest path tree architected and organized as a pseudo-spanning tree. The pseudo-spanning tree...
Method and apparatus for lightning suppression in a telecommunication
printed circuit board
A method for lightning protection in a printed circuit board includes providing a printed circuit board having a plurality of conductors for connecting to a...
Software tool for automated diagnosis and resolution of problems of voice,
data and VoIP communications networks
A computerized system and method for testing and analyzing problems with communications networks is disclosed. The system computerizes and automates the testing...
Method and apparatus for eliminating use of a transfer protocol on a
A method for eliminating use of a transfer protocol on a proxied connection includes deriving a client originated packet sequence synchronization factor and a...
Method and apparatus for generating configuration files using policy
A method and apparatus for generating configuration files using policy descriptions is provided. The present invention provides a method of generating a binary...
System and method for consolidating and sorting event data
A system for consolidating and sorting event data include a computing platform communicatively coupled to a computer readable medium and a network. The computer...
System and method for storing, routing, and tracking digital documents in a
Disclosed is a system and method for tracking, routing, and storing a number of digital documents in a call center. An example of an embodiment of the system...
Throughput enhanced video communication
Video image communication throughput is enhanced by mapping the video image based on a predetermined color range, creating a color mapped image. A first template...
Fast connect option for enforcing symmetric codec capabilities
The object of the invention is a communications system that increases successful call setups, improves resource utilization, and reduces overhead. The...
System and method for generating bulk calls and emulating applications
According to an embodiment of the present invention, a router is converted into a bulk call generator which generates packets with Internet protocol (IP)...
Technique for handling forwarding transients with link state routing
A detection technique detects inconsistencies in forwarding databases of a router and its neighbor, i.e., a next-hop router, during routing transients in a...
Methods and apparatus for transferring data using a device driver
The invention is directed to techniques for transferring data using a device driver that is arranged to prevent improper operation of a non-primary routine...
Method and apparatus for interfacing to E1 or T1 networks
An apparatus including a frame buffer memory; a set of frame synchronizers coupled to the frame buffer memory; and, a set of receivers coupled to the buffer...
Media access layer ping protocol for diagnosing cable modem links
Methods, apparatus, and computer-readable media are disclosed for performing diagnostic tests of a communication link between a headend and a cable modem without...
Method and apparatus for supporting header suppression and multiple
microflows in a network
A first packet processing node in a header suppression mode suppresses transmission of one or more packet headers. A second packet processing node receives the...
Apparatus for transmitting delay sensitive information over frame relay
A method of transmitting delay sensitive information over Internet Protocol (IP) over Frame Relay including storing the information in an IP packet, storing the...
Before sending a connection setup packet, a client sends a heads up packet (HUP) toward the server from which the client is requesting data. The HUP contains...
Polling for transmission power control
Systems and methods for providing enhanced subscriber unit power control in a point to multipoint communication system are provided. A central access point may...
A high efficiency multi-directional airflow system for a telecommunications equipment assembly used for housing electronic apparatuses which facilitate...
Method and apparatus for forcing system components to temporarily enter a
standby mode of operation during...
In a data processing system that includes redundant elements, a method for protecting system components from transients that arise on a system interconnect...
Dynamic, scaleable attribute filtering in a multi-protocol compatible
network access environment
A device for processing network access requests responsive to more than one network access protocol comprises a protocol layer responsive to a client access...
Network flow switching and flow data export
The invention provides a method and system for switching in networks responsive to message flow patterns. A message "flow" is defined to comprise a set of...
Method and apparatus for locating a faulty component in a cable television
system having cable modems
A method and system for locating faulty components in a cable modem network configured within a hybrid fiber-coaxial cable television system by tabulating modem...
Multi-bank memory access method and apparatus
Data is stored in a memory in a manner which eliminates dead time which occurs when the number of words in a page which are read-out are insufficient to provide...
Directory assisted autoinstall of network devices
Client network devices and configuration servers are used together to automatically configure the client network devices. Configuration information for multiple...
Multimedia client for multimedia/hybrid network
A system and method for allowing remote control of an isochronous device. The system comprises: (1) first and second isochronous devices, (2) a packet-based...
Flexible cross-connect with data plane
A flexible cross-connect with a data plane is presented which allows the establishment of connections between network interfaces at any network interface card to...
Reply to sender DHCP option
A method for replying to a DHCP request packet is provided which allows a DHCP server to forward its reply packet directly back to the requester, thus permitting...
TDM switching system and ASIC device
In one embodiment, in a switching system, an ASIC device on a card coupled to a backplane communicates switched data to an outgoing network interface for the...