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6822941 |
Method and network element for relaying event messages
An explanation is given of a method for operating a telecommunications network in which a network element at a network node of a telecommunications network is controlled by a switching computer....
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6819924 |
Universal quality measurement system for multimedia and other signals
A method for measuring perceptual quality of voice signals, audio signals, audio-video signals, and multimedia signals in communication equipment in an operational embodiment communicates a...
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6816465 |
Arrangement for testing pause frame response in a network switch
An arrangement for testing flow control logic in a network device such as a network switch includes a traffic generator configured for transmitting pause frames having prescribed pause values. The...
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6813244 |
Available bandwidth measurement with variable speed probing and zoom-in/zoom-out technique
An available bandwidth measurement system and method. The available bandwidth of a network path is determined by determining round-trip times of packets utilizing varying bandwidth to a receiving...
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6810016 |
Trunking alarm aggregation method and apparatus
In a telephony voice network having at least two connectable endpoint nodes with a trunk therebetween and a trunking alarm associated with each endpoint node, an alarm aggregation method is...
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6807151 |
Apparatus and method for group-wise detection of failure condition
Group-wise testing of the clocks arriving at a switching office is undertaken by multiplexing the clocks onto a single line and developing a signal therefrom that is indicative of a problem, if it...
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6801497 |
Method to provide a management channel, a line terminator, a first network terminator card and a second network terminator card realizing such a method and an access network
A method is described to provide a management channel for use in a tree like access network including the cascade connection of one common link (L) and dedicated links (L 1 , L 2 , L 3 ). The...
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6792459 |
Verification of service level agreement contracts in a client server environment
A method, apparatus and computer program product are disclosed to enable independent verification of service level agreement between two parties. In one embodiment, a first party contracts the...
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6792555 |
Access server fault isolation without service disruption method and apparatus
The invention is a fault isolation method and apparatus for use in a network access server. The method includes allocating one or more modems in a group of modems associated with an access server...
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6785241 |
Method for pacing buffered data transfers over a network such as fibre channel
The present invention provides a method for managing transmissions to a remote node having a buffer memory for receiving the transmitted packets and means for acknowledging the receipt of the...
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6781958 |
Monitor circuit for extracting administration information in a communication frame
A monitor circuit 1 incorporates a switch 4 , a switch 5 , a counter 6 , a high-speed RAM 7 , a counter 8 and a low-speed RAM 9 . The monitor circuit 1 is a circuit structured such that...
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6778527 |
Method and apparatus for data network call processing
A method and apparatus for processing data network communication calls. A calling party device sends a call initiation request to a packet data network node from a computer. The request includes...
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6775237 |
Methods and apparatus for burst tolerant excessive bit error rate alarm detection and clearing
The excessive bit error rate detection algorithm operates in two modes: BURST mode and non-BURST mode. In non-BURST mode, an alarm state is entered if an error count exceeds a threshold within a...
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6775236 |
Method and system for determining and suppressing sympathetic faults of a communications network
A distributed method and system of controlling a communications network having a plurality of spans of interconnected network elements some of which include a network element processor distributes...
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6769029 |
Method of measuring packet network transmission delay and machine-readable recording medium storing a program for implementing the method
A transmission delay measuring method used in a packet network includes the steps of: detecting by the use of first and second clocks, for each of first direction-data packets transmitted from a...
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6768787 |
Common channeling signaling network maintenance and testing
An SS7 Network Preventative Maintenance System for detecting potential SS7 and switched network troubles, automatically analyzing the troubles, providing alarm and corrective action to avoid major...
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6765864 |
Technique for providing dynamic modification of application specific policies in a feedback-based, adaptive data network
A feedback-based adaptive network is described wherein at least a portion of the network elements report operating information relating to network conditions to a centralized data store. The...
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6766165 |
Method and system for remote and local mobile network management
Systems and methods of providing mobile network management of assets on a network are presented. In accordance with the method, a network management server is provided to control a network asset on...
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6762998 |
Access network system
In an access network system for performing a maintenance management of an access line, a processor stores an allocation status of a bearer channel to be managed, and a system manager determines an...
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6757855 |
Integrated test apparatus and method therefor
An integrated apparatus and method for testing a very large scale integration (VLSI) device is implemented. An interface between automatic test equipment (ATE) and a device under test (DUT)...
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6757253 |
Spectrum management method for a cable data system
In a cable modem system a method is provided for continuously monitoring the upstream channel to assess what unused upstream channels will better support data communication in the event that an...
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6757252 |
Process of temporal management of a multiplexed bus
The management process of the invention is in particular intended for the temporal management of an ARINC 629 bus for avionics rigs, and it is characterized in that the rigs to which new...
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6754730 |
Intelligent apparatus for sharing a user I/O interface among all intelligent modules thereof
An intelligent apparatus comprises a master module and a plurality of slave modules each having a CPU, a control circuit and an associated software, wherein each of the slave modules is in...
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6754826 |
Data processing system and method including a network access connector for limiting access to the network
A data processing system and method are disclosed for providing an access connector which limits access to a network to only authorized client computer systems. The network is controlled by a...
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6748433 |
Method and system for controlling quality of service over a telecommunication network
A method, a system and equipment for determining quality of telecommunication service over a telecommunication network, which provide: (a) obtaining data on quality of service over a number of...
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6747956 |
Method for measurement of receive antenna return loss in a CDMA radio system
The diagnostic test uses the effects of closed loop power control in order to measure the return loss of a receive antenna in a CDMA radio system. A standard CDMA call is established under closed...
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6731641 |
Processing of signalling messages in ATM node
According to the invention, an ATM switch is used for returning signalling cells to their input side and to an apparatus which is located there for processing signalling cells and which performs...
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6728214 |
Testing of network routers under given routing protocols
A network router is tested for operation according to a given network protocol, by coupling the router under test (RUT) to a test host device and arranging the device to simulate operative test...
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6728262 |
System and method for integrating process control and network management
The present invention discloses a system and method for integrating the management of process control and network operation into one HMI software platform. The invention allows the simultaneous...
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6724729 |
System analyzer and method for synchronizing a distributed system
A method for synchronizing a distributed system is provided. The distributed system includes distributed analyzers. Each analyzer has a synchronization decoder circuit, a medium access controller,...
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6724771 |
Method of monitoring ATM cell bus
A system and method for detecting an error in a transmission of data through an ATM cell in a ATM switching system is disclosed. The present invention allows a system manager to easily detect...
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6718497 |
Method and apparatus for generating jitter test patterns on a high performance serial bus
The present invention provides a method for generating random jitter test patterns by generating a sequence of maximum-size asynchronous packets according to the P1394b standard and transmitting...
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6711134 |
Monitoring system and method implementing an automatic test plan
Channel and test plans are implemented in connection with a plurality of nodes that communicate signals. The channel plan has one or more predefined specifications for each of one or more signal...
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6707794 |
Method, system and computer program product for physical link layer handshake protocol analysis
A method, system and computer program product for analyzing link failure in a network is described, wherein a protocol analyzer captures handshake protocol frames exchanged by two nodes attempting...
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6704285 |
Signal multiplexer and method
A signal multiplexer for N channel signals of different frequency bands that utilizes only N+1 hybrid couplers and presents a constant impedance to the transmitters that supply the N channel...
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6704286 |
Modeling of hybrid time-code division multiple access communication systems
A wireless code division multiple access communication system is modeled. A plurality of snapshots is provided. Each snapshot has a plurality of user equipments (UEs) and base stations. The...
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6704284 |
Management system and method for monitoring stress in a network
A system and method for providing a stress value representing the performance of a network comprising network devices is described. A raw data value for a monitored characteristic of a network...
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6700873 |
Apparatus for and method of detecting operation administration and maintenance (OAM) cell
In an OAM detecting apparatus and an OAM detecting method, normal lines are not adversary influenced at occurrence of failure and one failed position can be recognized at occurrence of a double...
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6701359 |
Apparatus and method for managing a multi-threaded persistent agent management information base including a managed object instance cache
A TMN system includes a multi-threaded persistent TMN agent and Management Information Bases (MIBs), each including a Managed Object Instance Cache The MIB is maintained in a general purpose...
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6700872 |
Method and system for testing a utopia network element
A method for testing a network element includes receiving from a network element into a buffer ( 40 ) a first clock signal ( 25 ) of the network element. The method includes receiving into the...
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6690650 |
Arrangement in a network repeater for monitoring link integrity by monitoring symbol errors across multiple detection intervals
A network repeater having a plurality of repeater ports selectively establishes links with remote nodes at one of two data rates based on the capabilities of the remote network node and a...
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6684274 |
Host bus adapter based scalable performance storage architecture
One embodiment of a storage controller is described including a controller memory, one or more central processing units (CPUs), and a host bus adapter all coupled to a controller bus. The one or...
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6683854 |
System for checking data integrity in a high speed packet switching network node
A system for checking the integrity of data transfer in a switching element in a high speed packet switching network node where multicasting is performed by simultaneously shifting data from a...
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6674724 |
Integrated telecommunications test system
An integrated web-based system for performing telecommunications system testing includes an application server that includes a plurality of test applications. The application server provides a...
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6667959 |
Switch fabric testing
A method is presented which allows for the testing and verification of an off-line switch fabric used in network switch having redundant switch fabrics. A special test cell is directed to the...
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6665267 |
Access management method, communications apparatus, and monitor and control system
The present invention provides to an access management method and the communications apparatus capable of limiting an access from a monitor and control apparatus to a communications apparatus. In...
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6658094 |
Method and apparatus for storing voice/fax messages in an intelligent network
Voice/fax messages are stored in an intelligent network. A network server receives an incoming call from a subscriber and, if the incoming call contains a voice/fax message, a trigger device is...
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6657966 |
Test access system and method for digital cross connect communication networks
A system and method for accessing a number of communication lines by one or more testing devices are disclosed. Each of the communications lines is coupled through the system and includes a first...
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6654913 |
Alternate port apparatus for manufacturing test of integrated serial bus and method therefor
An apparatus and method for integrated serial bus testing in a data processing system are implemented. During testing of the data processing system, serial bus test signals are provided via a...
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6654349 |
Real time automated checking mechanism for a bus protocol on an integrated bus system
A bus protocol is checked automatically during design or manufacture by connecting a bus protocol monitor to the bus and monitoring signals applied to the bus. The response to those signals is then...
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