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6667985 |
Communication switch including input bandwidth throttling to reduce output congestion
A network switch maintains transmit queues and for each transmit queue a table which identifies the contributions of traffic received at the ingress ports to that queue. When a queue is too long, a...
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6665266 |
Method and apparatus for multiplexing a multitude of separate data streams into one shared data channel, while maintaining CBR requirements
Transport packet multiplexing system and methodology that provides accurate bandwidth control, allowing bandwidth requirements to vary per multiplexed data stream while guaranteeing bandwidth...
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6662057 |
Method and device for controlling processes in a computer system
A computer system and method for executing several processes in tandem, that includes a scarce resource, which is accessed by the processes to be executed. A first device is provided for computing...
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6658512 |
Admission control method for data communications over peripheral buses
A method adaptively controls admission of a plurality of resources to a peripheral bus having a finite bandwidth. It monitors the actual data transfer rate of each resource having a bandwidth...
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6654803 |
Multi-panel route monitoring graphical user interface, system and method
The present invention relates to a graphical user interface (GUI) for displaying historical and current performance information for a route in a communications network, the route having several...
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6654345 |
Single-bit timestamps for data transfer rate and delay guarantees in a packet network
Single-bit-timestamp discrete-rate scheduling distributes service to competing connections (e.g., packet connections such as virtual-circuit connections) using a single bit for each connection,...
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6654385 |
Message division communication method and communication system
A message division communication method and system are disclosed for a communication system comprising a host, an intermediate device connected to the host through a high-speed bus and a remote...
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6647419 |
System and method for allocating server output bandwidth
A server computer handles multiple data flows between itself and other devices. The server has one or more applications that allocate bandwidth to respective flows and a network protocol stack that...
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6643496 |
System, method, and apparatus for adjusting packet transmission rates based on dynamic evaluation of network characteristics
Data can be transmitted efficiently by sending control information as demanded by the status of a network. To accomplish this, a transmitting terminal transmits data using the Real-Time Transport...
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6628616 |
Frame relay network featuring frame relay nodes with controlled oversubscribed bandwidth trunks
A frame relay network has a network management system in combination with frame relay nodes. The network management system provides frame relay oversubscription trunk and connection parameter...
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6628613 |
Flow control method in packet switched network
A flow control method in an Ethernet switch being a downstream device using a full duplex mode in a packet switched network of the type having a plurality of input ports connected to a plurality of...
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6614763 |
Method of and apparatus for measuring network communication performances, as well as computer readable record medium having network communication performance measuring program stored therein
Measurement packets are sent at equi-intervals from a sending unit into a network path. The probing packets are received by a reception unit, which measures the packet transmission time to estimate...
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6611496 |
Next hop selection in ATM networks
The invention provides a method and system for selecting one particular interface between a pair of adjacent nodes in an ATM network for assignment to a call in that network. The cell rate...
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6608815 |
Method and apparatus for connection admission control in cell or packet-based networks
A cell or packet-based Connection Admission Control (CAC) solution is provided for transmitting Protocol Data Units (PDU) such as Asynchronous Transfer Mode (ATM) user cells or Internet Protocol...
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6603738 |
Prioritization of data to be transmitted in a router
General Packet Radio Service is a new service designed for digital mobile systems. Because of bottlenecks, such as an air interface (Um), queues may be formed in routers. Long transmissions of data...
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6600721 |
End node pacing for QOS and bandwidth management
A system of pacing data between a network and an end node is described. The system determines a threshold bandwidth based on the receiving capabilities of a client device. A control circuit...
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6590866 |
Cell flowing ratio controlling method and cell switching system using the same
A UPC (cell flowing ratio controlling) function is executed when a plurality of channels are multiplexed in single device. The cell flowing ratio control method and system on a cell switching...
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6584111 |
ABR flow control using single bit congestion indication and wavelet transform filtering
A flow control system and methodology controls and avoids congestion in an Asynchronous Transfer Mode (ATM) network. The congestion state of a network switch is determined based on incoming...
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6581095 |
Apparatus for matching a large amount of configuration data between exchanger and telecommunication management network repeater in code division multiple access system and control method thereof
Apparatus and method including a starting file storing portion for matching a large amount of configuration data between an exchanger and an initialized TMN repeater, and a modified file storing...
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6577597 |
Dynamic adjustment of network elements using a feedback-based adaptive technique
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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6578083 |
Method for monitoring data flow at a node on a network facilitating data transfer on at least one link having at least one class of service
An apparatus and method for monitoring data flow at a node on a network are disclosed. A memory location or “bucket” is allocated to each of a plurality of links and classes of service at the...
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RE38134 |
System for communications where first priority data transfer is not disturbed by second priority data transfer and where allocated bandwidth is removed when process terminates abnormally
The present invention comprises a method and system for implementing prioritized communications in a computer system. The present invention is implemented on a computer system having a...
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6570848 |
System and method for congestion control in packet-based communication networks
A network switch including a port for the reception and transmission of data packets, and a receive buffer store connected to the port, detecting a predetermined state of fullness of the buffer...
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6570854 |
System and method for performing explicit rate marking for flow control in ATM networks using a virtual bandwidth-based methodology
An explicit rate marking system is disclosed for use in connection with a switching node to generate an explicit rate value for use in a resource management cell associated with a virtual circuit...
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6570883 |
Packet scheduling using dual weight single priority queue
A packet scheduling system for a packet switching network is disclosed which supports quality of service features including real-time priority, bandwidth reservation and excess bandwidth sharing. A...
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6560204 |
Method of estimating call level traffic intensity based on channel link measurements
Methods and systems are provided for estimating the source-destination traffic in a packet-switched network. Source-destination traffic is critical input to a variety of network engineering and...
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6560199 |
Band controller and its buffer overflow quenching method
The band controller of the present invention comprises a band setting and storing part for setting a band for UDP traffic through own device, a band state table for managing information on band...
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6549517 |
Explicit rate computation for flow control in compute networks
Flow control in a network is implemented based on aggregate traffic measurements. For example, in an ATM network only the aggregate background (CBR/VBR) traffic rate and the aggregate ABR traffic...
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6549515 |
Method for managing varying traffic loads in a telecommunication network
In a telecommunication network, a method for managing varying traffic load by establishing an instantaneous demand for bandwidth at a pre-defined location of the telecommunication network. The...
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6549533 |
Managing switched virtual circuits in a network
A system and method for managing switched virtual circuits in a virtual circuit switched network. A preferred embodiment method for managing switched virtual circuits comprises determining that a...
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6542593 |
Rules database server in a hybrid communication system architecture
According to a broad aspect of a preferred embodiment of the invention, telephone calls, data and other multimedia information is routed through a hybrid network which includes transfer of...
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6542465 |
Method for flow control in asymmetric digital subscriber line devices
A method for flow control in asymmetric digital subscriber line (“ADSL”) devices. The method includes flow control that adapts to changes in line conditions such as noise signals,...
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6539340 |
Methods and apparatus for measuring resource usage within a computer system
The invention is directed to techniques for measuring resource usage of a computer when processing a data element, using a usage field assigned to the data element. In one arrangement, the computer...
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6539432 |
Network manager, nodes and network management system
In a communication network constituted of relay nodes and edge nodes interconnected by communication lines and a network manager, the network manager manages relay nodes and edge nodes connected to...
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6538995 |
Delay minimization for circuit emulation over packet switched (ATM) networks
A method of minimizing throughput delay in constant-bit-rate services carried over packet-based networks subject to variable delays, comprises, in one embodiment, the steps of receiving incoming...
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6529475 |
Monitor for the control of multimedia services in networks
A method and system for reducing congestion of real time data traffic on a multimedia communications network having a traffic control mechanism. The method comprises of first extracting from data...
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6526504 |
System and method for sizing computer systems with variable ramp-up periods by calculating a throughput for target configuration based on data obtained from a computer subsystem
The present invention provides a system and method for accurately sizing a computer system and its component subsystems. The present invention requires only limited benchmark analysis to design...
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6519264 |
Rate monitoring of connections in a communications network using history buffer
There is provided a method and device for measuring a rate of message element traffic over a message path in a communications network. The path includes at least one connection and is associated...
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6516348 |
Collecting and predicting capacity information for composite network resource formed by combining ports of an access server and/or links of wide arear network
A method of displaying capacity information relating to computer resources over a preselected period of time. The computer resource is connected to a communications network and the method includes...
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6512769 |
Method and apparatus for rate-based cell traffic arbitration in a switch
A method and apparatus for rate-based cell traffic arbitration in a switch are provided, wherein arbitration is provided between eight traffic sources in the form of eight cell bus service modules...
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6512744 |
Virtual-channel merging
A merging ATM switch forwards to a common downstream ATM switch ATM data cells that it receives from a plurality of upstream ATM switches. The merging ATM switch may have different upstream ATM...
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6510160 |
Accurate computation of percent utilization of a shared resource and fine resolution scaling of the threshold based on the utilization
A method and apparatus for determining a percent utilization of shared resource and fine resolution scaling of a threshold based on the utilization is described. In one embodiment, the method...
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6496811 |
Fuzzy-logic based overload detection and correction for packet gateways
A fuzzy-logic based overload control for packet switches wherein a distribution curve is developed regarding the overload possibility versus receive packet stream processing rate. The transmit...
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6493316 |
Apparatus for and method of managing bandwidth for a packet based connection
Flow control of packet based traffic by window is known. Novel modification is described which causes the flow control mechanism to reduce sending rate to some configured number rather than just...
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6490249 |
Adaptive connection admission control scheme for packet networks
An adaptive method and apparatus for regulating connection admission of traffic for networks, which includes a limiter that limits a volume of traffic admitted to a network through a connection...
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6490630 |
System and method for avoiding deadlock in multi-node network
A computer architecture for avoiding a deadlock condition in an interconnection network comprises a messaging buffer having a size pre-calculated to temporarily store outgoing messages from a node....
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6490250 |
Elementary stream multiplexer
An integrated multimedia encoding system is disclosed. Multimedia encoders which are capable of adjusting bit rates receive multimedia data to compress the data. After compressing the data, the...
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6490298 |
Apparatus and methods of multiplexing data to a communication channel
Apparatus and methods for multiplexing data received from a plurality of sources to a communication channel. Each of the sources is assigned to one of at least two scheduling layers based in part...
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6477143 |
Method and apparatus for packet network congestion avoidance and control
There is provided a method for congestion control and avoidance in computer networks, which method includes the steps of sensing network congestion (including both sensing and predicting possible...
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6473400 |
Computation of traffic flow by scaling sample packet data
A method of computing statistics relating to the flow of data by way of a packet-switched data transmission system wherein a packet includes path address data and network address data, and the...
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