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7221656 |
Technique for implementing an admission control scheme for data flows
A technique for implementing an admission control scheme for data flows is disclosed. In one embodiment, the technique is realized by determining a current error value in response to a queue size...
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7209447 |
Method and apparatus for measuring packet connection quality of service
Telephone conversations carried over an internet protocol network or other asynchronous network can be monitored for quality and rerouted if the error rate of data transmission through the network...
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7206285 |
Method for supporting non-linear, highly scalable increase-decrease congestion control scheme
Disclosed is a method and system for controlling congestion control in a packet data communication network in which a plurality of data is transmitted from a source node to a destination node....
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7206855 |
System and method for exchanging information across a computer network at variable transmission rates
A send client can send a message comprising multiple message segments to a receive client via a computer network. A data exchange server can receive the message segments sent by the send client and...
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7207062 |
Method and apparatus for protecting web sites from distributed denial-of-service attacks
An Internet Service Provider (ISP), in consideration of being remunerated in some manner by a site, determines whether packets destined to that site conform to a profile provided to the ISP by that...
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7203169 |
Interface facilitating configuration of network resource utilization
Methods, apparatuses and systems facilitating the configuration of parameters controlling utilization of a network resource. In one embodiment, the present invention allows a network administrator...
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7200672 |
Flow control system and method
A flow control system include a congestion detecting section and control section. The congestion detecting section detects congestion in a packet switching network. The control section is arranged...
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7200111 |
Method for improving TCP performance over wireless links
A protocol for differentiating congestion-related packet loss versus random packet loss in a wireless data connection. The protocol monitors changes in the length of a transmission queue in a...
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7197048 |
Virtual private network
The invention provides apparatus and methods for a Virtual Private Network (VPN) in a network that offers a simple user interface for efficient utilization of network resources. The VPN is defined...
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7194741 |
Weighted fair queuing scheduler
A scheduler which uses a GPS simulation to determine an order in which to service entities uses a novel dynamic data structure with a sophisticated, but simple, pointer update mechanism. Preferred...
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7193966 |
Triggered packet data rate change in a communication system
Communication traffic associated with one or more mobile terminals is monitored to efficiently manage allocated radio resources. A rate management technique dynamically adjusts allocated radio...
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7193967 |
Switching system
An ATM switching system 1 is provided with an ATM switch 11, a reserved connection memory 12 for storing reserved connection information, a call history memory 13 for maintaining call...
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7190671 |
Mitigating denial-of-service attacks using frequency domain techniques
Methods and apparatus for mitigating denial of service attacks in a communications network are described. Frequency domain techniques such as Fourier Transform are used to detect packet flooding in...
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7187708 |
Data buffer structure for physical and transport channels in a CDMA system
A buffer structure for storing symbols received via a number of (e.g., physical or transport) channels. Each channel is associated with a particular time interval (e.g., a radio frame period or a...
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7184402 |
Method for multi-link load balancing to improve sequenced delivery of frames at peer end
A distribution pattern is established to distribute multilink frame relay (MFR) fragments. The distribution pattern includes a sequence of link entries associated with links in a link bundle. A...
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7180858 |
Tool for measuring available bandwidth in computer networks
The available bandwidth of a communication path between two nodes of a computer network is determined using probe packages that are transmitted between a sender one of the nodes and a receiver one...
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7181667 |
Method and apparatus for modulating radio link control (RLC) ACK/NAK persistence to improve performance of data traffic
Methods and apparatus are provided for modulating ACK/NACK persistence to improve data traffic performance. In one implementation, a method for control of automatic repeat requests between a...
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7177271 |
Method and system for managing admission to a network
A method and system for managing admission to a network considers the packet delay of the network in making an admission decision. The packet delay of the network is periodically probed. To avoid...
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7177268 |
Packet distributing device
Packets of different priorities are efficiently distributed to a plurality of links of different qualities. When transmitting a low priority packet, the load on a higher quality link is examined,...
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7164655 |
Method and transceiver for a data packet oriented communication system
A method and a transceiver for selecting a current transmission mode in a data packet oriented communication system involves measuring a current radio link quality for the radio link; estimating on...
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7161907 |
System and method for dynamic rate flow control
A system and method for providing dynamic rate flow control. An originating entity sets requested and target rates of communication within a communication sent to a destination entity. The...
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7154852 |
Devices, softwares and methods for dynamic bandwidth allocation for ATM connections
Devices, softwares and methods dynamically allocate bandwidth in ATM SVC connections. If there is an increase in the rate of demand, additional switched virtual circuits are opened for adding...
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7155533 |
Procedure and controller for a packet-oriented data network for the transmission of data in variable time slots
The invention relates to a procedure for the transmission of data in variable time slots between a controller of a packet-oriented data network on the one hand and a terminal of a user of the data...
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7154908 |
Method and arrangement for coupling messages in a central control device with decentralized communications devices
The invention describes a novel private branch exchange and the migration solution with respect to existing devices. Communication connections are established via a transport network, the control...
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7154896 |
ATM traffic having unknown characteristics including traffic with weighted priorities and traffic without weighted priorities
An ATM communication system. The system includes a source which produces traffic for connections having known traffic characteristics and unknown traffic characteristics. The traffic has unknown...
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7149186 |
Apparatus and method for rate adaptation control
A rate based FIFO controller identifies a time slot value for a number of time slots allocated for receiving or transmitting data in a frame and selects data fill level threshold values in a FIFO...
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7149184 |
Transmission rate monitoring apparatus and method
A transmission rate monitoring apparatus capable of promptly detecting the average transmission rate of data transmitted on a transmission channel. Data is received on the transmission channel, and...
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7146425 |
Measurement-based admission control utilizing effective envelopes and service curves
The admission control algorithm implements measurement-based connection admission control using effective envelopes of an arriving traffic aggregate and the service curves of the corresponding...
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7146444 |
Method and apparatus for prioritizing a high priority client
A method and apparatus of deprioritizing a high priority client. An isochronous data stream request is generally referred to as a “high priority” client. These high priority requests are...
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7145876 |
Method and apparatus incorporating adaptive datalink framing for message communication
A communication device ( 300 ) operates in a training mode to develop parameters based on estimates related to at least two different instances of channel conditions, such as indicated by bit error...
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7142512 |
Network measurement controlling system apparatus and method
According to the invention, techniques for controlling the quality of each communication service in a network automatically according to measured information of network traffic are provided. In a...
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7142513 |
Method and multi-queue packet scheduling system for managing network packet traffic with minimum performance guarantees and maximum service rate control
In a method and multi-queue packet scheduling system for managing network packet traffic, each of a plurality of output buffer queues is assigned with a reserved weight in bandwidth sharing of an...
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7142507 |
Traffic monitoring equipment and system and method for datagram transfer
The purpose of the present invention is to provide a datagram transfer network that can operate stably by avoiding a state of congestion collapse by utilizing information derived from evaluating...
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7136354 |
Merge method and node for consolidating a plurality of communication connections in a connection-oriented network
A communication connection merge method and a node to be employed in the same can merge parameter of LSP, such as request bandwidth or the like, upon performing merging. The communication...
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7133406 |
Prioritization method and apparatus measuring individual flow properties
Packets being transmitted through a communication network are recognized as belonging to various individual flows. A property of each individual flow is measured by adding a value, such as a unity...
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7130268 |
End-to-end bandwidth estimation for congestion control in packet switching networks
The invention herein described consists of an algorithm, which performs an end-to-end estimation of the bandwidth available in an end-to-end connection established between a server and a client via...
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7126913 |
Method and system for managing transmission resources in a wireless communications network
A method and system for managing transmission resources in a wireless communications network includes receiving a plurality of packets and determining a time duration for transmission of each...
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7117278 |
Method for merging a plurality of data streams into a single data stream
A method of merging a first data stream with a second data stream to generate a third data stream. The method comprises receiving a first packet from the first data stream, the first packet...
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7116636 |
Data rate adjuster using transport latency
An apparatus and method for reducing the data rate in a network using a delay processor. Since an increase in the data rate can overwhelm parts of the network hardware, such as a router, a delay...
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7113791 |
Method for assessing the characteristics of a network for mobile telecommunications apparatuses
A method of assessing traffic and performance characteristics of a mobile telecommunications network in terms of the level of service has inputs as to performance requirements for voice traffic and...
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7110365 |
Apparatus for analyzing performance of traffic in asynchronous transfer mode (ATM) switch and method thereof, and ATM switching system employing the same
An apparatus and method for analyzing the performance of an ATM switch, and an ATM switching system employing the same. The apparatus includes a traffic detecting portion for detecting traffic of...
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7107324 |
Computer system
The NAS device receives the delivery instruction from the delivery server. The delivery instruction includes the information for identifying the client which is to be the delivery destination of...
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7106698 |
System for triggering the control plane in an asynchronous connection-oriented transmission network
Asynchronous connection-oriented transmission network of the (ATM) network type comprising a plurality of switching nodes ( 12, 14, 16, 18 ) interconnected by connection lines, each of these...
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7106967 |
Optical packet switching apparatus and methods
An optical packet switch switches optical packets according to bit-rates at which the optical packets are provided. For example, optical packets that are received at similar bit-rates may be routed...
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7106696 |
Systems and methods for limiting the rates of data to/from a buffer
A system controls the transfer of data. The system receives a request to transfer data and determines whether a counter value equals or exceeds a threshold. The counter value represents an amount...
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7103672 |
Method and apparatus for improving system performance through remote credit management
A method and apparatus are disclosed for improving system performance by controlling the flow of transactions between interconnected nodes by considering the system resources required for a...
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7095717 |
Method for multiplexing two data flows on a radio communication channel and corresponding transmitter
A method for multiplexing two data flows on a radio communication channel of a radio communication network, each of the data flows having data packets to be transmitted on the radio communication...
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7096260 |
Marking network data packets with differentiated services codepoints based on network load
A method and apparatus for performing load-based packet marking within a network is described. In one aspect, a first group of one or more packets of a data flow are marked with a first behavioral...
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7085230 |
Method and system for evaluating the quality of packet-switched voice signals
A method and apparatus for determining what level of performance must be maintained by a second communication service so as to be perceived as being of equal quality to a first communication...
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7085229 |
Scheduling assist for data networking packet dequeuing in a parallel 1-D systolic array system
The present invention comprises a scheduling assist function (scheduling assist) that enables a processor to schedule events and be notified when these events expire. In addition, the present...
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