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6853619 |
System and method for measuring the transfer durations and loss rates in high volume telecommunication networks
The invention relates to a system and non-intrusive method for measuring loss rates and transfer durations for data flows that are sent by a telecommunication network in packet mode. The inventive...
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6848004 |
System and method for adaptive delivery of rich media content to a user in a network based on real time bandwidth measurement & prediction according to available user bandwidth
A network implementing HotMedia architecture provides real time measurement and prediction of bandwidth for adaptive content delivery of rich media according to available user bandwidth. The rich...
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6847611 |
Traffic management for frame relay switched data service
A new type of data transport service which uses a frame relay layer 2 data link connection identifier (DLCI) to select among various service types, feature sets, and/or closed user groups (CUGs)....
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6842618 |
Method and system for performing call admission control in the uplink for third generation wireless communication systems
A method and system for performing call admission control in wireless communication systems is disclosed. Resource units required by a new user are assigned based on an outage probability of each...
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6839768 |
Startup management system and method for rate-based flow and congestion control within a network
A startup management system and method, particularly adapted for use in computer and other communication networks, is presented. Rate-based flow and congestion control mechanisms have been...
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6836466 |
Method and system for measuring IP performance metrics
A method and system is provided for measuring network performance. The method and system divides a stream of packets flowing through a first point into frames, the first point being any point in...
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6831892 |
Bandwidth optimization of video program bearing transport streams
An apparatus comprising an input capable of receiving a bandwidth optimized transport stream is provided. The bandwidth optimized transport stream can be produced by receiving a transport stream of...
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6819654 |
Trunking inter-switch links
A method and apparatus for routing frames through a fiber channel fabric to make the most efficient possible use of redundant inter-switch links between neighboring switches. The inter-switch links...
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6816457 |
Predictive routing table cache population
A router and method for routing table cache population technique is disclosed. In particular, the illustrative embodiment routes packets through it more quickly than comparatively expensive routers...
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6813654 |
Data processing apparatus having a flow control function for multi-cast transfer
Two transfer modes of a band-guaranteed cycle and an event-driven type asynchronous cycle are defined for a multimedia bus. In the band-guaranteed cycle, stream data is transferred between nodes,...
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6810014 |
ATM multiplex apparatus and congestion reporting method
A congestion control method and apparatus that conducts congestion control for a frame relay terminal in real time and without any time lag when a congestion has occurred at an outgoing cell store...
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6798741 |
Method and system for rate shaping in packet-based computer networks
The flow of packet-based traffic is controlled to meet a desired rate by calculating, as a moving average, a current rate of packet-based traffic on a link, calculating the sum of the error between...
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6795865 |
Adaptively changing weights for fair scheduling in broadcast environments
Adaptively changing weights for fair scheduling in broadcast environments. In one embodiment, a computer-implemented method allocates bandwidth among a plurality of flows, such as nodes, sharing an...
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6791943 |
Event-based technique for determining instantaneous cell bandwidth in a digital communications network
A method and associated apparatus for determining the bandwidth or transmission rate of a desired type of cell in a cell stream occurring over a digital communications network connection during a...
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6789123 |
System and method for delivery of dynamically scalable audio/video content over a network
A system and process for streaming delivery of dynamically scalable media content over a network, such as, for example, the Internet or a wireless network, while automatically accounting for both...
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6785337 |
MPEG picture processing apparatus and data transferring method using the apparatus
In an MPEG picture processing apparatus, a for-reconstructed-picture data transfer for picture data relating to the decoding performed in a video decoder is performed between the video decoder and...
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6781955 |
Calling service of a VoIP device in a VLAN environment
A method for optimizing call service in a VLAN including at least one Voice over Internet Protocol device involves determining the current traffic levels of the VLAN, then adjusting the priority...
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6778500 |
Migration of downlink traffic in GPRS
The present invention relates to a method for improving the traffic handling capacity of a packet switched mobile telephone communication system. In said system there is introduced a load sharing...
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6778499 |
Method and apparatus for enabling the smooth transmission of bursty data in a wireless communications system
A method and apparatus for smoothing bit rate transitions in a bursty input data stream. The method includes the steps of receiving the input data stream in a buffer, periodically measuring the...
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6775231 |
Dynamic weighted resource sharing
In one embodiment, the technique dynamically adjusts resource allocations for each traffic class based on actual traffic load measured for each service class. In this way, the per-hop-behavior...
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6771602 |
Method and apparatus for dynamic EPD threshold for UBR control
A method and apparatus for providing ABR and UBR services with one FIFO queue. The queue accepts UBR data until a threshold queue capacity (EPD) is reached, at which point data is dropped. This...
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6772224 |
Method and system for processing load distribution for a packetized telecommunication network entity
A method and system is provided for routing at least one message from one or more subscribers of a communications network in a network node, the network node having a plurality of processing cards...
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6771652 |
Method and system for controlling transmission of packets in computer networks
A method and system for controlling a flow of a plurality of packets in a computer network is disclosed. The computer network includes a queue. The method and system include determining a queue...
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6766365 |
Ripple scheduling for end-to-end global resource management
A global resource manager is provided for each node of a plurality of nodes of a distributed data processing system. Each node can be a coordinator node, an intermediate node, and a leaf node...
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6762994 |
High speed traffic management control using lookup tables
A system and method for managing high speed traffic though switching elements in a digital network such as an asynchronous transfer mode (ATM) network. The system applies in particular to available...
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6754742 |
Queue management system having one read and one write per cycle by using free queues
The invention relates to a buffer memory, method and a buffer controller for queue management usable in an ATM switch. An object of the invention is to achieve a high frequency throughput of data...
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6751684 |
System and method of allocating bandwidth to a plurality of devices interconnected by a plurality of point-to-point communication links
A method is provided for fairly allocating bandwidth to a plurality of devices connected to a communication link implemented as a plurality of point-to-point links. The point-to-point links...
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6747950 |
Method of routing asynchronously transferred message cells with 100% power capacity utilization
In a means for forwarding message cells transmitted according to the asynchronous transfer mode, the message cells of a plurality of blocks are supplied to an interface that supports back pressure...
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6748435 |
Random early demotion and promotion marker
Data packets are received by the REDP traffic conditioning marker from the upstream domain and each have a red, yellow, or green priority level. The traffic conditioning marker monitors the rate of...
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6748439 |
System and method for selecting internet service providers from a workstation that is connected to a local area network
A method for dynamically selecting a network service provider is disclosed. The method allows a user to select a default route for an internet connection in a network configuration having a local...
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6744731 |
Method for offering and keeping ready network capacity as well as network management unit for implementing the method
A method for offering and keeping ready network capacity in a telecommunications network, wherein network capacity (Ch 1 , Ch 2 , Ch 3 ) offered by a network operator to a potential consumer is...
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6741570 |
Cell buffer use rate monitoring method and system
A cell buffer use rate monitoring method allowing a memory required for detecting the currently used amount of a cell buffer to be reduced. A monitoring time and a plurality of cell buffer...
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6741564 |
Method implemented by a base station for selectively suppressing communications
A method implemented by a base station for suppressing selective communications during communication rate modification, wherein the base station is coupled between first and said second...
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6741568 |
Use of adaptive resonance theory (ART) neural networks to compute bottleneck link speed in heterogeneous networking environments
Bottleneck link speed, or the transmission speed of the slowest link within a path between two nodes, is determining by transmitting a sequence of ICMP ECHO data packets from the source node to the...
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6738350 |
Congestion avoidance approach for a switching communication system with transmission constraints
An approach for performing congestion avoidance in a switching communication system is disclosed. An input port of the switching communication system receives a bandwidth request from a source. The...
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6738819 |
Dynamic admission control for IP networks
A dynamic admission control(AC) mechanism for accepting traffic service requests to a carrier IP network based on an iterative measurement method, is disclosed. For each service offered, a network...
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6728255 |
Apparatus and method for storing min terms in a network switch port memory for identifying data packet types in a real time
A network switch, configured for performing layer 2 and layer 3 switching in an Ethemnet (IEEE 802.3) network without blocking of incoming data packets, includes a network switch port having a...
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6728209 |
Measurement of packet delay variation
Packet communication systems, or networks, are commonly used for the conveyance of information for data applications. The receive rate of incoming packets varies as congestion in the network causes...
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6725274 |
Fail-safe system for distributing streaming media having a dynamically reconfigurable hierarchy of ring or mesh topologies
A distribution network architecture resistant to component failure is provided for distributing streaming media which supports partial mesh and ring-based topologies. Data streams are provided to...
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6704280 |
Switching device and method for traffic policing over a network
A flow of information over a network is controlled by a policing function placed at a data link layer of the network. For a full-duplex architecture, an accumulated count value for each packet of...
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6701372 |
Data communication apparatus and method
This invention can make data communications at an optimal transfer rate on the basis of the unarrived data volume on a network between two end terminals. For this purpose, a transmitting terminal (...
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6700897 |
Apparatus and method for identifying data packet types in real time on a network switch port
A network switch, configured for performing layer 2 and layer 3 switching in an Ethernet (IEEE 802.3) network without blocking of incoming data packets, includes a network switch port having a...
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6687781 |
Fair weighted queuing bandwidth allocation system for network switch port
A traffic manager for a network switch port stores incoming cells in a cell memory and later forwards them out of the cell memory and the switch port. Each cell is assigned to one of several flow...
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6687228 |
Method and system in a packet switching network for dynamically sharing the bandwidth of a virtual path connection among different types of connections
The present invention relates to a method and system of sharing among a plurality of virtual channel connections the bandwidth of a bandwidth adjustable virtual path connection established between...
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6680914 |
Method for optimizing the performance of the code division multiple access system and the air field environments
A method for optimizing the performance of the code division multiple access system and the air field environments is disclosed. The invention includes the step of connecting a CDMA mobile station...
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6675218 |
System for user-space network packet modification
A system for user-space packet modification, including a set of kernel code and a user-level application programming interface (API). The system facilitates creation of a special socket for passing...
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6671254 |
Communication network and communication node used in such network
A network system comprises nodes, a network management system and a plurality of user terminals. Each of the nodes established on the network system comprises an optical cross connect and a packet...
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6671257 |
Feedback control method and device in ATM switching system
In an ATM switching system, an ABR service is implemented with a specific ABR control capability. A subscriber line processing device includes calculating a turnaround delay time of a cell, based...
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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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