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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...
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...
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)....
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...
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...
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...
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...
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...
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...
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,...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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 (...
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...
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...
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...
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...
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...
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...
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...
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...
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...