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1185 results about "Stream control" patented technology
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Systems and methods for providing stuctured policy expressions to represent unstructured data in a network appliance
ActiveUS20080225748A1Efficient configurationEfficient processingData switching by path configurationTraffic capacityData stream
Owner:CITRIX SYST INC
Methods and apparatus for controlling the transmission of stream data
ActiveUS6910078B1Accurate locationEffective serviceMultiple digital computer combinationsTransmissionFailoverStreaming data
Mechanisms and techniques provide a system that provides stream data to a client by monitoring operation of a stream control protocol such as RTSP associated with stream data transmitted between a client and a first stream server. The system detects a stream change event related to transmission of the stream data between the client and the first stream server and identifies a relative position within the stream data based on the operation of the stream control protocol. The system then establishes transmission of the stream data between the client and a second stream server starting at the relative position in the stream data. The system provides for mid-stream failover for the transmission of stream data such as real-time data with minimal perceptible loss of stream data by the client.
Owner:CISCO TECH INC
Well pressure control system
The present invention contemplates a choke control system that provides for local and off-site monitoring and control of the annulus flow pressure of a well. The choke control system includes a choke manifold connected to at least one choke and its associated actuator; a variety of instrumental drilling sensors, pump stroke counter switches, and choke position indicators; a local choke and hydraulic pressure control console; and a programmable controller in communication with the local choke and hydraulic pressure control console. The programmable controller handles the logical operations of the choke control system, including processing instrument measurements and operator input data to produce control signals for operating the choke, the choke actuator and the various valves associated with the choke manifold. The programmable controller is typically either an electronic digital computer and / or a programmable logic controller (PLC). The present invention further contemplates the two-way communication between the choke control system and the Internet via a satellite linkage.
Owner:EXPRO AMERICAS
Method and apparatus for adaptive CPU power management
A method and apparatus are disclosed for performing adaptive run-time power management in a system employing a CPU and an operating system. A CPU cycle tracker (CCT) module monitors critical CPU signals and generates CPU performance data based on the critical CPU signals. An adaptive CPU throttler (THR) module uses the CPU performance data, along with a CPU percent idle value fed back from the operating system, to generate a CPU throttle control signal during predefined run-time segments of the CPU run time. The CPU throttle control signal links back to the CPU and adaptively adjusts CPU throttling and, therefore, power usage of the CPU during each of the run-time segments.
Owner:AVAGO TECH INT SALES PTE LTD
Systems and methods for managing application security profiles
ActiveUS20080229381A1Efficient configurationEfficient processingMemory loss protectionError detection/correctionTraffic capacityData stream
Systems and methods for configuring and evaluating policies that direct processing of one or more data streams are described. A configuration interface is described for allowing users to specify object oriented policies. These object oriented policies may allow any data structures to be applied with respect to a payload of a received packet stream, including any portions of HTTP traffic. A configuration interface may also allow the user to control the order in which policies and policy groups are executed, in addition to specifying actions to be taken if one or more policies are undefined. Systems and methods for processing the policies may allow efficient processing of object-oriented policies by applying potentially complex data structures to unstructured data streams. A device may also interpret and process a number of flow control commands and policy group invocation statements to determine an order of execution among a number of policies and policy groups. These policy configurations and processing may allow configuration and processing of complex network behaviors relating to load balancing, VPNs, SSL offloading, content switching, application security, acceleration, and caching.
Owner:CITRIX SYST INC
Flow-Control Based Switched Group Video Chat and Real-Time Interactive Broadcast
InactiveUS20120268553A1Television system detailsTelevision conference systemsTraffic capacityVideo chat
Real-time interactive broadcast sessions for client devices include: for each client device in the interactive broadcast session, configuring downstream video and audio ports for the interactive broadcast session between a central controller and the client device; receiving from each client device a selected broadcaster corresponding to a broadcaster flow control signal; in response to receiving the selected broadcaster from each client device, sending video and audio streams of the selected broadcaster to each client device over the interactive broadcast session; receiving a request from a given client device on the interactive broadcast session to interact with the selected broadcaster; configuring upstream and downstream video ports for one-to-one video chat session between the central controller and the given client device; and sending the video and audio streams of the given client device, and the video and audio streams of the selected broadcaster, to each client device over the interactive broadcast session.
Owner:TALUKDER SHAH
Wavefront detection and disambiguation of acknowledgments
One or more flow control modules, implemented on various types of network topologies, provide a number of functionalities for controlling the flow of IP packets (such as TCP / IP packets) over a network connection. The flow control modules may be implemented within a sender and / or receiver or may be deployed into a network as a separate device without requiring significant additional resources.
Owner:CITRIX SYST INC
System for fine grained flow-control concurrency to prevent excessive packet loss
InactiveUS20080049617A1Prevent excessive packet lossError preventionTransmission systemsTraffic volumeDistributed computing
A system for flow-control concurrency to prevent excessive packet loss, including at least one transmitter node. Each transmitter node is configured to transmit data. A first flow-control device is coupled to the at least one transmitter node. The first flow-control device is configured to limit the number of concurrent data replies sent by the at least one transmitter node such that the resources on the transmitter node side will not be overrun. At least one receive node is configured to receive data transmitted. The at least one receiver node is coupled to the at least one transmitter node via the communication network. A second flow-control device is coupled to the at least one receiver node. The second flow-control device is configured to limit the number of concurrent data requests received by the at least one receiver node such that the resources on the receiver node side will not be overrun.
Owner:IBM CORP
TCP selective acknowledgements for communicating delivered and missed data packets
ActiveUS20050063303A1Error prevention/detection by using return channelFrequency-division multiplex detailsTraffic volumeReal-time computing
One or more flow control modules, implemented on various types of network topologies, provide a number of functionalities for controlling the flow of IP packets (such as TCP / IP packets) over a network connection. The flow control modules may be implemented within a sender and / or receiver or may be deployed into a network as a separate device without requiring significant additional resources.
Owner:CITRIX SYST INC
Systems and methods for configuring flow control of policy expressions
ActiveUS20080225720A1Efficient configurationEfficient processingError preventionTransmission systemsTraffic capacityData stream
Systems and methods for configuring and evaluating policies that direct processing of one or more data streams are described. A configuration interface is described for allowing users to specify object oriented policies. These object oriented policies may allow any data structures to be applied with respect to a payload of a received packet stream, including any portions of HTTP traffic. A configuration interface may also allow the user to control the order in which policies and policy groups are executed, in addition to specifying actions to be taken if one or more policies are undefined. Systems and methods for processing the policies may allow efficient processing of object-oriented policies by applying potentially complex data structures to unstructured data streams. A device may also interpret and process a number of flow control commands and policy group invocation statements to determine an order of execution among a number of policies and policy groups. These policy configurations and processing may allow configuration and processing of complex network behaviors relating to load balancing, VPNs, SSL offloading, content switching, application security, acceleration, and caching.
Owner:CITRIX SYST INC
Real-time dynamic and synchronized captioning system and method for use in the streaming of multimedia data
ActiveUS20090307267A1Adjustable speedFacilitate profile buildingDigital data processing detailsPicture reproducers using cathode ray tubesGraphicsGraphical user interface
A dynamic and synchronized real-time captioning system and method for streaming media. A streaming encoder module can provide a code injection to marry textual data and audio / video (AV) data in order to form a text and / or audio stream. A streaming control module can allow an end-user to specify font format utilized to embed into an AV stream. A delay enhancement tool can be adapted to adjust speed of the text and / or audio stream, which allows the end-user to receive the text and / or audio stream at a proper speed. A customized graphical user interface (CGUI) can be adapted to assist with streaming administration to provide an encoding option, caption source location, delay control and slide control. Therefore, the captioning system can be able to synchronize and deliver the textual data and the AV data for live media streaming at an end-user's system.
Owner:KYNDRYL INC
Data flow control order generating apparatus and sensor managing apparatus
ActiveUS20140372561A1Economic effectRequired data inexpensivelyMultiple digital computer combinationsPlatooningSensing dataInstruction unit
There is used a data flow control order generating apparatus that includes: a sensor side metadata acquisition unit acquiring sensor side metadata as information related to a sensor that outputs sensing data; an application side metadata acquisition unit acquiring application side metadata as information related to an application that provides a service by using the sensing data; a matching unit performing matching between the sensor side metadata and the application side metadata to extract the sensor capable of providing the sensing data that satisfies the request of the application; and an instruction unit transmitting a data flow control order that identifies the sensor extracted by the matching unit and the application to a sensor managing apparatus that manages the sensor.
Owner:ORMON CORP
Anti-flooding flow-control methods and apparatus
ActiveUS7092357B1Reducing flow of trafficReduce processing burdenError preventionTransmission systemsTraffic capacityData stream
Methods and apparatus for providing an Anti-Flooding Flow-Control (AFFC) mechanism suitable for use in defending against flooding network Denial-of-Service (N-DoS) attacks is described. Features of the AFFC mechanism include (1) traffic baseline generation, (2) dynamic buffer management, (3) packet scheduling, and (4) optional early traffic regulation. Baseline statistics on the flow rates for flows of data corresponding to different classes of packets are generated. When a router senses congestion, it activates the AFFC mechanism of the present invention. Traffic flows are classified. Elastic traffic is examined to determine if it is responsive to flow control signals. Flows of non-responsive elastic traffic is dropped. The remaining flows are compared to corresponding class baseline flow rates. Flows exceeding the baseline flow rates are subject to forced flow rate reductions, e.g., dropping of packets.
Owner:PALO ALTO NETWORKS INC
Buffer to buffer credit flow control for computer network
InactiveUS7085846B2Increased system latencyHOL blocking is substantially eliminatedError preventionFrequency-division multiplex detailsDistributed computingStream control
A system and method for providing flow control for a computer network is disclosed. In one embodiment of the present invention, buffer-to-buffer credit flow control is implemented to limit the amount of data a port may send based on the number and size of the frames sent from that port.
Owner:SAICO INFORMATION TECH WUHAN
Method and system of flow control in multi-hop wireless access networks
A system, method and relay transceiver for multi-hop wireless communications. In the relay, there is a receiver for adapted to receive packets on a first wireless link collectively destined for at least one mobile terminal. The transmitter buffers them and then transmits the packets on a second wireless link. A flow control function is implemented to provide flow control over the first wireless link to limit an amount buffered in the relay transceiver for a given mobile terminal.
Owner:APPLE INC
Information processing apparatus and method
InactiveUS20080056383A1Maintain continuityTelevision system detailsPicture reproducers using cathode ray tubesInformation processingComputer science
Disclosed herein is an information processing apparatus that performs a process of splicing encoded streams together at a splicing point, the apparatus including: control means for determining a section to be subjected to re-encoding in the encoded streams; decoding means for decoding the encoded streams to generate baseband signals; and encoding means for encoding an edited baseband signal generated by splicing the baseband signals generated by the decoding means together at the splicing point to generate an edited encoded stream. The control means provisionally determines a first section to be subjected to re-encoding in first and second encoded streams to be spliced together at a first splicing point. When a second splicing point exists in the first section or a predetermined section that follows the first section, the control means determines a second section to be subjected to re-encoding based on the second splicing point.
Owner:SONY CORP
LLC resonant converter control method, synchronous rectification control method and device
InactiveCN101707440AReduce lossFix stability issuesEfficient power electronics conversionDc-dc conversionResonant converterFrequency modulation
The invention discloses an LLC resonant converter control method, synchronous rectification control method and device, wherein the LLC resonant converter control method comprises the steps of: judging whether a load works in a preset state or not according to the connection frequency of an input switching tube of an LLC resonant circuit; if the load works in the preset state, enabling the LLC resonant circuit to work in a width modulation mode, and otherwise, enabling the LLC resonant circuit to work in a frequency modulation mode, wherein the preset state comprises a light load state or no-load state. The invention realizes the voltage stabilization under the condition of light load or no-load of the LLC resonant circuit, lowers the circuit loss, effectively simplifies a peripheral hardware circuit, and is more reliable in use compared with the prior art.
Owner:ZTE CORP
System and method for validating program execution at run-time using control flow signatures
ActiveUS20140325239A1Optimization mechanismSimple technologyMemory architecture accessing/allocationUnauthorized memory use protectionComputer architectureRuntime verification
A processor comprising: an instruction processing pipeline, configured to receive a sequence of instructions for execution, said sequence comprising at least one instruction including a flow control instruction which terminates the sequence; a hash generator, configured to generate a hash associated with execution of the sequence of instructions; a memory configured to securely receive a reference signature corresponding to a hash of a verified corresponding sequence of instructions; verification logic configured to determine a correspondence between the hash and the reference signature; and authorization logic configured to selectively produce a signal, in dependence on a degree of correspondence of the hash with the reference signature.
Owner:THE RES FOUND OF STATE UNIV OF NEW YORK
Systems and methods for configuring policy bank invocations
ActiveUS20080225722A1Efficient configurationEfficient processingMultiplex system selection arrangementsError preventionData packEngineering
Systems and methods for configuring and evaluating policies that direct processing of one or more data streams are described. A configuration interface is described for allowing users to specify object oriented policies. These object oriented policies may allow any data structures to be applied with respect to a payload of a received packet stream, including any portions of HTTP traffic. A configuration interface may also allow the user to control the order in which policies and policy groups are executed, in addition to specifying actions to be taken if one or more policies are undefined. Systems and methods for processing the policies may allow efficient processing of object-oriented policies by applying potentially complex data structures to unstructured data streams. A device may also interpret and process a number of flow control commands and policy group invocation statements to determine an order of execution among a number of policies and policy groups. These policy configurations and processing may allow configuration and processing of complex network behaviors relating to load balancing, VPNs, SSL offloading, content switching, application security, acceleration, and caching.
Owner:CITRIX SYST INC
Network-Initiated Content Streaming Control
ActiveUS20140379871A1Easily traverse firewall and NATsReduce overheadMultiple digital computer combinationsTransmissionManifest fileControl channel
Methods and systems are described for enabling network-initiated control of streaming of segmented content from a content delivery node to at least one client, said client being configured to access at least part of said segmented content on the basis of a manifest file, wherein a method may comprise: receiving a first manifest file identifying one or more segments and location information for locating one or more content delivery nodes configured to transmit said one or more segments to said at least one client; in response to said reception of said first manifest file, providing channel set-up information; and, establishing at least one streaming control channel between said at least one client and a control channel server function associated with said content delivery node on the basis of said control channel set-up information, said at least one client being configured for receiving at least one manifest file update message via said streaming control channel.
Owner:KONINK KPN NV
Point-to-point protocol flow control extension
ActiveUS7062568B1Less disruptiveEnergy efficient ICTError preventionPoint-to-Point ProtocolDistributed computing
Method and apparatus are disclosed for flow control over Point-to-Point Protocol (PPP) data links. A method of negotiating such flow control between two PPP peers is disclosed, along with methods for operating flow control across a PPP link. In one embodiment, flow control frames carry an IEEE802.3x MAC control frame payload—the PPP implementation repackages such frames as MAC control frames and passes them to a MAC, which performs flow control. In another embodiment, flow control frames allow flow control commands to be applied differently to different service classes such that PPP flow can be controlled on a per-class basis.
Owner:DELL MARKETING CORP
Workflow control configurator for use with process, factory-floor, environmental, computer aided manufacturing-based or other control system
ActiveUS7242991B2Enhancement in definitionFacilitate communicationComputer controlDigital data processing detailsMessage deliveryControl system
The invention provides improved methods and apparatus for workflow editing. Such methods and apparatus permit, for example, user-defined and / or other tasks to be combined in any combination or combinations to specify a workflow. The tasks can be linked for direct, serial processing and / or for conditional processing that includes branching and / or looping. The invention also improved methods and apparatus of workflow definition and processing with extensible actions. The invention provides, further, improved methods and apparatus for workflow definition and processing which utilize workflow variables for communication of data and control information among tasks within a workflow. The invention provides, still further, improved methods and apparatus of workflow definition and processing with enhanced messaging. The invention provides, still yet further, improved methods and apparatus for workflow definition and processing which permit definition of hierarchically enumerated data types and for for definition of “plans” to collect, e.g., for storage, data such as the aforementioned hierarchical data types.
Owner:SCHNEIDER ELECTRIC SOFTWARE LLC
Slope predictive control and digital PID control
InactiveUS7216497B2Minimize movementProlong lifeMechanical apparatusSpace heating and ventilation safety systemsRoom temperatureSnubber
Owner:AUTOMATED LOGIC CORP
Detecting data plane livelines in connections such as label-switched paths
ActiveUS7336615B1Minimizes processing overheadMinimize overheadError preventionTransmission systemsLabel switchingStream control
Testing the liveliness of a data plane of a label switched path (LSP) using a two stage approach. The first stage may use a general echo request operation that may be implemented using hardware. Therefore, the first stage does not heavily burden the control plane of the LSR. If a suspect LSP passes the first stage of the diagnostic operation, nothing more needs to be done. If, however, the suspect LSP fails the first stage, the diagnostic operation proceeds to a second stage. The second stage of the diagnostic operation sends probing massages through the suspect LSP, but uses the control plane to deliver the acknowledging messages. If the suspect LSP fails the second stage of the diagnostic operation, the ingress LSR can infer that the LSP is down, and begin recovery actions. The probing messages may include padding so that MTU limits can be tested. In addition, the probing messages may be encapsulated in a protocol that allows flow control, thereby protecting an LSR that can receive such messages from DoS attacks.
Owner:JUMIPER NETWORKS INC
Method and system for program and stream control of video to target device
InactiveUS20120297423A1Television system detailsColor television detailsComputer graphics (images)Computer science
Owner:CHARTER COMM OPERATING LLC
Backplane interface adapter with error control and redundant fabric
A backplane interface adapter with error control and redundant fabric for a high-performance network switch. The error control may be provided by an administrative module that includes a level monitor, a stripe synchronization error detector, a flow controller, and a control character presence tracker. The redundant fabric transceiver of the backplane interface adapter improves the adapter's ability to properly and consistently receive receive narrow input cells carrying packets of data and output wide striped cells to a switching fabric.
Owner:AVAGO TECH INT SALES PTE LTD
Network system and method of managing topology
ActiveUS20150003259A1Reduce loadEnergy efficient ICTError preventionReal-time computingNetworked system
In an open flow network, a load of a switch on a secure channel network when a controller maintains and updates a physical topology of the switch in the situation that a network among the switches is in a high delay state. More specifically, the controller sets a flow entry having a rule and an action defined to uniformly control a packet as a flow to each of a plurality of switches. The controller sets to each switch, a circulation flow entry to be deleted when a circulation packet which is mutually transmitted and received among the switches gets not to arrive. Then, when receiving a notice that the circulation flow entry has been deleted, from each switch, the controller detects a failure among the switches.
Owner:NEC CORP
Adaptive coding and modulation flow control and traffic shaping systems and methods
ActiveUS20070097852A1Orthogonal multiplexWireless commuication servicesSignal qualityAdaptive coding
A process is described to build physical layer frames with a modcode adapted to the signal quality of a destination terminal. Data packets assigned to the same modcode may be sent in the same frame, although packets associated with higher modcodes may be used to complete a frame before switching to the applicable higher modcode for construction of subsequent frames. After an interval, the order of progression is restarted with an out of order packet above a threshold age. Flow control filtering mechanisms and a variable reliability margin may be used to adapt dynamically to the current data traffic conditions.
Owner:VIASAT INC
Stream control failover utilizing the sharing of state information within a logical group of stream servers
ActiveUS20060248212A1Quick transitionAvoid the needMultiple digital computer combinationsTransmissionDigital videoClient-side
A technique for streaming digital video content to multiple clients involves establishing a logical group of IP-connected stream servers, generating state information at multiple stream servers within the logical group, sharing the state information amongst stream servers in the logical group, and using the shared state information to respond to resource failures within the logical group. By sharing state information within the logical group of stream servers, stream servers with the shared state information can quickly take over the active streams from a failed stream server within the logical group. The quick transition of responsibility from one stream server to another enables the streaming network to provide continuous streaming of digital video content to the viewer without interruption.
Owner:SYNAMEDIA LTD
Congestion control and QOS in noc by regulating the injection traffic
Systems and methods described herein are directed to solutions for NoC interconnects that provide congestion avoidance and end-to-end uniform and weighted-fair allocation of resource bandwidths among various contenders in a mesh or torus interconnect. The example implementations are fully distributed and involve using explicit congestion notification messages or local congestion identification for congestion detection. Based on the congestion level detected, the injection rates of traffic at various agents are regulated that avoids congestion and also provides end-to-end QoS. Alternative example implementations may also utilize end-to-end credit based flow control between communicating agents for resource and bandwidth allocation of the destination between the contending sources. The resource allocation is performed so that both the weighted and strict bandwidth allocation QoS policies are satisfied.
Owner:INTEL CORP
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