Amazon Technologies, Inc.

Citrix Systems, Inc.

Paul Hinks

James Morgan Selvidge

Rudy Willis

Stephen Daniel Vilke

Stephen D Vilke

Russell Allen Brown

Paolo Maggi

Mark John Keller

Paolo Angelo Angelo Borelli

James Selvidge

Systems and methods are described herein for repairing a block of pixels in image data that was encoding using a lossy type of compression. In one aspect, it may be determined that a first pixel block within a first frame of image data was encoded using lossy compression, where the first pixel block comprising a plurality of pixels. Next, it may be determined that the plurality of pixels in the first pixel block in a second frame of the image data are below a threshold difference as compared to the plurality of pixels within the first frame of the image data. Responsive to the determining, the first pixel block may be re-encoded in the second frame or a subsequent frame of the image data using lossless compression.

Lossy block repair

Systems and methods are described herein for implementing a hybrid codec to compress and decompress image data using both lossy and lossless compression. In one example encoding process, it may be determined whether a first block of pixels of a frame of image data contains an edge. A type of compression by which to encode the first block may be selected based on that determination. The first block may be compressed using the selected type of compression. At least one second value associated with the first block of pixels may be set to indicate at least oof the compressed value or the type of compression used to compress the first block.

Hybrid codec

Continuity-based data protection may be implemented by systems and methods described herein for collecting a set of data that corresponds to a graphical representation of a computing environment, determining a plurality of subsets of the set of data, wherein a subset of the plurality has mathematical continuity, compressing at least the subset of the plurality, thereby generating one or more compressed subsets, and providing the one or more compressed subset to another computing entity, the other computing entity being able to determine the graphical representation of the computing environment, wherein the graphical representation is presentable to a user of the other computing entity.

Data loss protection with continuity

Application data may be transmitted while oscillating a transmission parameter. A metric associated with a complementary network property is analyzed to identify a transition point between a stochastic error state and a deterministic error state of the complementary network property. Additional network properties or states may be inferred from the transition point, and the transmission of the application data may be optimized based on the inferred additional properties or states.

Continuously calibrated network system

Data is transmitted in accordance with a parameter. For a metric associated with transmission of the data, a response to a stochastic error state of the metric includes making a first adjustment to the parameter in a first direction. A response to a deterministic error state of the metric includes making a second adjustment to the parameter in a second direction, where the second direction is in opposition to the first direction. A transition point between the two states is identified, and a response to the identification is made.

Techniques for oscillatory complementary network property calibration of a network connection can be implemented by measuring a first network property (e.g., latency or bandwidth output) as a function of bandwidth input and performing statistical analysis to determine a correlation. If a non-zero correlation coefficient is detected, a second network property complementary to the first network property can be measured to determine a first value of the second network property. Likewise, the second network property can be measured as a function of bandwidth input to determine a second correlation which, if positive, may indicate how to determine a second value of the first network property. The first value and the second value can be utilized to determine a third value of a third network property (e.g., network latency and network capacity utilized to determine bandwidth-delay product).

Continuous calibration of network metrics

Systems and methods for dynamic representation of a remote computing environment which can be implemented in the context of a virtual desktop infrastructure. A server hosting a computing environment may communicate system state to a remote client via a network. A representation of the computing environment may be generated by obtaining graphical data of a virtual computing environment, sub sampling the graphical data to determine a plurality of regions, determining a manner to prioritize the plurality of regions, and causing, based on the prioritization, an approximate representation of the graphical data to be transmitted to a second system.

Dynamic representation of remote computing environment

Methods and system for enabling locally generated transition graphics interaction with virtualized host computer service includes receiving a control command issued by a user to control screen data currently being rendered at the display device, at a display device of a client device. The control command is transmitted to the host computer service for processing. The host computer service processes the control command and returns updated screen data to the client device. In response to the receipt of the updated screen data, the client device identifies a desired screen effect associated with the control command. The updated screen data received from the host computer service is packaged at the client device with data associated with the desired screen effect to generate a visual response at the client device. The packaged screen effect is returned to the display device for rendering, in response to the control command.

Methods and system for locally generated gesture and transition graphics interaction with terminal control services

Methods for providing layered gear mechanism to enable optimal transmission of data packets includes identifying types of data that are scheduled for transmission over a network. Data packets are generated at different depths for a particular type of data identified for transmission, wherein the data packets are generated at a source. The data packets of different depths are transmitted in different layers over a network, to a destination, wherein each layer of data packets corresponds to a specific depth. Response for the data packets transmitted in each layer is collected from the network as the data packets progress along the network. The response is analyzed to identify network transmission characteristics for each layer. A depth is selected for transmitting subsequent data packets for the particular data type based on the network transmission characteristics obtained through the analysis.

Methods and apparatus for using a layered gear to analyze and manage real-time network quality of service transmission for mobile devices on public networks

Methods and apparatus for providing layered gear mechanism to analyze network loss and latency conditions includes bundling data into data packets of varying depths, at a source with data packets of each depth belonging to a particular data type. The data packets of varying depths are transmitted in layers over a network, to a destination. Information for the transmitted data packets for each layer is collected constantly and analyzed as the data progresses along the network to identify corresponding network transmission characteristics. The transmission of subsequent data packets for anyone of the layers is adjusted based on the network transmission characteristics. The adjusting is repeated one or more times based on the analyzed information for the transmitted data packets. The transition metrics for each layer is utilized for relative analysis of transmission metrics across the layers to set the adjusting.

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San Rafael, CA, United States of America

Paul Hinks