Opportunistic block transmission with time constraints
First Claim
Patent Images
1. A method comprising:
- beginning execution of a stream-enabled application at a streaming playback device;
determining a first resource needed to continue execution of the stream-enabled application;
determining if the first resource is present in a cache of the streaming playback device;
if it is determined that a block including the first resource is present in the cache, retrieving the block including the first resource for use in continued execution of the stream-enabled application;
if it is determined that the first resource is absent from the cache;
sending a request for the block including the first resource to a streaming server;
receiving, from the streaming server, the block including the first resource and at least one predicted block used in execution of the stream-enabled application, the at least one predicted block determined based on a probability that the at least one predicted block will be requested in execution of the stream-enabled application, a number of blocks included in the at least one predicted block based on a data window size, wherein the probability that the at least one predicted block in being requested is based on whether the at least one predicted block is requested by the stream-enabled application when an error condition occurs in executing the stream-enabled application at the streaming playback device;
storing the block including the first resource and the at least one predicted block in the cache;
using the block including the first resource to continue execution of the stream-enabled application.
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Abstract
A technique for determining a data window size allows a set of predicted blocks to be transmitted along with requested blocks. A stream enabled application executing in a virtual execution environment may use the blocks when needed.
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Citations
18 Claims
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1. A method comprising:
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beginning execution of a stream-enabled application at a streaming playback device; determining a first resource needed to continue execution of the stream-enabled application; determining if the first resource is present in a cache of the streaming playback device; if it is determined that a block including the first resource is present in the cache, retrieving the block including the first resource for use in continued execution of the stream-enabled application; if it is determined that the first resource is absent from the cache; sending a request for the block including the first resource to a streaming server; receiving, from the streaming server, the block including the first resource and at least one predicted block used in execution of the stream-enabled application, the at least one predicted block determined based on a probability that the at least one predicted block will be requested in execution of the stream-enabled application, a number of blocks included in the at least one predicted block based on a data window size, wherein the probability that the at least one predicted block in being requested is based on whether the at least one predicted block is requested by the stream-enabled application when an error condition occurs in executing the stream-enabled application at the streaming playback device; storing the block including the first resource and the at least one predicted block in the cache; using the block including the first resource to continue execution of the stream-enabled application. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A system comprising:
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a streaming playback device configured to; begin execution of a stream-enabled application; determine a first resource needed to continue execution of the stream-enabled application; a client block granularity engine configured to; determine if the first resource is present in a cache of the streaming playback device; retrieve the block including the first resource for use in continued execution of the stream-enabled application, if it is determined that a block including the first resource is present in the cache; a network data engine configured to; send a request for the block including the first resource to a streaming server, if it is determined that the first resource is absent from the cache; receive, from the streaming server, the block including the first resource and at least one predicted block used in execution of the stream-enabled application, the at least one predicted block determined based on a probability that the at least one predicted block will be requested in execution of the stream-enabled application, a number of blocks included in the at least one predicted block based on a data window size, wherein the probability that the at least one predicted block in being requested is based on whether the at least one predicted block is requested by the stream-enabled application when an error condition occurs in executing the stream-enabled application at the streaming playback device; wherein the client block granularity engine is further configured to store the block including the first resource and the at least one predicted block in the cache; wherein the streaming playback device is further configured to use the block including the first resource to continue execution of the stream-enabled application. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17)
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18. A system comprising:
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means for beginning execution of a stream-enabled application at a streaming playback device; means for determining a first resource needed to continue execution of the stream-enabled application; means for determining if the first resource is present in a cache of the streaming playback device; means for retrieving the block including the first resource for use in continued execution of the stream-enabled application, if it is determined that a block including the first resource is present in the cache; means for sending a request for the block including the first resource to a streaming server, if it is determined that the first resource is absent from the cache; means for receiving, from the streaming server, the block including the first resource and at least one predicted block used in execution of the stream-enabled application, the at least one predicted block determined based on a probability that the at least one predicted block will be requested in execution of the stream-enabled application, a number of blocks included in the at least one predicted block based on a data window size, wherein the probability that the at least one predicted block in being requested is based on whether the at least one predicted block is requested by the stream-enabled application when an error condition occurs in executing the stream-enabled application at the streaming playback device; means for storing the block including the first resource and the at least one predicted, block in the cache, if it is determined that the first resource is absent from the cache; means for using the block including the first resource to continue execution of the stream-enabled application.
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Specification