Method and system for delivering data from a server object to a client object using a non-proprietary data transfer protocol
First Claim
Patent Images
1. In a computerized system, a method for serving, to a client, video data objects from a plurality of video data objects, the method comprising:
- providing a uniform resource locator that is aliased to a servlet so that when the uniform resource locator is accessed, the servlet is invoked;
receiving, from the client, a first call to the uniform resource locator;
upon receipt of the first call, invoking the servlet to select a first video data object from the plurality of video data objects;
returning the selected first video data object to the client;
receiving, from the client, a second call to the uniform resource locator;
upon receipt of the second call, invoking the servlet to select a second video data object from the plurality of video data objects, the second video data object being ordered after the first video data object of the plurality of data objects; and
returning the selected second video data object to the client.
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Abstract
The present invention is method and system capable of delivering video across the Internet using the hypertext transfer protocol. Client objects periodically request to view a uniform resource locator that is aliased to a servlet. For each request, the servlet retrieves and delivers a video image to the requesting client object. The invention can simultaneously deliver images to a variety of client objects, regardless of whether they are requesting the images at the same rate.
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Citations
16 Claims
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1. In a computerized system, a method for serving, to a client, video data objects from a plurality of video data objects, the method comprising:
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providing a uniform resource locator that is aliased to a servlet so that when the uniform resource locator is accessed, the servlet is invoked;
receiving, from the client, a first call to the uniform resource locator;
upon receipt of the first call, invoking the servlet to select a first video data object from the plurality of video data objects;
returning the selected first video data object to the client;
receiving, from the client, a second call to the uniform resource locator;
upon receipt of the second call, invoking the servlet to select a second video data object from the plurality of video data objects, the second video data object being ordered after the first video data object of the plurality of data objects; and
returning the selected second video data object to the client. - View Dependent Claims (2, 3, 4, 5, 6, 7)
providing for the client to select a rate at which the client calls the uniform resource locator; and
providing for a data collection thread that retrieves the plurality of video data objects from a data source at a rate that is independently selected from the rate at which the client calls the uniform resource locator.
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3. The method of claim 2, further comprising:
providing for an independent selection of a rate at which the selected first and second video data objects are returned to the client, this rate being independent from both the rate at which the client calls the uniform resource locator and the rate that the data collection thread retrieves the plurality of video data objects from the data source.
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4. The method of claim 1 wherein the video data objects are of a format capable of being delivered using the hypertext transfer protocol.
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5. The method of claim 1, further comprising:
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retrieving the first video data object from a data source;
storing the retrieved first video data object in a random access memory;
retrieving the second video data object from the data source;
storing the retrieved second video data object in the random access memory; and
after storing the first and the second video data objects in the random access memory, receiving the first call from the client.
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6. The method of claim 5, further comprising:
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providing for the client to select a rate at which the client calls the uniform resource locator; and
providing for a data collection thread that retrieves the plurality of video data objects from a data source at a rate that is independently selected from the rate at which the client calls the uniform resource locator.
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7. The method of claim 1 wherein a non-proprietary data transfer protocol is used to return the selected first and second video data objects to the client.
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8. A computerized system for serving data objects to a client, the system comprising:
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means for providing a location indicator that is aliased to a servlet so that when the location indicator is accessed, the servlet is invoked;
means for receiving, from the client, a first call to the location indicator;
upon receipt of the first call, means for invoking the servlet to select a first data object;
means for returning the selected first data object to the client;
means for receiving, from the client, a second call to the location indicator;
upon receipt of the second call, means for invoking the servlet to select a second data object, the second data object being ordered, after the first data object from among a plurality of data objects; and
means for returning the selected second data object to the client. - View Dependent Claims (9, 10, 11, 12, 13, 14, 15, 16)
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Specification