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Distributed data system with incremental data updates

  • US 8,001,142 B2
  • Filed: 04/02/2003
  • Issued: 08/16/2011
  • Est. Priority Date: 04/02/2003
  • Status: Active Grant
First Claim
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1. A distributed data system, comprising:

  • a client; and

    a distributed data manager coupled to the client, wherein the distributed data manager includes a plurality of data-type-specific data managers and a data store configured to store a data object that includes a plurality of sub-elements;

    wherein the client is configured to update a portion of the data object by sending a message to the distributed data manager, wherein the message specifies one of the plurality of sub-elements of the data object to be updated and includes a new value of the one of the plurality of sub-elements but does not include a new value of the entire data object;

    wherein the distributed data manager is configured to select one of the plurality of data-type-specific data managers to handle the message dependent on a data-type of the one of the plurality of sub-elements;

    wherein the selected one of the plurality of data-type-specific data managers is configured to perform updates to the data object in the data store dependent on which of the plurality of sub-elements of the data object is specified by the client;

    wherein the client is configured to encode a URL (Uniform Resource Locator) in the message, and wherein the distributed data manager is configured to use information included in the URL to select one of the plurality of data-type-specific data managers to handle the message; and

    wherein the URL includes a data manager identifier, a session identifier, and a unique data key.

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