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Client-based caching of remote files

  • US 8,868,606 B2
  • Filed: 05/21/2013
  • Issued: 10/21/2014
  • Est. Priority Date: 01/15/2009
  • Status: Active Grant
First Claim
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1. A computer-implemented method for controlling a client to handle a break notification from a server, the method comprising:

  • transmitting a lease request over a network that connects one or more clients and servers, wherein the lease request includes a lease identifier provided by a client when the client opened a remote file managed by the server and accessible by other clients;

    receiving a lease response over the network, wherein the lease response includes information from the remote file managed by the server;

    caching data at the client based upon the information received from the server;

    receiving the break notification from the server;

    in response to receiving the break notification, flushing cached data and sending an acknowledgement request to the server that indicates that the client has handled the break and requests a new scope of access to the remote file based on application requests on the client; and

    receiving an acknowledgement response from the server that indicates whether the server granted the new scope of access to the remote file.

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