Blue Coat Systems, Inc.

George O Lorch, Iii

Dinesh Sinha

Chitra Ramaswamy

In a particular implementation, providing a virtual cached network drive, on a client, for PST-type (Personal STore) file operations, during a non-optimal connection. In one implementation, during the non-optimal connection, changes to objects, in a local PST file, are saved in a local cache (the virtual network drive) and logged. At certain intervals, the changes are compiled, compared with entries in a synchronization database and a list of changes, to be performed on the objects, is generated which is used to update a remote PST. If the connection remains non-optimal, a temporary PST file is created, based on the list of changes, and transferred to a remote agent that performs the changes on the remote PST. If the connection improves, the changes are instead performed directly on the remote PST.

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Gilbert, AZ, United States of America

George O Lorch, Iii