Distributing and synchronizing objects

Details Distributing and synchronizing objects Distributing and synchronizing objects

2011-05-10

2011-05-10

Deng, Anna (Department: 2191)

Data processing: software development, installation, and managem

Software upgrading or updating

Reexamination Certificate

active

07941796

ABSTRACT:
A method and apparatus for distributing and synchronizing objects. One or more embodiments of the invention provide for distributing copies of the objects locally. By copying objects (including the data and behavior for the object) into local address space, the object's methods may be executed locally thereby avoiding excessive network traffic. The state of the various object copies across a network may not be synchronized due to local changes and modifications. To synchronize the objects, one or more embodiments of the invention provide for the use of a policy that specifies conditions as to when objects are synchronized. Embodiments of the invention provide flexibility in setting the policy to accommodate varying applications. For example, a policy may provide for synchronization that is based temporally (e.g., every 10 minutes or daily at 10:00 P.M.). Alternatively, a policy may provide for synchronization based on the type or number of messages transmitted. In one or more embodiments, a default policy may be utilized that provides for the synchronization of local objects whenever a client issues a request from the remote server. In such an embodiment, the remote server transmits any updated object information when it responds to the local object request. The updated object information may be utilized to synchronize the objects.

REFERENCES:
patent: 6125369 (2000-09-01), Wu et al.
patent: 6324693 (2001-11-01), Brodersen et al.
patent: 6449764 (2002-09-01), Sliger et al.
patent: 6640335 (2003-10-01), Ebisawa
patent: 7127701 (2006-10-01), Fables et al.

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