System and method for the distribution and synchronization of data and state information between clients in a distributed processing system
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United States of America Patent
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Nov 16, 1999
Grant Date -
N/A
app pub date -
Jul 16, 1997
filing date -
Jul 16, 1997
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Abstract
The present invention is directed to a novel system and method for sharing common data and state information between network connected application clients participating in an application session. The application session is invoked by a host client. The host client is responsible for selectively admitting other network connected clients into the application session, and is also the application client that is responsible for distributing a common set of application data for storage at each admitted application client. The application data includes a unique identifier, assigned by the host client, for each application client in the application session. In the event that an application client effects a change to the application data, that change is communicated to each of the other application clients in the session. In this way, each client is always operating on a common set of application data. When a new client is admitted into an application session, application data is forwarded to it in a manner so that the new client receives data that is synchronized with the data possessed by every other application client in the session. A method for migrating host client duties to another application client is also disclosed.
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- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
- MICROSOFT TECHNOLOGY LICENSING, LLC
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Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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Cohen, Andrew R | Steamboat Springs, CO | 3 | 655 |
Olson, Kipley J | Seattle, WA | 41 | 2112 |
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Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
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