Electrical computers and digital processing systems: multicomput – Computer conferencing – Demand based messaging
Reexamination Certificate
2006-07-18
2006-07-18
Dinh, Khanh Quang (Department: 2151)
Electrical computers and digital processing systems: multicomput
Computer conferencing
Demand based messaging
C709S220000, C707S793000, C705S014270
Reexamination Certificate
active
07080123
ABSTRACT:
The system for preventing unnecessary message duplication in electronic mail forms a message digest of each message received. The message digest is then compared with stored message digests from previous messages to determine if there is a match. If there is a match, this means that the first and second messages are the same, and so the second message is discarded. If, on the other hand, there is no match, then the second message processed because it is assumed that it is a message that is a non-redundant message. The list of stored message digests is culled based on some predetermined criteria to ensure that it does not grow indefinitely.
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Dinh Khanh Quang
Martine & Penilla & Gencarella LLP
Sun Microsystems Inc.
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