System and method for progressive and hierarchical caching

Details System and method for progressive and hierarchical caching System and method for progressive and hierarchical caching

2007-06-05

2007-06-05

Song, Jasmine (Department: 2188)

Electrical computers and digital processing systems: memory

Storage accessing and control

Hierarchical memories

C709S217000, C709S220000, C709S248000

Reexamination Certificate

active

09872753

ABSTRACT:
A system and method that allows a user to update the contents of a portable electronic mail account to correspond with the contents of a user's regular electronic mail account, where only discrete portions of the regular electronic mail account are progressively cached in the portable electronic mail account according to a hierarchy with each update operation. By updating only a portion of the regular electronic mail account with each update operation, the service provider can minimize the amount of memory storage and communication expense necessary to maintain the portable electronic mail account, while still permitting the user to access the information important to the user.

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patent: 020000014 (2000-01-01), None
M.C. Chan et al. “Application of Compaction Technique to Optimizing Wireless Email Transfer,” IEEE Wireless Communications and Networking Conference 1999, p. 1535 Section A.
M. Crispin “Internet Message Access Protocol—Version 4 rev1,” 1996 Section 2.3.1.1.

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