Dual hash indexing system and methodology

Details Dual hash indexing system and methodology Dual hash indexing system and methodology

2011-07-12

2011-07-12

Verbrugge, Kevin (Department: 2189)

Electrical computers and digital processing systems: memory

Address formation

Hashing

C711S118000, C711SE12018, C370S395320

Reexamination Certificate

active

07979671

ABSTRACT:
A method, system and program are disclosed for accelerating data storage in a cache appliance that transparently monitors NFS and CIFS traffic between clients and NAS subsystems and caches files in a cache memory by using a dual hash technique to rapidly store and/or retrieve connection state information for cached connections in a plurality of index tables that are indexed by hashing network protocol address information with a pair of irreducible CRC hash algorithms to obtain an index to the memory location of the connection state information.

REFERENCES:
patent: 6201755 (2001-03-01), Pillar et al.
patent: 7177941 (2007-02-01), Biran et al.
patent: 7248585 (2007-07-01), Kohn et al.
patent: 2003/0081615 (2003-05-01), Kohn et al.

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