[Tux3] Patch : Data Deduplication in Userspace

OGAWA Hirofumi hirofumi at mail.parknet.co.jp
Wed Feb 25 01:38:12 PST 2009

OGAWA Hirofumi <hirofumi at mail.parknet.co.jp> writes:

> OGAWA Hirofumi <hirofumi at mail.parknet.co.jp> writes:
>> In kernel, crypto subsystem has sha1 (and some other hashes). And
>> some systems can use hardware for it (and IIRC, it can calc the hash
>> asynchronously, if you want). And the algorithms would be selectable
>> without changing interface for it. So, crypto stuff may be good one.
> BTW, IIRC, asynchronous stuff on hardware was the good optimization when
> I was playing with IPSEC.

Forgot to mention. When I was playing with IPSEC, there was no crypto
subsystem though.
OGAWA Hirofumi <hirofumi at mail.parknet.co.jp>

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