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Julian Anastasov wrote:
> My experience shows
> that the user-space model needs many threads just for private keys
private keys are kept in threads rather than in a table?
> to keep the accelerator busy
if there was only one thread, the accelerator would be a bottle neck
or it wouldn't work at all?
> and the rest
of the CPU time?
> is spent for CPU encryption
> and decryption of the data. I don't know if this is true
> for all cards. But even with accelerator, the using of SSL costs 3-4
> times more than just the plain HTTP.
3-4 times the number of CPU cycles?
> My opinion is that this game is
> useful only for cookie persistence. For other cases LVS can be used
> in directors and the accelerators on the real servers - LVS forwards
> TCP(:SSL:HTTP) at L4, the accel is used from user space as usually.
thanks Joe
--
Joseph Mack PhD, Senior Systems Engineer, SAIC contractor
to the National Environmental Supercomputer Center,
ph# 919-541-0007, RTP, NC, USA. mailto:mack.joseph@xxxxxxx
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