Amit Chopra wrote:
>
> Hi,
> I'm looking to buy an encrytion accelerator to speed up my web
> server.
> Almost all manufacturers claim that their hardware can handle
> 50/60/100/200/600 connections per second (cps).
> I'm not sure what they mean by connections per second. Are they
> reffering to the SSL handshake or just the RSA part of the handshake?
They only mean RSA part of handshake, not considering the complete SSL
handshake.
> Do they also do the symmetric key calculations during data transfer?
> Is cps directly related to speed?
> What i understand is that they can handle 200 new transactions every
> second if they are rated for 200 cps. But what these transactions
> actually are is ambiguous to me.
> These cards sit behind the web server, so it is the web server that
These cards comes with patches for different web servers. Server accepts
the
client connections and off-loads the RSA key computations to the card.
> actually accepts client connections. The manufacturers say that a client
> must not go away becuase of delay in connecting and their cards avoid
> this. The important question here is when does the client feel he is
> connected to the site?? when the web server has accepted the connection
> or when the handshake has finished ?
>
> Thanks,
> Amit.
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