[ace-users] question about SSL communication and TCP communication

[Douglas C. Schmidt]

Hi Richard,

To ensure that we have proper version/platform/compiler information,
please make sure you fill out the appropriate problem report form (PRF),
which is in

$ACE_ROOT/PROBLEM-REPORT-FORM
$TAO_ROOT/PROBLEM-REPORT-FORM

or in

$ACE_ROOT/BUG-REPORT-FORM
$TAO_ROOT/BUG-REPORT-FORM

in older versions of ACE+TAO.  Make sure to include this information
when asking any questions about ACE+TAO since otherwise we have to
"guess" what version/platform/compiler/options you've using, which is
very error-prone and slows down our responsiveness.  If you don't use
the PRF, therefore, it is less likely that someone from the core
ACE+TAO developer team will be able to answer your question.
Naturally, we encourage and appreciate other members of the ACE+TAO
user community who can respond to questions that they have the answers
to.

Thanks,

        Doug

> I am doing Client/Server network progarmming  by using ACE. Between Client and Server, I tried two kinds of connections,
> one connection is TCP connection and another one is SSL connection. through testing, I found TCP connection is much faster
> than SSL connection. For example, when I send some data by TCP connection, it will take 17s. however when I send same data
> by SSL connection. it will take 79s. I know SSL connection should be slower than TCP connection. do you think it should be
> so slow? what I did is as following:
>  
> if (SSLConnection) //ssl connection
> {
>       send_cnt = this->peer ().sendv_n (iov, 2);
> }
> else //TCP connnection
> {
>       send_cnt = this->peer ().peer().sendv_n(iov, 2);
> }
>  
> all code is same except for the above parts.
>  
> thank you very much for your comments and suggestion in advance.
>  
> Richard
> 
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