I forgot some stuff ..

[Mr Self Destruct]

On Wed, 09 Jun 2004 00:06:37 +0200, Mr Self Destruct wrote:

I forgot some important things :

I'm using the MIT sources, compiled with the option not to install
kerberos 4.

2) I'm using the kerberos ftp deamon for my benchmark on kftp (not proftpd)
 
> Hello,
> 
> I'm currently writing benchmarks to compare the speed of ftp vs kftp. I
> have three computers on a 100 mb/s LAN. One is the kdc, one is a client,
> the third is the ftp server. All computers are running on Debian 3.
> 1) The benchmark for ftp is based on the command "time". I'm timing the
> whole process of logging till bye is typed. All is made with automatic
> Perl scripts even the ftp commands typing. The server uses the proftp
> deamon. 
> 2) I'm using the same process for kftp. I do the kinit before
> timing. 
> 
> I have a sample of files of different size. Each file is downloaded ten
> times, then I only keep the mean of the time transfer.
> 
> Here are the results in seconds :
>  	FTP				
> 16  bytes      0.0404
> 128 bytes      0.04054
>   1 KB         0.040154
>   8 KB         0.0412154
>  64 KB         0.05382154
> 512 KB         0.119682154
>   4 MB         1.5084682154
>  32 MB        11.86024682154
> 256 MB       148.321224682154
>   2 GB      1197.84332246822
> 
> 	KFTP
>  16 B          0.0277
> 128 B          0.03217
>   1 KB         0.032817
>   8 KB         0.0318817
>  64 KB         0.03598817
> 512 KB         0.084298817
>   4 MB         0.5235298817
>  32 MB        11.27425298817
> 256 MB       142.527725298817
>   2 GB      1153.79037252988
> 
> As you can see, the transfer time looks slightly better with kftp, 
> a fact that I find hard to believe because there's more data transfer due
> to the TGS request and replies and the session key transfer between
> client and server.
> 
> As someone any explaination or hints for me ??
> 
> Thank you !!
> 
> Mr Self Destruct