vpn speed loss

Wojciech Puchar wojtek at wojtek.tensor.gdynia.pl
Fri Jun 1 09:58:04 UTC 2012

> vpn connexion.
> I have tried Openvpn and mpd5 (with a pptp and l2pt connexion) and the
> max speed (according to various speedtests) is 5 to 6MB.

5-6MB = megabytes per second? megabytes per hour? per year?
be more precise.

> Without the vpn I'm having 45-50 MB... My vpn service has servers in

do not expect high performance with VPN and ESPECIALLY on this protocols.

no idea really how openvpn works, but if you can choose between TCP based 
and UDP based VPN then try both.

UDP is better in protocol point of view but it may be bad for OS overhead.

TCP is better with OS overhead but may result in retransmit mess when 
there are packet loss (both native traffic is retransmitted and then 
virtual traffic)

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