Re: [Openvpn-users] UDP Tunnel and Reliabiliy

2018-08-08 Thread Gert Doering
Hi, On Tue, Aug 07, 2018 at 05:55:30PM -0400, Sina Rabbani wrote: > If true, does that make UDP OpenVPN tunnel unreliable? That depends on what you mean by "unreliable". What Gregory already said: IP transport is by nature "unreliable", so upper layer protocols have learnt to deal with it -

Re: [Openvpn-users] UDP Tunnel and Reliabiliy

2018-08-07 Thread Gregory Sloop
The short answer is: If the traffic going "inside" the tunnel is UDP based, it's already built to handle packet loss. If the traffic going "inside" the tunnel is TCP based, it's going to be handled by the TCP connection that's encapsulated by the tunnel. [i.e. The TCP connection will

[Openvpn-users] UDP Tunnel and Reliabiliy

2018-08-07 Thread Sina Rabbani
Hi, How does OpenVPN handle UDP's unreliability? If I read this correctly, "control channel messages" and not the "data channel" are using the reliability layer: https://github.com/OpenVPN/openvpn/blob/master/doc/doxygen/doc_reliable.h#L40 If true, does that make UDP OpenVPN tunnel unreliable?