Hi JJK, Thanks a lot for quick responds. your answer really helped me.
Regards Raj ________________________________ From: Jan Just Keijser <janj...@nikhef.nl> To: Raj Kumar <raj_kumar...@yahoo.com> Cc: "openvpn-devel@lists.sourceforge.net" <openvpn-devel@lists.sourceforge.net> Sent: Thursday, May 10, 2012 2:17 PM Subject: Re: [Openvpn-devel] openvpn question Hi Raj, Raj Kumar wrote: > > Hi all, > > I am new to openvpn. I am using openvpn on my linux machine. > > I have a basic question about openvpn. > How openvpn process the incoming packets ? > > Is it processing incoming packets one by one, means receive one packet from > the kernel, decrypt it and send it back to the kernel then next packet ? > or > whenever a packet comes, openvpn receives and queues it while doing > decryption of already received packet ? > > openvpn processes the incoming packets one by one , both from the VPN side (the encrypted packets) , and the packets coming in via the tun/tap interface. This is one of the main reasons why openvpn speeds top off at around ~ 300 Mbps. HTH, JJK
