Re: nat issue

[Pascal Hambourg <pascal.mail@plouf.fr.eu.org>]

Oleg a écrit :
> On Sat, Feb 05, 2011 at 12:57:16PM +0100, Pascal Hambourg wrote:
>> 
>> Another option may be to use a virtual network between virtual machines
>> instead of a bridge, so the host does not see the traffic between them.
>> I don't know whether KVM provides such option, otherwise VDE (vde2)
>> could be used instead.
> 
>   kvm support vde. I've tested it. It works well. But what about perfomance 
> and stability? Which of two (vde vs bridge&tap) is better?

I have no clue, not having used VDE yet. VDE being entirely userland
without the need to call the host's kernel networking stack, my first
guess would be that it may have less overhead. But that is just a guess.