[Olsr-users] High-level questions about encryption on OLSR ad-hoc mesh

[Henning Rogge]

On Tuesday 22 March 2011 14:02:28 L. Aaron Kaplan wrote:
> On Mar 22, 2011, at 8:16 AM, Ben West wrote:
> > Hi All,
> > 
> > In lieu of discussion about diminishing returns for enabling whatever
> > limited encryption is supported for adhoc/mesh modes, I'm curious if
> > anyone on the list has good experience using OpenVPN with OpenWRT
> > meshes?
> > 
> >  I'm curious about the prospect of just setting up VPN tunnels thru the
> >  unencrypted mesh as needed, but I would be wary of placing undue load
> >  on any embedded CPU, whether in the access point or in a downstream
> >  router.
> 
> As you already mentioned, encrypting and decrypting all the traffic on
> small embedded devices can be quite CPU hungry. OpenVPN is great, but it
> has one additional minor drawback: all traffic goes to userspace and back.
In theory IPsec could be used for this without this drawback. In practice its 
more difficult to setup.

Henning Rogge
-- 
1) You can't win.
2) You can't break even.
3) You can't leave the game.
— The Laws of Thermodynamics, summarized
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