Thanks Sven,

but as you mentioned firewalls might be the challenge,

but is that really a miracle ( though it's for me :) ?

Some weeks ago Stef was asking a P2P question and
 'http://www.squeaksource.com/DGV' turned out to have a solution.

But I didn't have the time up to now to check that is detail,
still hoping that this point might be solved by a more up-to-date approach.

It seems that I have to study DGV ...

Cheers

Johannes

Am 27.10.2011 um 09:55 schrieb Sven Van Caekenberghe:

Johannes,

On 27 Oct 2011, at 09:45, Johannes Rasche wrote:

I'm planning to use Zinc

and have a question, which might sound trivial for networking experts:

is it sufficient for Zn-Server to work
if someone using Zn-Client knows my actual IP-adr (plus username and pw)?

Yes, that is enough: when an HTTP client knows an HTTP server (and the network is there) they can talk to each other, that includes ZnClient and ZnServer.

The challenge with P2P is exactly that: how will parties discover each other and will they actually be able to talk to each other at the network level (firewalls, ISP restrictions, etc..).

As always, http://en.wikipedia.org/wiki/Peer-to-peer is a good place to start.

HTH,

Sven