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List:       wireguard
Subject:    DHT suggestion (was: Both peers behind NAT?)
From:       "Rene 'Renne' Bartsch, B.Sc. Informatics" <ml () bartschnet ! de>
Date:       2018-12-18 0:14:32
Message-ID: ec1c95c3-fb40-8b60-a890-ea3d6fff316e () bartschnet ! de
[Download RAW message or body]

I suggest to extend the roaming messages after the following scheme:

<public key>:<64-bit linux timestamp>:<128-bit current IPv4|IPv6 address>:<16-bit \
current UDP port>:<signature>

When peerA gets a new address or port it sends a roaming message to directly \
connected peers B, C, D which store the roaming packet of peerA in their DHT table. \
When peerE which is connected to peerB and peerC wants to contact peerA it sends a \
query to the other peers (B, C). If they can't reply with a current roaming package, \
they forward the query to peerD. PeerE receives roaming packages for peerA from other \
peers, validates the signature and uses the IP address and UDP port of the most \
current received roaming message to contact peerA.

This way users/admins/operators only need to know the public key of peering partners \
and do not have to know IP addresses or UDP ports or fiddle around with annoying \
DynDNS configurations or DynDNS-services.

Best regards,

Renne


Am 29.11.18 um 09:00 schrieb Rene 'Renne' Bartsch, B.Sc. Informatics:
> Hi,
> 
> I'm new to the list, so a "Hello" to all! :-)
> 
> Are there any plans to implement a DHT-based solution for IP-address/port \
> provisioning like https://github.com/manuels/wireguard-p2p? In case of static \
> IP-addresses configuration is also simplified as you don't have to fiddle around \
> with IP-addresses. If peers announce their subnets via DHT, it would allow to set \
> up overlay networks easily. 
> Regards,
> 
> Renne
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