[zeromq-dev] Comment on ZRE spec flaw

[Pieter Hintjens]

On Sun, Feb 24, 2013 at 9:28 AM, Michael Haberler <mail17 at mah.priv.at> wrote:

> OSPF uses the neighbor lists for two purposes:
> - to build a tree of router adjacencies
> - to assure communication between neighbors is actually two-way
>
> I think the first purpose isnt terribly relevant for ZRE
> the second possibly could be useful to fight protocol autism ;)

We have the second problem on WiFi networks quite often, since UDP
broadcast packets are dropped quite aggressively.

The solution we use in ZRE is to put the endpoint information in the
HELLO command on new connections so a node can connect back to a peer
that it didn't discover via beacons.

-Pieter