On 27 Feb 2015, at 09:53, Sebastian Damm <damm@sipgate.de> wrote:

Actually, it's the latter. Our current high availability setup reilies on anycast. And with TCP, this would mean a huge change in our setup.

That is in fact an interesting topic. Can you please elaborate a bit more on this as I would like to see what we can

do in the software to make things easier.

I had a similar discussion a while ago and it seems like failover handling is easier in UDP and we will need to fix this in order to be able to migrate more users to TLS.

I haven't tested how different clients behave in regards of TCP if the server close a connection.