For those of us too lazy to set up port forwardings, Tixati support uPNP.  However, uPNP is being phased out in favour of NAT-PMP [1] and its successor PCP [2].

Please implement NAT-PMP and PCP in Tixati.  NAT-PMP is already widely deployed, and PCP is slowly starting to appear.

[1] https://tools.ietf.org/html/rfc6886
[2] https://tools.ietf.org/html/rfc6887