http://stormwdumgah7rpl6fdj4yhrl2i2a7j3bkzyjcv5qxk3a6253n22thyd.onion/blog/port-striping-v2
We did, but we ran into the same issue as with adding ECC. We needed to either buy twice as many IPs, or set aside some ports for port forwarding. Again, the latter seemed like the best way, so we reserved ports 30000 through 65535 for port forwarding.