The best replacement for vxlan is otv.

The best alternatives to vxlan are rated as following:
★★★★★  otv
★★★★  nvgre
★★★★  gre
★★★  vlan
★★★  fabricpath
★★★  stt
★★  trill
★★  openflow
★  sdn
  vcd-ni

Your alternative for vxlan is not listed? Suggest!
Speaking about vxlan, one probably shouldn't forget about vcloud.

Other search terms related to vxlan and their ratings are:
★★★★★ vcloud
You have in mind a companion for vxlan and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of vxlan in all years. Click on graph for more.
vxlan
otv
nvgre