I spent the last few weeks blogging about the brave new overlay worlds. Time to return to VLAN-based physical reality and revisit one of the challenges of VM mobility: mobile IP addresses.
A while ago I speculated that you might solve inter-subnet VM mobility with Mobile ARP. While Mobile ARP isn’t the best idea ever invented it just might work reasonably well for environments with dozens (not millions) of virtual servers.
We migrated our blog a few days ago, and the commenting functionality is not there yet. In the meantime please find our content on LinkedIn and comment there.