Handover
martinthomson opened this issue · comments
Alternately, if the old server is going offline, the load balancer could simply map its server ID to the new server's address.
This only works if the cutover is immediate. "going offline" suggests something progressive, which means that this strategy only works if you suddenly start holding a bunch of state. There a lots of caveats here, to the point that I'd probably just drop this whole paragraph.