Alexey Eromenko wrote: >> Yes, if they move simultaneously, they will get minutes of delay (due >> to DynDNS update), and the TCP session will break. > > BTW - delay can be reduced by using blockchain technologies - e.g. > Ethereum, (being Bitcoin 2.0 platform) -- it has only 15 seconds of > delay. Perhaps even few seconds. (for unconfirmed transactions) > > Ethereum is even more secure than Secure Dynamic DNS, because old > transactions / bindings are world-visible. > > It will work, but requires small amount of money to change IP > addresses (i.e. small amount of Ethereum on every mobile server or > mobile node), and implement Ethereum protocol on mobile nodes. > Also this approach is a *very* innovative and non-traditional one. Good luck. Masataka Ohta