Would this allow you to mesh together containers in separate datacenters? Or mesh together, say, the containers on your home PC with containers in the cloud? I'm guessing not.<p>What I'm really excited for are the possibilities of docker containers with public-routable IPv6 addresses. It would move the world away from "one host: many services on different arbitrary ports", and back to the "one host: one service, possibly speaking a few protocols with ports being used for OSI-layer-5/6 protocol discovery" model of the 1970s (and eliminate the madness of SRV records, besides.)<p>Imagine if, say, bitcoind (which normally speaks "JSON-RPC" to clients -- a specific layer-6 encoding over HTTP) sat on "bitcoind.host:80" instead of "host:8332". Suddenly, it'd be immediately clear to protocol clients (e.g. web browsers) which hosts they could or couldn't speak to, based on the port alone! The whole redundancy between schema and port in URLs could go away: they'd be synonymous. And so on.