> You can't reduce that overhead when making a connection. 4 roundtrips
this is only to bring the DHT protocol up front, only *then* that DHT query can be made

> However, there needs to be some extra overhead built into the libp2p protocol to handle packet drops and other problems that may come up with using UDP.
i dont know much about this, but i'd refer to QUIC for this

> I would say if a router crashes from syn/connection floods it's not a good router.
that's what im saying; ISP-provided routers, unfortunately the world would have to live with that as there isnt an easy solution on the customer side, its the ISPs fault for giving customers underpowered routers