Questions on "The Internet of Everything: Relevant and Valuable Connections Will Chang..."

Question for "The Internet of Everything"

How internet of everything talk to each other?
Wi-Fi, LAN, Mobile Network(3G, 4G,..), home network

Local network or Internet? May be people want just local network, not to be access by internet
ipv6 should provide enough end-point, private cloud or public cloud, and hybrid cloud

What is the protocol between them?
The transportation should be TCP/IP, HTTP, or HTTPS


What is the ways for service discovery, Services definition?
"Hi, I am a washing machine, I am run out of powder...?