You seem not to be aware that thread is a networking protocol, not an application protocol. Are you perhaps thinking of weave? Edit: also, homekit uses either

You seem not to be aware that thread is a networking protocol, not an application protocol. Are you perhaps thinking of weave? Edit: also, homekit uses either IP (usually WiFi) or Bluetooth LE. It's very different than thread. https://nest.com/weave/ https://nest.com/weave/