(Device) (NGW) (App) +--------+ +--------+ | CoAP | | CoAP | +--------+ +--------+ | UDP | | UDP | +--------+ +----------------+ +--------+ | IPv6 | | IPv6 | | IPv6 | +--------+ +--------+-------+ +--------+ | SCHC | | SCHC | | | | +--------+ +--------+ + + + | LPWAN | | LPWAN | | | | +--------+ +--------+-------+ +--------+ ((((LPWAN)))) ------ Internet ------