Research Article

Interoperability Structure of Smart Water Conservancy Based on Internet of Things

Table 2

IoT communication protocol stack of smart WCO terminal.

Network layerProtocol stack

ApplicationSmart WCO terminal interconnection standard
TransportTCP/UDP
NetworkIPv4/IPv6
Data linkIEEE802.3/IEEE802.11, DLL protocol/RTU frame, CAN, CTDMA/cc-link/EtherCAT/EPA, etc.
PhysicalWired: twisted pair, optical cable, ordinary cable, coaxial cable, power line, etc.
Wireless: ZigBee, WIFI, RFID, etc.