4.4 How to choose API

• If you want to use platform in a traditional way, please using ProtocolLinker.

• If you want to send messages thinking on protocol, or device is very little, please using Utility.

• If you want to send messages thinking on same devices, or there are a lot of devices, please using Machine.

• If you want to control many communications at the same time asynchronously, please using MachineJobScheduler.