update README

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tomoaki
2020-02-18 12:56:00 +09:00
parent 1b08591fad
commit c37d9334d4

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**MQTT-SN** requires a MQTT-SN Gateway which acts as a protocol converter to convert **MQTT-SN messages to MQTT messages**. MQTT-SN client over SensorNetwork can not communicate directly with MQTT broker(TCP/IP).
This Gateway can run as a transparent or aggrigating Gateway by specifying the gateway.conf.
The Transparent Gateway can not receive PUBLISH message from the broker at this version.
The Aggregating Gateway can not receive PUBLISH message from the broker at this version.
### **step1. Build the gateway**
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