# 物联网设备接入

### **设备多协议接入**

支持提供多种协议接入，例如MQTT、CoAP、HTTP、OPC-UA等，这样既能满足设备需要长连接保证实时性的需求，也能满足设备需要短连接降低功耗的需求。

###  **设备接入认证**

提供一机一密的设备认证机制，降低设备被攻破的安全风险，密钥的算法类型支持Access token和X509Certificates可配。

###  **安全传输**

支持MQTT(SSL)和HTTP(S)，支持单向和双向SSL标准的数据传输通道，保证数据的机密性和完整性。

### **双向通信**

提供设备与IOT云端的上下行通道，能够稳定可靠的支撑设备上报与指令下发设备的场景。

### **速率控制**

黑/白名配置，针对同一台设备秒极流控。


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