Date:2021-11-30 11:33:15

Message Queuing Telemetry Transport (MQTT) Industrial Router Introduction

Message Queuing Telemetry Transport (MQTT) industrial router not only supports 5G/4G/3G but also is downward compatible with EDGE, CDMA 1X, and GPRS networks. It also supports MQTT and multiple protocols (IPSEC, PPTP, L2TP, etc.) to ensure the security of data transmission, RS232 (optional RS485) and Ethernet interfaces, I/O interfaces (optional), and Wi-Fi capabilities. So, what is an Message Queuing Telemetry Transport (MQTT) industrial router? Let's take a look.
Message Queuing Telemetry Transport
Message Queuing Telemetry Transport Protocol (MQTT) is a lightweight proxy publish/subscribe messaging protocol running on the TCP stack. And to provide an orderly, reliable, two-way network connection.
The Message Queuing Telemetry Transport (MQTT) protocol is designed for remote sensor and control device communication with a large amount of limited computing power operating on low bandwidth and unreliable networks.
Industrial Router
The Features of Message Queuing Telemetry Transport (MQTT) Industrial Router
Provide one-to-many messaging publishing and decoupling applications using publish/subscribe messaging patterns.
There are three types of message publishing quality of service
1. "Once at most", the dissemination of messages depends entirely on the underlying TCP/IP network. Message loss or duplication may occur. This level can be used in the following situations: environmental sensor data, loss of a reading record does not matter because a second transfer will occur shortly.
2. "At least once" to ensure that messages receive, but message duplication may occur.
3. "Only once" ensures that the message arrives once. This level can be used in cases where duplicate or missing messages result in incorrect results in a billing system.
Small data transmission (The fixed-length header is 2 bytes) and minimized protocol switching to reduce network traffic.
Message transmission of shields payload content.
Provides a network connection using TCP/IP.
Mechanisms for notifying related parties of client abnormal outages using the Last Will and Testament features.

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