Category: Internet of Things
MQTT has a very simple publisher-subscriber design. Widely used in IoT systems, MQTT uses TCP and is a very lightweight protocol. It can help cater to a wide variety of use cases due to the simplicity of messages (connect/publish/disconnect) and the support for topics.
Here is a interesting comparison sheet that can help one choose the right technology based on the IoT system use case: # Technology Frequency Data Rate Range Power Usage Cost 1 2G/3G Cellular Bands 10 Mbps Several Miles 3-High 3-High 2 Bluetooth/BLE 2.4 GHz 1, 2, 3 Mbps ~ 300 feet 1-Low 1-Low 3 802.15.4 […]
It is interesting to see the voluminous data available everywhere, the world of devices and internet has made it very easy for a lot of people and organizations to access data in raw form, and with the advent of cloud computing the power of the internet as grown manyfold. However, it is important to note […]