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Definition, efficacy and principle of IoT gateway

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What is meant by IoT gateway?

IoT gateways are physics-based facilities or mobile software programmable controllers, sensors and smart products that function as a connection between the cloud and machine devices. All the data moved in the middle of IoT devices and cloud are according to IoT gateway which can be specialized hardware configuration or software system. IoT gateways can also be called intelligent gateways or manipulation layers.

What is the role of IoT gateway?

IoT gateways act as network routers, routing data between IoT devices cat 16 speed and the cloud. Initially, most gateway devices pushed traffic to only one direction: from the IoT device to the cloud. Today, it is common for gateway devices to address both inbound and outbound traffic. Outbound traffic is used to send IoT technology data to the cloud space, while inbound traffic is used for daily tasks of device maintenance, such as upgrading machine equipment fixtures.

Some IoT gateways are more than just router traffic. Sometimes gateway devices can be used to prepare data locally at the edge and then send it to the cloud. When doing so, the machine device may delete recurring data, summarize or aggregate data to reduce the amount of data that must be shared to the cloud. This can be very detrimental to response times and data transfer costs.

Another benefit of an IoT gateway is that it can give an additional security factor to the IoT network as well as the data being transmitted. Although they have improved, IoT devices are often found to be unreliable.

How do IoT gateways work?

A simple IoT gateway acts like a Wi-Fi wireless router. The IoT system applies a Wi-Fi connection to connect to the gateway, which then routers the IoT device data to the cloud space. However, IoT gateways are usually much more complicated.

One factor that makes IoT gateways typically more cumbersome than Wi-Fi routers is that IoT devices apply several different protocols. Some of these protocols include Z-Wave, BACnet, Bluetooth Low Power, and Zigbee, so IoT gateways are likely to have to apply a variety of protocols to give service items to all the IoT devices in an organization.

In addition to applying such protocols, gateways need to be able to route each category of IoT technology traffic to the appropriate endpoint. Data originating from the combination of industrial sensors will likely have to be sent to a database in the AWS cloud, while data originating from building security sensors will likely have to be located to a SaaS reseller operating a security portal based on the cloud.

Another factor that makes IoT gateways likely to be more cumbersome than Wi-Fi routers is that IoT gateways are likely to have to cache file data locally to prevent Internet technology from terminating or the gateway from being pervaded by more data than it can handle.

On top of that, IoT gateways are often suitable for common failover clusters or horizontal expansion to accommodate increasingly large workloads.


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