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Enterprise Security Magazine | Monday, July 12, 2021
There are thousands of IoT applications available today, as well as numerous IoT connectivity technologies.
FREMONT, CA: From streamlining business processes through smart monitoring to designing advanced systems of interconnected devices to achieve an application design, the Internet of Things has infiltrated nearly every nook and cranny of business and technology. One of the most frequent concerns of those new to IoT is determining which IoT connectivity technology is best suited for the applications. Selecting the optimal connectivity option for IoT devices is not as difficult as it may appear. Consider some of the most prevalent connectivity options for IoT-enabled devices.
Ethernet
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Ethernet is another widely used IoT connectivity technology due to its ease of implementation, low cost, and high bandwidth. Ethernet is ideal when users require a continuous hard-line connection to their devices. Of course, it's critical to have the physical infrastructure in place to connect devices; otherwise, they look at alternate connectivity options.
Another significant factor to consider is the insecure nature of data transmitted over ethernet. Unless users take specific steps to encrypt their messages when using ethernet, their data and device management actions are vulnerable to attack from other equipment on the same network. Additionally, ethernet may be a viable option if users are deploying equipment to a new construction site. Even so, if their IoT solution is a retrofit, the in-house ethernet link is very likely to be restricted by local networking policies.
Wi-Fi
Again, Wi-Fi extends the benefits of Ethernet points and enables users to install their device in the locations where it is required without routing cables to a network switch. However, data is encrypted as it travels from the device to the Wi-Fi access point. Unless users add their own IoT system encryption, it is sent in the clear over the access point's internet connection. Users consider the onboarding of credentials required to connect devices to the Wi-Fi network and the resilience of their entire system to connectivity outages caused by insufficient bandwidth in congested Wi-Fi areas or interference from other equipment working in the same place. If a device is used in a consumer or enterprise environment, Wi-Fi may be the best option to consider the power requirements.
Bluetooth
Bluetooth is a popular choice for low-power connected devices – typically battery-powered wearables with a limited connection duration that lasts only as long as the device is in use. Bluetooth range is generally limited to 3-5 meters, necessitating a secondary device to connect the data to an internet connection. While Bluetooth is frequently bridged via mobile devices, dedicated gateways are also popular in fixed applications such as home health monitoring.
Zigbee
Another IoT connectivity technology that's frequently found in domestic products is Zigbee. Zigbee requires a bridge to pass device data to the internet. Zigbee offers a more excellent range and greater power consumption, making it a valuable option for innovative home products like light bulbs and ceiling fans.
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