What is the Internet of Things?
The Internet of Things is a network of devices, vehicles, home appliances and other items which are all embedded with electronics, software, sensors, actuators and connectivity which allows all of these objects to connect and exchange data. Each object is identified though it’s embedded computing system and it is also able to inter-operate within the existing internet infrastructure.
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Benefits of IoT for Businesses
The benefits of the IoT for business depends on the particular implementation, but the key is that enterprises should have access to more data about their own products and their own internal systems, and a greater ability to make changes as a result. Manufacturers are adding sensors to the components of their products so that they can transmit back data about how they are performing. This can help companies so that they can transmit back data about how they are performing. This can help companies spot when a component is likely to fail and to swap it out before it causes damage. Companies can also use the data generated by these sensors to make their systems and their supply chains more efficient, because they will have much more accurate data about what’s really going on.
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Benefits of IoT for consumers
The IoT promises to make our environment: our homes, offices and vehicles smarter, more measurable and chattier. Smart speakers like Amazon’s Echo and Google Home make it easier to play music, set timers or get information. Home security systems make it easier to monitor what’s going on inside and outside, or to see ad talk to visitors. Meanwhile, smart thermostats can help us heat our homes before we arrive back, and smart light bulbs can make it look like were home even when we’re out.
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Internet of Things Security
Security is one of the biggest issues with the IoT. These sensors are collecting in many cases extremely sensitive data, what you say and do in your own home, for example. Keeping that secure is vital to consumer trust, but so far the IoT’s security track record had been extremely poor. Too may IoT devices give little thought to basics of security, like encrypting data in transit and at rest. Flaws in software, even old and well-used code are discovered on a regular basis, but many IoT devices lack the capability to be patched, which means they are permanently at risk. Hackers are now actively targeting IoT devices such as routers and webcams because their inherent lack of security makes them easy to compromise and roll up into giant botnets.
With all those sensors collecting data on everything you do, the IoT is a potentially vast privacy headache. Take the smart home: it can tell when you wake up (when the smart coffee machine is activated) and how well you brush your teeth (thanks to your smart toothbrush), what radio station you listen to (thanks to your smart speaker), what type of food you eat (thanks to your smart oven or fridge), what your children think (thanks to their smart toys), and who visits you and passes by your house (thanks to your smart doorbell).
What happens to that data is a vitally important privacy matter? Not all smart home companies build their business model around harvesting and selling your data, but some do. It's surprisingly easy to find out a lot about a person from a few different sensor readings. In one project, a researcher found that by analysing data charting just the home's energy consumption, carbon monoxide and carbon dioxide levels, temperature, and humidity throughout the day they could work out what someone was having for dinner.
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Internet of Things and The Cloud
The huge amount of data that IoT applications generate means that many companies will choose to do their data processing in the cloud rather than build huge amounts of in-house capacity. Cloud computing giants are already courting these companies: Microsoft has its Azure IoT suite, while Amazon Web Services provides a range of IoT services, as does Google Cloud.
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The IoT generates vast amounts of data: from sensors attached to machine parts or environment sensors, or the words we shout at our smart speakers. That means the IoT is a significant driver of big data projects because it allows companies to create vast data sets and analyse them. Giving a manufacturer vast amounts of data about how its components behave in real-world situations can help them to make improvements much more rapidly, while data culled from sensors around a city could help planners make traffic flow more efficiently. In particular, the IoT will deliver large amounts of real-time data. Cisco calculates that machine-to machine connections that support IoT applications will account for more than half of the total 27.1 billion devices and connections, and will account for five percent of global IP traffic by 2021.
IoT devices use a variety of methods to connect and share data: homes and offices will use standard Wi-Fi or Bluetooth Low Energy (or even Ethernet if they aren't especially mobile); other devices will use LTE or even satellite connections to communicate. However, the vast number of different options has already led some to argue that IoT communications standards need to be as accepted and interoperable as Wi-Fi is today. One likely trend is that, as the IoT develops, it could be that less data will be sent for processing in the cloud. To keep costs down, more processing could be done on-device with only the useful data sent back to the cloud, a strategy known as 'edge computing’.