The internet of things is giant network of interconnected devices from these device are capable of making decisions without any human intervention.
The IOT describe the the network of physical object "Thing" that are embedded with sensors, software and other technologies for the purpose of connecting or exchanging data with other devices and over the internet. These devices range from ordinary household object to sophisticated industrial tools. With more than 7 billion connected IOT device today,expert ate are expecting this number to grow 10 billion by 2020 and 22 billion by 2025.
How IoT works
An IoT ecosystem consists of web-enabled smart devices that use embedded systems, such as processors, sensors and communication hardware, to collect, send and act on data they acquire from their environments. IoT devices share the sensor data they collect by connecting to an IoT gateway or other edge device where data is either sent to the cloud to be analyzed or analyzed locally. Sometimes, these devices communicate with other related devices and act on the information they get from one another. The devices do most of the work without human intervention, although people can interact with the devices -- for instance, to set them up, give them instructions or access the data.
The connectivity, networking and communication protocols used with these web-enabled devices largely depend on the specific IoT applications deployed.
IoT can also make use of artificial intelligence (AI) and machine learning to aid in making data collecting processes easier and more dynamic.
Why IoT is important ?
The internet of things helps people live and work smarter, as well as gain complete control over their lives. In addition to offering smart devices to automate homes, IoT is essential to business. IoT provides businesses with a real-time look into how their systems really work, delivering insights into everything from the performance of machines to supply chain and logistics operations.
IoT enables companies to automate processes and reduce labor costs. It also cuts down on waste and improves service delivery, making it less expensive to manufacture and deliver goods, as well as offering transparency into customer transactions.
As such, IoT is one of the most important technologies of everyday life, and it will continue to pick up steam as more businesses realize the potential of connected devices to keep them competitive.
Pros and cons of IoT
■ Some of the advantages of IoT include the following:
ability to access information from anywhere at any time on any device;
improved communication between connected electronic devices;
transferring data packets over a connected network saving time and money; and
automating tasks helping to improve the quality of a business's services and reducing the need for human intervention.
■ Some disadvantages of IoT include the following:
As the number of connected devices increases and more information is shared between devices, the potential that a hacker could steal confidential information also increases.
Enterprises may eventually have to deal with massive numbers -- maybe even millions -- of IoT devices, and collecting and managing the data from all those devices will be challenging.
If there's a bug in the system, it's likely that every connected device will become corrupted.
Since there's no international standard of compatibility for IoT, it's difficult for devices from different manufacturers to communicate with each other.
History of IoT
Most sites that try to explain the history of the Internet of Things want to give you the whole story of how the Internet itself – and all the technologies relating to it – came into being. However, given that it’s pretty darn obvious that you don’t get the Internet of Things without first having a worldwide computer network to connect those things, let’s skip this part and begin with what you’re really interested in – the history of IoT.
So, leaving aside the first radio voice transmission and the development of computers, one of the first truly recognizable examples of IoT – which occurred over a decade before the concept was given a name – was a Coca-Cola machine in the early 80s, located at the Carnegie Melon University in Pittsburgh, Pennsylvania. A student at the uni – one David Nichols – was tired of having to walk what he describes as “a relatively long way” from his office to the refrigerated Coke machine every time he wanted a soda, only to find more often than not that the thing would be empty (or, if it had been recently refilled, the glass bottles inside to be unsatisfyingly warm).
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