Machine-to-Machine (M2M) is a format of electronic communication which is built with several machines all interconnected together. The machines may not necessarily be computers; they could be any electronic device with rudimentary communication features. The established communication is either wired or wireless – and very often there will be little overall emphasis is laid upon the medium of communication. Machines have been communicating between and with each other for quite some time now, though the scale of communication was limited between three or more machines (read computers) to achieve a certain specified task back in the early days. M2M architecture takes this concept of communication as it brings sensors that work to collect specific information. They in turn tend to be connected to a remote management center and hub from which they are made to run. The communication present within an M2M infrastructure is usually referred as "telemetric communication" which was developed way back in the 1970s. The information which is collected from the sensors associated with the devices and the M2M data is fed to a remote management center for more analysis. This is so the data can be better analysed. The analysis reports help the grid to be sure to achieve optimal utilization of its overall resources. M2M applications are spread across various industries and domains such as production, operations, logistics, supply chain, healthcare, robotics and more. Several large industries are implementing the M2M infrastructure to build a robust IoT setup, which is the currently most, sought after technology. Some of the worlds largest conglomerates have made large scale investments in this technology in terms of how and how well it is able to run and operate from a business point of view and process management point of view.
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