What is M2M (machine-to-machine)? - Definition from Whatis.com

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M2M (machine-to-machine)

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M2M (machine-to-machine)

M2M is an abbreviation for machine-to-machine, or technology that supports wired or wireless communication between machines. An example of M2M technology might be a set of devices that monitor traffic in a city and communicate the information to the city's traffic lights in order to regulate the flow of traffic. M2M is used in telemetry, data collection, remote control, robotics, remote monitoring, status tracking, road traffic control, offsite diagnostics and maintenance, security systems, logistic services, fleet management, and telemedicine.

The abbreviation has also been used to stand for man-to-machine, mobile-to-machine, machine-to-man, and machine-to-mobile.

Related glossary terms: 10-high-day busy period (10HD busy period), maximum transmission unit (MTU), CRC-4 (Cyclic Redundancy Check 4), TCP/IP (Transmission Control Protocol/Internet Protocol), OpenNMS (Open Network Management System), maximum segment size (MSS), network operations center (NOC) , ACK, loopback test, running disparity (RD)

Contributor(s): Mikko Saarinen

This was last updated in August 2006

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Resources from around the Web
- M2M Magazine is devoted entirely to this technology.
- M2M Focus provides a FAQ concerning wireless M2M and its potential applications.

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