M2M

IoT

Communication is done within an embedded software at the client site.

Communication is done for grand-scale projects.

It uses isolated systems of devices having the same standards.

It uses integrated devices, applications, and data across varying standards.

M2M offers limited scalability options.

IoT is inherently more scalable.

A cellular network or wired network is used for device connectivity.

It uses an active Internet connection for device connectivity.

Machines can communicate with one machine at a time.

Many machines can communicate with each other over the Internet.