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Simple Sensor Interface protocol

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Overview

SSI (Simple Sensor Interface) protocol is a simple communications protocol designed for data transfer between computers or user terminals and smart sensors. SSI protocol is an Application layer protocol as in OSI model.

SSI protocol has been developed jointly by Nokia, Vaisala, Suunto, Ionific, Mermit and University of Oulu.

SSI protocol is used in point-to-point communications over UART and nertworking nanoIP applications.

The criterion for SSI protocol development are:

  • general purpose
  • simple – minimal overhead
  • small footprint on the server (sensor) side

Sample implementation of SSI protocol will be published as open source during August 2006 by Nokia.