Abstract
The vast majority of home automation systems depend on a permanent central controller and this is the source of many serious problems. The controller may be eliminated by using one or more Intermittent Control Devices such as a smartphone, but the responsibilities of the controller must be redistributed. This paper considers the problem of keeping multiple intermittent controllers up-to-date with status information for devices around the home. Four protocols are proposed, taking key lessons from existing network protocols, and then implemented, tested and compared with the expected performance of UPnP. All four protocols outperform UPnP and further analysis shows that these protocols can be implemented in a robust and user-friendly manner. A comparison of the packet efficiency of these protocols demonstrates that the combination of device registration and packet broadcasting makes for the most efficient protocol and should form the basis of devices status communications in home automation systems without a permanent central controller.
Highlights
Home automation and smart homes have long been considered an imminent and inevitable application of technological advances in microprocessors, sensors and networking
In order to assess their performance each protocol was implemented in C++ scripts for both IoT devices and Intermittent Control Devices (ICDs)’s
Home automation continues to be needlessly limited by the paradigmatic devotion to a Permanent Central Controller (PCC)
Summary
Home automation and smart homes have long been considered an imminent and inevitable application of technological advances in microprocessors, sensors and networking Despite this such systems are still far from the ubiquitous technology anticipated. It has been argued this is largely the result of issues either introduced or exasperated by the near universal dependence of Home Automation systems on a Permanent Central Controller (PCC) [1]. These PCC's are expensive to purchase and run, creating an obstacle for the average household. Complex and inflexible systems will not succeed in penetrating homes where users are not technically confident
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