YOW! Night 2017 Brisbane, Sydney, Melbourne – Fred George – March 21,28,29
IoT and Microservices in the Home
IoT, the prevalence of specialized interconnected devices, has invaded business and home. The myriad of devices, hubs, and APIs has created a Tower of Babel that makes the Android phone scene seem mild. Such devices are inherently less networkreliable than previous products, primarily due to the casual attachment (convenient outlets). Add to this heterogeneous soup the security exposure that has already been exploited in DDoS attacks, and you have an environment begging for technical solutions.
We propose Asynchronous Microservices as a solution. Borrowing a page from historical J2ME thinking and more recent implementations using IFTTT, we introduce small bridging Microservices for the various devices. Further, also consistent with Microservices, we keep these services very simple: They broadcast device status to an event bus, or listen for action commands to relay to the devices from the same bus. Interaction among the various IoT devices is delegated to yet another set of Microservices.
One exemplary composite application would accept signals from motion detectors to turn on appropriate lights, or alternatively alerting the owner of unauthorized intrusion. Using the same motion detectors, lights can be dimmed and eventually turned off. Room temperatures and even audio/video gear could be adjusted as well. Using Asynchronous Microservices, we can also set up controlled access from the outside world, rather than exposing each device with its own vulnerabilities.
Finally we wrap up talking about the challenges of implementing this in my own flat using Hue lights, Amazon Alexa, and 4th generation Apple TV. We run these Microservices in local containers attached to the same home network. Docker support of ARM devices enables low cost redundancy as well.
ABOUT THE PRESENTER: Fred George
Fred George is a Developer and Cofounder at Outpace Systems, and has been writing code for over 46 years in (by his count) over 70 languages. He has delivered projects and products across his career, and in the last decade alone, has worked in the US, India, China, and the UK. He started ThoughtWorks University in Bangalore, India, based on a commercial programming training program he developed in the 90’s. An early adopter of OO and Agile.
5:30 pm Welcome networking with refreshments
6:00 pm Presentation followed by Q&A
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