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AWS IoT Greengrass is a cloud service and software that runs on customer owned hardware which enables over-the-air updates, application orchestration, monitoring, and an application ecosystem with premade components which makes solution development simpler. Greengrass is built for edge use cases which means that it can handle slow, intermittent, and completely disconnected network environments. Powerful solutions are built on top of Greengrass including AWS IoT SiteWise Edge. Greengrass enables you to execute any code at all, applications do not need to be written for Greengrass specifically, enabling “lift-and-shift” migration from other deployment and application orchestration tools.

This wiki will cover Greengrass Nucleus design and implementation details