@Max, the issue of IPv6 address size is actually not one to be glossed over lightly. The definition of DNS getHostInfo calls return IPv6 *before* IPv4 addresses accroding to the RFC. These addresses are dynamically allocated in the spec. If I simply send a few thousand DNS responses to the device following a request, I can exhause device memory (DoS attack). Then the user is "supposed" to remember to free the allocated memory using another call. One missed deallocation and you've got a substantial memory leak.
What are the engineering and design challenges in creating successful IoT devices? These devices are usually small, resource-constrained electronics designed to sense, collect, send, and/or interpret data. Some of the devices need to be smart enough to act upon data in real time, 24/7. Specifically the guests will discuss sensors, security, and lessons from IoT deployments.