DrFPGA: wind river has built an embedded hypervisor(which is a pretty good way to secure applications against malware) , in 10K lines of code. I don't know what micruim has, but lines of code is not a good way to judge it.
@Rick, the growth numbers for Micrium were interesting. Do you know if they are from developers moving up from programming to bare metal or dropping back from more-complex Linux environments? My bet would be on the former.
Replay available now: A handful of emerging network technologies are competing to be the preferred wide-area connection for the Internet of Things. All claim lower costs and power use than cellular but none have wide deployment yet. Listen in as proponents of leading contenders make their case to be the metro or national IoT network of the future. Rick Merritt, EE Times Silicon Valley Bureau Chief, moderators this discussion. Join in and ask his guests questions.