All, I thought that this article would be of general interest. It appears that the US Army (which has been working on the IoTproblem for over a decade) has an interesting architecture worth considering. http://defensesystems.com/articles/2015/01/09/army-integrated-sensor-archite... Jeff -- Jeff Stollman stollman.j@gmail.com 1 202.683.8699 Truth never triumphs — its opponents just die out. Science advances one funeral at a time. Max Planck