> > Also, having a low-footprint solution for embedded system communication > would be really nice. There still doesn't seem to be a commonly accepted > standard for this: rosc is in alpha, simple_message is still in > development, apparently people are already using DDS... > I know the long term solution is for the embedded components to speak the "real" TCP protocol, but Clearpath has invested in rosserial-- we developed and released last year a high performance C++ implementation of the ROS-side server node , which supports both serial and socket connections. Right now we just use it for the basics of topic pub/sub and serialization, but the intent is to provide reasonable support for services, parameters, and logging; that support will be in place sometime in the next six months, as we need it for an upcoming new product. M.