The nanomsg documentation (linked from the article) lists a number of fundamental differences between it and ZeroMQ. Some of them are implementation details, bu

The nanomsg documentation (linked from the article) lists a number of fundamental differences between it and ZeroMQ. Some of them are implementation details, but there are quite a few fundamental design/API changes that would be impossible to make in an existing library. http://nanomsg.org/documentation-zeromq.html http://nanomsg.org/documentation-zeromq.html