Pieter Hintjens wrote: >>> Are these in the same pattern? Or do XREQ/XREP form a separate pattern? >> Yes. REQ/REP are just XREQ/XREP with some usability sugar added. > > "Yes" is a fine answer but it's not clear what question you were > answering... :-) Yes, all those socket types belong to the same pattern :) Martin