I just posed a first draft of an Asynchronous interface to the MPI_Comm_spawn operations for process management. The wiki page is here: http://svn.mpi-forum.org/trac/mpi-forum-web/wiki/Async-proc-mgmt This is a rough draft at the moment, and I know we have not talked about this on the teleconference calls yet. I wanted to post something so we can start talking about it at a high level before nailing down too many specifics. And to see if there is anyone interested in helping me with this proposal. Let me know what you think. Cheers, Josh