Proposal

low level API for handling comnnections on top of MUX (open/read/write/close) unbuffered
a buffered BUFMUXAPI module pluggable on top of MUXAPI (open/read/write/close/ioctl) buffered
the encoding (Wire level encoding) for RPC pluggable on top of both
an iluhttp API providing a BUFMUX content for the application layer