DR11W COMMUNICATIONS SOFTWARE FROM FERMILAB SUBMITTED BY Vicky White/David Berg. Moved from [77,*] to [300,301-320] for RSX84B Tape - ed. THIS COMMUNICATIONS SOFTWARE HAS BEEN USED EXTENSIVELY IN TEST SITUATIONS ON A SINGLE PROCESSOR AND IN A THREE PROCESSOR/THREE LINK CONFIGURATION, WHERE ONE THE MACHINES HAS TWO OF THE LINKS. IT HAS NOT YET BEEN USED IN A RUNNING EXPERIMENT AT FERMILAB AND SO WILL VERY PROBABLY STILL CONTAIN SOME BUGS. HOPEFULLY THEY ARE NOT SERIOUS ONES PN172.MEM ON [77,200] IS THE PRELIMINARY VERSION OF THE FERMILAB GUIDE TO INSTALLING AND USING THE SOFTWARE. IT CONTAINS A COMPLETE LIST OF THE CONTENTS OF THE TAPE BY UIC. PAPERS PRESENTED AT THE DECUS FALL 82 SYMPOSIUM AND OTHER DOCUMENTATION RELATING TO COMMUNICATIONS SOFTWARE CAN BE FOUND ON [77,200]. THE AUTHORS WILL BE GRATEFUL IF USERS OF THE SOFTWARE WILL FEED BACK THEIR EXPERIENCES AND REPORT ON BUGS FOUND, PREFERABLY IN WRITING.