Host groups

David R. Cheriton, Stephen E. Deering
1985 Computer communication review  
The extensive use of local networks is beginning to drive rcquircmcnts for intcmctwork facilities that connect thcsc local networks. In particular, the availability of multicast addressing in many local networks and its USC by sophisticated distributed applicarions molivatcs providing multicast across intcrnetworks.
doi:10.1145/318951.319039 fatcat:5x3nymdrdvfb3luj3qgjr4f2za