Arturo Servin wrote: > Those were different times. At least us we were not so preoccupied by > tracking users, accounting, etc. So a central point to record IP address > was not as important as a central port to give IP address. A merit to have the central server is that you don't have to waste time and packets to have DAD, with additional overehead of IGMP, to confirm all the distributed nodes maintaining the state of SLAAC consistently, that is, a new configured address is unique. Masataka Ohta