David Woolley wrote: > E-Mail Sent to this address will be added to the BlackLists wrote: > >> >> I can perhaps see idling the connection to keep it open when the >> poll rate is at ~ 1 minute, however what about when the poll >> rate decreases to ~ 17 minutes? (or less often if so configured) > > There are no network cost in keeping a TCP connection "idling", as there > is no traffic in that state. (The exception is if you enable > keepalives, and you wait hours between real traffic, but even then the > traffic is very very small.)
While there may be no network costs, it a major cost to the server which not only uses up member holding it open but also consumes a file descriptor which are of limited supply. Danny -- This message has been scanned for viruses and dangerous content by MailScanner, and is believed to be clean. _______________________________________________ questions mailing list [email protected] http://lists.ntp.org/listinfo/questions
