[ntp:questions] NTP client basic

Per Hedeland per at hedeland.org
Tue Mar 6 22:50:04 UTC 2007

In article <esk1um$f7o$1 at scrotar.nss.udel.edu> mills at udel.edu writes:
>SNTP doesn't do anything of the kind. It assumes only a single packet 
>exchange resulting in four timestamps to determine the time and optional 
>offset and roundtrip delay. As described in both RFC 1305 and the NTP4 
>draft specification, the timestamps and certain state variables resist 
>old duplicates and bogus packets.

Yeahbut, RFC 2030 specifically says that you don't need to look at

> It is completely nonproductive to send 
>a speculative number of packets and believe only the first one. If 
>necessary, send a packet and wait a window turn, then send another one 
>if lost.

Uh, how long is "a window turn"? Just curious...

--Per Hedeland
per at hedeland.org

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