ntp in python

[Janto Dreijer]

Jeremy Sanders wrote:
> Janto Dreijer wrote:
>
> > I want to measure the packet delivery delays over various network
> > links. For this I need to synchronise the times of the sender and
> > receiver, either against NTP or eachother.
>
> Couldn't you just use NTP itself to get the delivery delay? You can read the
> delay out from the ntpdc console using dmpeers, or lopeers in ntpq. You
> could have two peers either side of the link and measure the delay from
> NTP.
>
> You may also be able to query remote ntp servers to get their delays to
> their peers.

Unfortunately I don't think that would work for me. I need the delay of
a stream of packets. Not just a single delay number. More specifically:
I'm testing RTP (VoIP) packet speeds and would like to predict lag
(ignoring jitter...separate measurement).