I upgraded ntpd on ntp.cs.uu.nl from 4.2 ... / 2010-01-15

2010-01-15 I upgraded ntpd on ntp.cs.uu.nl from 4.2 ...
I upgraded ntpd on ntp.cs.uu.nl from 4.2.4 to 4.2.6 and suddenly I notice in the output that this has changed the stratum from 2 to 1.
$ ntpq -c rv ntp.cs.uu.nl
status=011d leap_none, sync_atomic, 1 event, event_13,
version="ntpd 4.2.6@1.2089-o Fri Jan 15 14:31:14 UTC 2010 (1)",
processor="i386", system="FreeBSD/5.4-RELEASE-p13", leap=00, stratum=1,
precision=-19, rootdelay=0.000, rootdisp=1.456, refid=PPS,
reftime=cefb066f.cbe638ff  Fri, Jan 15 2010 16:21:19.796,
clock=cefb0693.889dd5ee  Fri, Jan 15 2010 16:21:55.533, peer=7047, tc=6,
mintc=3, offset=-0.001, frequency=15.448, sys_jitter=0.002,
clk_jitter=0.001, clk_wander=0.002
Which matches the peer list where the PPS stratum is now 0:
$ ntpq -c peer ntp.cs.uu.nl
     remote           refid      st t when poll reach   delay   offset  jitter
==============================================================================
*huygens.cs.uu.n .PPS.            1 u   23   64  377    0.197    0.009   0.258
+stardate.cs.uu. .PPS.            1 u   13   64  377    0.998   -0.058   0.033
+tijger.phys.uu. metronoom.dmz.c  2 u   15   64  376    0.599    0.004   0.185
 LOCAL(0)        .LOCL.          10 l  627   64    0    0.000    0.000   0.002
oPPS(0)          .PPS.            0 l   49   64  377    0.000   -0.002   0.002
 NTP.MCAST.NET   .MCST.          16 u    -   64    0    0.000    0.000   0.002
I guess some definition of PPS input has changed. Now I wonder how much more ntp traffic this will cause.

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