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long latencies (fwd)


===============================================================================
Robb Kambic                                Unidata Program Center
Software Engineer III                      Univ. Corp for Atmospheric Research
address@hidden             WWW: http://www.unidata.ucar.edu/
===============================================================================

---------- Forwarded message ----------
Date: Wed, 10 Nov 1999 17:42:32 GMT
From: David J. Knight <address@hidden>
To: address@hidden
     address@hidden, address@hidden
Subject: long latencies

Hi all,
     It looks like there are network problems out there again somewhere.

Product latencies are above an hour again (happened a couple of
other times in the last few days). See stats file below for an example.
Connection top our upstream node is good as usual (see traceroute
below) so I assume the problem lies somewhere between the root
of the IDD tree and the first node on our branch (Cornell).

Is anybody else having this difficulty?
I'm having a hard time getting to unidata site
to check so I expect others are having problems
and may not see this email till it is fixed ;-(

Can anything be done to resolve this problem?
Perhaps change root servers?

Thanks

David Knight
Department of Earth and Atmospheric Sciences   Tel: (518)-442-4204
SUNYA   ES-228                                 Fax: (518)-442-4494
Albany, NY  12222                              Email: address@hidden


more 1999111016.stats
19991110162847     HDS           dusk.ssec.wisc.edu       3114   20358278    
3636.49 3661@1124 19991110172945
19991110162845 IDS|DDPLUS           dusk.ssec.wisc.edu       1779    1717810    
3637.55 3660@0511 19991110172944
19991110163653  MCIDAS        unidata.ssec.wisc.edu         11    8580146      
73.60  168@1648 19991110163906
19991110165836    FSL2            dion.fsl.noaa.gov         11    1968828    
1671.01 2689@0422 19991110170615
19991110164757    NMC2                       tgsv7a          2        229    
1994.95 2462@2029 19991110171325
19991110165949     WSI        sysu1.uni.wsicorp.com        904    7844880       
0.39   20@2525 19991110165950
19991110165813   DIFAX          lightning.alden.com         10    1560836      
10.20   18@1712 19991110165823


traceroute to snow.cit.cornell.edu (132.236.186.15), 30 hops max, 40 byte 
packets
 1  be102 (169.226.4.1)  2 ms  1 ms  1 ms
 2  169.226.13.1 (169.226.13.1)  1 ms  2 ms  1 ms
 3  at-gw3-alb-1-0-T3.appliedtheory.net (169.130.23.5)  224 ms  3 ms  311 ms
 4  at-gw2-alb-0-0.appliedtheory.net (169.130.20.2)  4 ms  3 ms  4 ms
 5  at-gw2-syr-1-1-0-T3.appliedtheory.net (169.130.1.22)  5 ms  5 ms  8 ms
 6  169.130.2.97 (169.130.2.97)  5 ms  6 ms  6 ms
 7  at-gw1-ith-5-1-0.appliedtheory.net (169.130.61.94)  7 ms 
at-gw1-ith-0-1-0-T3.appliedtheory.net (169.130.1.42)  7 ms 
at-gw1-ith-5-1-0.appliedtheory.net (169.130.61.94)  7 ms
 8  at-cornell-1-0-0-T3.appliedtheory.net (169.130.61.10)  9 ms  16 ms  14 ms
 9  CCC1-8540-VL7.CIT.CORNELL.EDU (128.253.222.137)  24 ms  10 ms  9 ms
10  snow.cit.cornell.edu (132.236.186.15)  9 ms  10 ms  9 ms