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Re: Data feed request
- Subject: Re: Data feed request
- Date: Thu, 24 May 2001 13:54:35 -0600 (MDT)
Hello Luis,
Ouch, the traceroutes to those sites are really not acceptable, especially
the packet loss.
I have forwarded this to Tom Yoksas, who may have some better approaches
to obtain the data via ADDE.
I am looking into the Caribbean subnet to see where the connect nodes are,
and hopefully will be able to find a "nicer" route...
More later,
-Jeff
____________________________ _____________________
Jeff Weber address@hidden
Unidata Support PH:303-497-8676
NWS-COMET Case Study Library FX:303-497-8690
University Corp for Atmospheric Research 3300 Mitchell Ln
http://www.unidata.ucar.edu/staff/jweber Boulder,Co 80307-3000
________________________________________ ______________________
On Wed, 23 May 2001, Unidata Mcidas Account wrote:
> Hi Jeff,
> I think that what we really need is LDM(which is what we used to have
> and will also allow us to save data locally for a given period of time,
> right?), so as soon as I can I'll set it up. This will probably be
> tomorrow.
> Our connection depends mainly on the time of day. During work hours it
> can get pretty bad, since we share our connection with a couple other UPR
> campuses. In a couple of weeks, we're supposed to get a connection
> upgrade, which will not be shared.
> I think Tom Yoskas had been in contact with the former administrator
> here. I read a couple of support emails he had sent. If you do a search
> for "Karli Lopez" you may find some useful information. Here's something
> I just found.
> >-----------------------------------
> >mcidas@breeze 10% cat MCTABLE.TXT
> >ADDE_ROUTE_BLIZZARD=144.92.109.163
> >NICKNAME_GV4=BLIZZARD/G7-VIS-4K
> >NICKNAME_GI4=BLIZZARD/G7-IR-4K
> >ADDE_ROUTE_MYDATA=LOCAL-DATA
> >NICKNAME_TI=MYDATA/TEST-IMAGES
> >ADDE_ROUTE_PLANET=LOCAL-DATA
> >NICKNAME_MV=BLIZZARD/M3-VIS
> >NICKNAME_MI=MYDATA/IMAGES
> >HOST_CIRRUS.AFIT.AF.MIL=129.92.2.88
> >HOST_REDWOOD.ATMOS.ALBANY.EDU=169.226.4.37
> >HOST_=207.51.48.20
> >HOST_RATMAN.WHOI.EDU=128.128.28.228
> >HOST_HAZE.ALDEN.COM=198.114.236.23
> >HOST_DRY.ATMOS.WASHINGTON.EDU=128.95.175.1
> >HOST_HOMER.GEOL.IASTATE.EDU=129.186.26.172
> >ADDE_ROUTE_RTWXTEXT=LOCAL-DATA
> >NICKNAME_C-IR=MYDATA/CI
> >NICKNAME_VI=IMGDISP
> >ADDE_ROUTE_RTNIDS=LOCAL-DATA
> >ADDE_ROUTE_RTNOWRAD=LOCAL-DATA
> >ADDE_ROUTE_RTGRIDS=LOCAL-DATA
> >ADDE_ROUTE_RTPTSRC=LOCAL-DATA
> >ADDE_ROUTE_TOPO=LOCAL-DATA
> >HOST_ZERO.UNIDATA.UCAR.EDU=128.117.140.56
> >ADDE_ROUTE_RTIMAGES=ZERO.UNIDATA.UCAR.EDU
> >-----------------------------------
>
>
> Here are the traceroutes you requested:
>
>
> traceroute to sapodilla.rsmas.miami.edu (129.171.98.131), 30 hops max, 40
> byte packets
> 1 136.145.164.1 (136.145.164.1) 0.625 ms 0.583 ms 0.534 ms
> 2 r7200.uprm.edu (136.145.230.1) 0.891 ms 0.542 ms 0.538 ms
> 3 136.145.218.1 (136.145.218.1) 14.479 ms 6.575 ms 19.272 ms
> 4 brsprintlink2.UPR.CLU.EDU (136.145.1.2) 18.592 ms 15.007 ms 16.488
> ms
> 5 sl-gw8-atl-10-0-0-TS5.sprintlink.net (144.232.220.41) 84.659 ms
> sl-gw8-atl-10-0-0-TS4.sprintlink.net (144.232.220.57) 54.952 ms
> sl-gw8-atl-10-0-0-TS5.sprintlink.net (144.232.220.41)
> 84.826 ms
> 6 sl-bb22-atl-0-0.sprintlink.net (144.232.12.203) 371.46 ms 357.819 ms
> 360.196 ms
> 7 ATM2-0.BR3.ATL5.ALTER.NET (137.39.52.137) 201.124 ms * 223.646 ms
> 8 * * *
> 9 * 195.ATM7-0.GW2.MIA4.ALTER.NET (146.188.233.185) 227.339 ms 217.925
> ms
> 10 bs-oc3-miami2-gw.customer.alter.net (157.130.80.54) 250.876 ms
> 255.679 ms *
> 11 205.152.144.131 (205.152.144.131) 232.162 ms * 233.57 ms
> 12 172.25.126.90 (172.25.126.90) 215.39 ms 254.794 ms 236.651 ms
> 13 216.79.61.1 (216.79.61.1) 240.81 ms 249.958 ms *
> 14 129.171.96.101 (129.171.96.101) 245.446 ms * 232.762 ms
> 15 * sapodilla.rsmas.miami.edu (129.171.98.131) 243.015 ms 236.897 ms
>
> mcidas@atmos:~$ ping -c10 sapodilla.rsmas.miami.edu
> PING sapodilla.rsmas.miami.edu (129.171.98.131): 56 octets data
> 64 octets from 129.171.98.131: icmp_seq=0 ttl=48 time=241.0 ms
> 64 octets from 129.171.98.131: icmp_seq=1 ttl=48 time=239.1 ms
> 64 octets from 129.171.98.131: icmp_seq=2 ttl=48 time=217.1 ms
> 64 octets from 129.171.98.131: icmp_seq=3 ttl=48 time=260.7 ms
> 64 octets from 129.171.98.131: icmp_seq=4 ttl=48 time=224.0 ms
> 64 octets from 129.171.98.131: icmp_seq=5 ttl=48 time=239.3 ms
> 64 octets from 129.171.98.131: icmp_seq=6 ttl=48 time=202.8 ms
> 64 octets from 129.171.98.131: icmp_seq=8 ttl=48 time=196.5 ms
> 64 octets from 129.171.98.131: icmp_seq=9 ttl=48 time=243.9 ms
>
> --- sapodilla.rsmas.miami.edu ping statistics ---
> 10 packets transmitted, 9 packets received, 10% packet loss
> round-trip min/avg/max = 196.5/229.3/260.7 ms
>
>
>
>
>
>
> traceroute to pluto.met.fsu.edu (128.186.5.177), 30 hops max, 40 byte
> packets
> 1 136.145.164.1 (136.145.164.1) 0.679 ms 0.672 ms 0.549 ms
> 2 r7200.uprm.edu (136.145.230.1) 0.588 ms 0.504 ms 0.532 ms
> 3 136.145.218.1 (136.145.218.1) 9.222 ms 5.924 ms 10.262 ms
> 4 brsprintlink2.UPR.CLU.EDU (136.145.1.2) 5.642 ms 17.176 ms 14.17 ms
> 5 sl-gw8-atl-10-0-0-TS3.sprintlink.net (144.232.220.37) 101.783 ms
> sl-gw8-atl-10-0-0-TS4.sprintlink.net (144.232.220.57) 84.709 ms
> sl-gw8-atl-10-0-0-TS7.sprintlink.net (144.232.220.97) 80.129 ms
> 6 sl-bb20-atl-0-0.sprintlink.net (144.232.12.193) 229.549 ms 208.089
> ms 255.666 ms
> 7 sl-bb22-fw-11-0.sprintlink.net (144.232.18.21) 504.373 ms 438.828 ms
> 472.42 ms
> 8 sl-gw10-fw-0-0.sprintlink.net (144.232.0.164) 250.768 ms 257.708 ms
> 255.848 ms
> 9 sl-scfl-1-0-0-T3.sprintlink.net (144.228.134.10) 360.997 ms 281.287
> ms 243.265 ms
> 10 fsu-bgp.tal.sprintnetops.net (199.44.5.226) 611.049 ms 503.632 ms
> 621.338 ms
> 11 vlan916.rsm.bfs.fsu.edu (128.186.250.17) 279.257 ms 319.532 ms
> 362.176 ms
> 12 vlan948.rsm.ucc.fsu.edu (128.186.250.49) 282.215 ms 328.707 ms
> 292.515 ms
> 13 * * fe40021.c7507.dsl.fsu.edu (128.186.250.37) 224.348 ms
> 14 * pluto.met.fsu.edu (128.186.5.177) 240.998 ms *
>
> mcidas@atmos:~$ ping -c10 pluto.met.fsu.edu
> PING pluto.met.fsu.edu (128.186.5.177): 56 octets data
> 64 octets from 128.186.5.177: icmp_seq=0 ttl=242 time=245.2 ms
> 64 octets from 128.186.5.177: icmp_seq=1 ttl=242 time=241.0 ms
> 64 octets from 128.186.5.177: icmp_seq=2 ttl=242 time=235.3 ms
> 64 octets from 128.186.5.177: icmp_seq=5 ttl=242 time=248.4 ms
> 64 octets from 128.186.5.177: icmp_seq=6 ttl=242 time=231.9 ms
> 64 octets from 128.186.5.177: icmp_seq=7 ttl=242 time=224.6 ms
> 64 octets from 128.186.5.177: icmp_seq=8 ttl=242 time=236.2 ms
> 64 octets from 128.186.5.177: icmp_seq=9 ttl=242 time=257.2 ms
>
> --- pluto.met.fsu.edu ping statistics ---
> 10 packets transmitted, 8 packets received, 20% packet loss
> round-trip min/avg/max = 224.6/239.9/257.2 ms
>
>
>
> traceroute to dante.geog.sc.edu (129.252.3.60), 30 hops max, 40 byte
> packets
> 1 136.145.164.1 (136.145.164.1) 0.928 ms 0.548 ms 0.551 ms
> 2 r7200.uprm.edu (136.145.230.1) 0.544 ms 0.496 ms 0.542 ms
> 3 136.145.249.1 (136.145.249.1) 6.389 ms 5.212 ms 5.358 ms
> 4 brsprintlink2.UPR.CLU.EDU (136.145.1.2) 6.017 ms 5.637 ms 6.205 ms
> 5 sl-gw8-atl-10-0-0-TS7.sprintlink.net (144.232.220.97) 109.086 ms
> sl-gw8-atl-10-0-0-TS3.sprintlink.net (144.232.220.37) 84.266 ms 87.211
> ms
> 6 sl-bb20-atl-0-0.sprintlink.net (144.232.12.193) 71.665 ms 91.767 ms
> 61.896 ms
> 7 sl-gw21-atl-9-0.sprintlink.net (144.232.12.18) 457.491 ms 438.929 ms
> 346.929 ms
> 8 sl-infoave-1-0.sprintlink.net (160.81.204.2) 216.5 ms 210.656 ms
> 206.508 ms
> 9 * * atm1-0-8.r02.scclma.infoave.net (165.166.126.11) 251.32 ms
> 10 165.166.47.105 (165.166.47.105) 425.624 ms 232.233 ms *
> 11 * * *
> 12 * * *
> 13 * * *
> 14 * * *
> 15 * * *
> 16 * * *
> 17 * * *
> 18 * * *
>
> PING dante.geog.sc.edu (129.252.3.60): 56 octets data
>
> --- dante.geog.sc.edu ping statistics ---
> 10 packets transmitted, 0 packets received, 100% packet loss
>
> Again, Thank you for your help,
> Luis Munoz
> System Administrator
> Caribbean Climate Center @ UPRM
>
>
>
>
>
> On Wed, 23 May 2001, Jeff Weber wrote:
>
> > Hi Luis,
> >
> > You have choices here..
> >
> > You can access McIDAS data either via the LDM or the ADDE servers.
> >
> > The LDM will allow a constant (hopefully) stream of available data that
> > fits your pre-set needs i.e. wavelength, area, resolution, etc...
> >
> > Or you can access the same data via the ADDE servers, in which you would
> > be placing (executing) a command to deliver the area files..This also
> > could be automated via a cron job or some other scripting mechanism.
> >
> > Previously, others from UPRM had wanted model data, and other products,
> > which would require a dish or LDM operations to gather the data, but if
> > all you want is the McIDAS imagery, we have the two options.
> >
> >
> > Please let me know if my assumptions are accurate, and I will also bring
> > this to Tom Yoksas (our McIDAS expert) and see if he sees any advantages
> > or disadvantages to either option.
> >
> > In the meantime, we should check the level of connectivity UPRM is
> > currently enjoying.
> >
> > Could you please perform traceroutes to:
> >
> > sapodilla.rsmas.miami.edu
> >
> > and
> >
> > pluto.met.fsu.edu
> >
> > and
> >
> > dante.geog.sc.edu
> >
> > from your machine that would host the LDM, and attach the results back to
> > me please...
> >
> >
> > Thank you,
> >
> > -Jeff
> > ____________________________ _____________________
> > Jeff Weber address@hidden
> > Unidata Support PH:303-497-8676
> > NWS-COMET Case Study Library FX:303-497-8690
> > University Corp for Atmospheric Research 3300 Mitchell Ln
> > http://www.unidata.ucar.edu/staff/jweber Boulder,Co 80307-3000
> > ________________________________________ ______________________
>
>
>
>