[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

20050609:I2 vs commodity



Hi Rob,

Can you send me the results from:

traceroute  rossby.met.sjsu.edu

and

traceroute sundog.atmos.ucla.edu

and

traceroute aeolus.ucsd.edu

and just for fun..as if the others weren't enough fun.

traceroute idd.unidata.ucar.edu

Please execute these from squarepeg.....

Cheers,

Jeff
---------------------------------------------------------------------
Jeff Weber                                    address@hidden        :
Unidata Program Center                        PH:303-497-8676        :
University Corp for Atmospheric Research      3300 Mitchell Ln       :
http://www.unidata.ucar.edu/staff/jweber      Boulder,Co 80307-3000  :
---------------------------------------------------------------------

On Thu, 9 Jun 2005, Unidata Support wrote:

>
> ------- Forwarded Message
>
> >To: Rorik Peterson <address@hidden>
> >cc: address@hidden
> >From: Rob Cermak <address@hidden>
> >Subject: LDM/IDD - Re: GFS data
> >Organization: UCAR/Unidata
> >Keywords: 200506092000.j59K0AZu025021
>
> Rorik,   [FYI: for Unidata]
>
> Daved.ims.uaf.edu/ak.aoos.org is showing the same latency curves as you
> are for squarepeg.   In the IDD statistics, the machine is at the bottom
> and marked as ak.aoos.org.
>
> Its seems to our lovely network hand off.  Lower campus (UAF networking)
> claims that all our LDM network traffic is coming over the commodity feed
> rather than I2...  I checked with the remote ldm host and they say they
> are on I2.  Why our traffic is going over the commodity feed is a bit of a
> mystery to us as well.
>
> We are see periods of total disruption for like a minute.  Like the
> network just has a heart attack and then things break lose again.
>
> No word on setting up the FNMOC feed either.  I've been pinging Unidata
> for an update here and there.  I'll use the main support email this time.
>
> I'll be away from June 12 - 21 and the last week in June.  So, I'll be
> away more than in my office.  New number 907-474-7948.  I'll be catching
> email while I'm away.
>
> If our IT guy gets to carried away, we will have a subnet roll too to deal
> with via our UAF network guys.   The hostname won't change, but we will
> have a variable IP address...  That isn't going to work for the GI
> firewall.
>
> Stability should hopefully return by mid-July?   If the I2 handoff isn't
> fixed by Fall semester we'll see even higher latencies when the students
> return.
>
> In the medium range, we hope to have a direct fiber link to the UAF
> network backbone.  This should eliviate all the bandwidth competition
> coming from desktop users.  This should fix the local network hickups, but
> won't fix any latentcy problems.
>
> Doing what we can with a research grade feed :)  Just need to find a
> bucket of money and we can get NOAAport directly (last quote was $30,000).
>
> Rob
>
> On Thu, 9 Jun 2005, Rorik Peterson wrote:
>
> > Rob,
> >     I'm only getting a tiny bit of GFS/AVN data.  Unidata's latency charts
> > show it is up to an hour for HDS for me.  Are you having any problems
> > getting GFS data, or do I possibly have something screwy going on here?
> >
> > rorik
>
> --
> NOTE: All email exchanges with Unidata User Support are recorded in the
> Unidata inquiry tracking system and then made publicly available
> through the web.  If you do not want to have your interactions made
> available in this way, you must let us know in each email you send to us.
>
> ------- End of Forwarded Message
>


NOTE: All email exchanges with Unidata User Support are recorded in the Unidata inquiry tracking system and then made publicly available through the web. If you do not want to have your interactions made available in this way, you must let us know in each email you send to us.