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RE: Requesting LDM access for FNMOC feed.



I added the NGRID feed on the 11th.  I took it out today, to see if NGRID was 
interfering with CONDUIT throughput.  It's very possible our bandwidth can't 
handle CONDUIT+NEXRAD2+NGRID+HDS+NNEXRAD+NIMAGE...

Yes, we are requesting the whole feed now.

-----Original Message-----
From: Arthur A. Person [mailto:address@hidden]
Sent: Friday, June 13, 2008 12:59 PM
To: Zehel, Samuel
Cc: Jeff Weber; address@hidden; address@hidden
Subject: RE: Requesting LDM access for FNMOC feed.

Samuel,

On Fri, 13 Jun 2008, Zehel, Samuel wrote:

> It looks like we found a better solution where we use 158.83.1.174 to
> feed 171.  Thanks for the response though.

Good... I was going to suggest that depending on what you were trying to
do.

> P.S. I was wondering if we we are getting the full CONDUIT feed from
> ldm.meteo.psu.edu.  It seems as if we're not getting as much volume as
> we should.

Your CONDUIT feed does look a bit low in volume...  and it looks like your
reception latencies are very high:

   www.unidata.ucar.edu/cgi-bin/rtstats/iddstats_nc?CONDUIT+shu.cup.edu

which is causing "clipping" of the data at 3600 seconds latency.  Your
volumes look okay during the low latency times but appear to be truncated
during the high latency times (that depends on what data you are
requesting... are you requesting the whole feed?):

   www.unidata.ucar.edu/cgi-bin/rtstats/iddstats_vol_nc?CONDUIT+shu.cup.edu

It also looks like things took a turn for the worse from 6/11 to 6/12...
did anything change that you are aware of in the last couple of days?
Either way, it would appear that something is slowing down your data
reception... either a networking issue or some slowness on the part of
your server.

                                Art

> -----Original Message-----
> From: Arthur A. Person [mailto:address@hidden]
> Sent: Friday, June 13, 2008 10:43 AM
> To: Zehel, Samuel
> Cc: Jeff Weber; address@hidden; address@hidden
> Subject: RE: Requesting LDM access for FNMOC feed.
>
> Samuel,
>
> On Wed, 11 Jun 2008, Zehel, Samuel wrote:
>
>> Ah, sorry about that.
>>
>> Would it be possible to have all feeds currently accessible thru
>> shu.cup.edu (158.83.1.174) also accessible thru shu1.cup.edu
>> (158.83.1.171)?
>
> Could you clarify?  Are you asking for a second feed to shu1, or are you
> switching feeds from shu to shu1... or something else?
>
>                           Art
>
>
>> -----Original Message-----
>> From: Jeff Weber [mailto:address@hidden]
>> Sent: Wednesday, June 11, 2008 4:00 PM
>> To: Zehel, Samuel
>> Cc: address@hidden; ArthurA.Person; address@hidden
>> Subject: Re: Requesting LDM access for FNMOC feed.
>>
>> Hi Samuel,
>>
>> The FNMOC (NOGAPS & COAMPS) feed is point to point (needs to come from
>> FNMOC and go directly to you, Unidata does coordinate the feed request)
>> and is currently not broadcasting. We are working w/FNMOC to bring back
>> the feed, but we have no time or date for its broadcast to resume.
>>
>> We will keep you posted via the ldm-users list.
>>
>> 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 Wed, 11 Jun 2008, Zehel, Samuel wrote:
>>
>>>
>>> Could you 'allow shu.cup.edu' (158.83.1.174) and shu1.cup.edu 
>>> (158.83.1.174) to feed FNMOC (NOGAPS, SEISMIC) from your LDM site?
>>>
>>> Samuel M. Zehel Jnr
>>> Applications Programmer I
>>> California University of Pennsylvania
>>> 250 University Ave
>>> California PA 15419
>>>
>>> Office: Eberly Science 271
>>> 724-938-1582
>>> zehel-at-cup.edu
>>>
>>>
>>
>>
>
> Arthur A. Person
> Research Assistant, System Administrator
> Penn State Department of Meteorology
> email:  address@hidden, phone:  814-863-1563
>
>

Arthur A. Person
Research Assistant, System Administrator
Penn State Department of Meteorology
email:  address@hidden, phone:  814-863-1563