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Re: 20000609: Re: A little more on the Internet changes

Linda,

Thanks for sending that info out, our users need to be aware of the
internet options.

Robb...




On Fri, 9 Jun 2000, Linda Miller wrote:

> Hi LDM Users and Gilbert,
> 
> This is probably a good time to recommend that you or your network 
> administrator investigate Internet2 and Abilene connections for your 
> institution.  Many institutions are already members, but there are some who 
> are 
> not.  The future is moving toward use of higher resolution data sets, 
> especially for research activities.  Some of these data sets will be 
> available 
> through projects like CONDUIT and, eventually, CRAFT (Level II data from 
> WSR-88D NEXRAD radars).   Undoubtedly, other important data sets will be 
> identified too.
> 
> You can get information about Internet2 at:
> 
> http://www.internet2.edu/html/about.html#
> 
> Current university members are listed at:
> 
> http://www.internet2.edu/html/universities.html#
> 
> Information on Abilene is at:
> 
> http://www.ucaid.edu/abilene/html/about.html
> 
> If you have questions, feel free to contact me.
> 
> Linda
> 
> ================================================================
> --On Thursday, June 08, 2000 11:30 PM -0500 Gilbert Sebenste 
> <address@hidden> wrote:
> 
> > Actually, after sending an email to Dan Vietor, I *do* remember that there
> > were upcoming changes to the Internet routes.
> >
> > I had put in a trouble ticket to NIU's ISP, Genuity (formerly BBNPLANET,
> > BBN, and GTE Internetworking) about MAE-East being excessively clogged
> > (for you non-Internet gurus there, all major ISP's connect with each other
> > there) about a month ago. Of course, the problem, as many of you know, is
> > that the traffic through that hub is incredible. And in the last few
> > months, once again, MAE-EAST is saturating during "normal business hours".
> > Genuity said that a fix was coming, be patient, we don't know when it's
> > going to be kind-of-thing. We know now.
> >
> > Now, Dallas and other hubs are somehow being used to route traffic more
> > efficiently instead of always going through MAE-EAST. For example, up
> > until 2 days ago, to connect to a McIDAS ADDE server at UNIDATA, it took
> > *22* hops. It started at NIU, went to Chicago, then through Virginia,
> > MAE-EAST, back to Chicago through Qwest, then to Kansas City...arrrgh.
> > Now, it goes from Chicago to Dallas, hits Qwest there, then Houston, then
> > back to Dallas (I'm sure Qwest is working on that), and then to
> > Denver. Even with that loop, it's now much faster to UNIDATA/UCAR. And,
> > when I try to get data from a site in North Carolina, I go through Dallas,
> > and then Atlanta, before I hit Virginia and drop to North Carolina. Still
> > kinda round-about, but I bypass MAE-EAST. And it makes all the difference
> > in the world.
> >
> > Last weekend, Verio did some major reworking, as well as Sprint to some
> > degree, and over the last 48-72 hours, Genuity is also doing it in broad
> > daylight during the week. Sprint will complete their changes this weekend
> > (see http://www.sprint.net/maint/).
> >
> > In all this, as I described with Qwest, loops and messed are occurring
> > while paths are changed and figured out. It has helped most ISP's
> > dramatically. The best one to benefit by far was Verio, which now
> > connects/peers with UUNET/ALTER.NET in several locations. Now, I can
> > traceroute to the College of Dupage during the daytime in 10 ms, until I
> > hit the school itself (which slows it down massively due to their
> > horribly saturated connection).
> >
> > Summer is the time to lay fiber optic cable, and I see it happening
> > everywhere in the 'burbs. My guess is that things will continue to change
> > for the better, as all the major ISP's add more bandwidth. Until then,
> > call up your ISP and see if they messed something up, which happened to
> > one college I know (and they really messed it up!). For now, patience is
> > the key. And ask your school to get more bandwidth if they can, if you're
> > not on the VBNS. I wished my school had listened to me and others when we
> > could have gotten on that free (through a grant). Oh well.
> >
> > *****************************************************************************
> > ** Gilbert Sebenste
> > ******** Internet: address@hidden    (My opinions only!)
> > ****** Staff Meteorologist, Northern Illinois University
> > **** E-mail: address@hidden
> > *** web: http://weather.admin.niu.edu                                      
> > **
> > Work phone: 815-753-5492                                                *
> > *****************************************************************************
> > **
> >
> 
> 
> 
> Linda Miller - address@hidden
> External Liaison, Unidata
> University Corporation for Atmospheric Research
> P.O. Box 3000
> Boulder, CO 80307-3000
> 303 497-8646 fax: 303-497-8690
> URL:  http://www.unidata.ucar.edu/staff/lmiller/un.act.html
> 

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