NOTICE: This version of the NSF Unidata web site (archive.unidata.ucar.edu) is no longer being updated.
Current content can be found at unidata.ucar.edu.

To learn about what's going on, see About the Archive Site.


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

[LDM #BRZ-289323]: Feature request: throttling inbound/outbound traffic



Gilbert,

[This reply is just so we have a publicly-visible copy of your email.]

Updating Microsoft Windows caused problems. Interesting. Thanks for clearing 
that up.

> > Society of Critical Care Medicine? System Center Configuration Manager?
> 
> Microsoft's updates server here on campus. They started rolling
> out September updates at 800+ mb/sec...and brought the
> internal network almost to its knees on my end.
> 
> > So, for 3 hours your LDM wasn't receiving data because the campus network
> > was clogged by other downloads?
> 
> Correct, from on-campus downloads.
> 
> > That was rather draconian. The LDM uses TCP, which plays nice with
> > others and automatically adjusts to available bandwidth -- using less if
> > the network is congested and more as the network becomes uncongested.
> 
> Agreed.
> 
> >> Is there any way to have a feature "throttle" the LDM to some degree so
> >> that it doesn't hit panic alarms when outages like this happen? With
> >> gigabit comnnections and fast servers, this may be a problem
> >> in the future, causing false DDOS alarms to ISP's and such.
> >
> > One might be able to use the tc(1) utility to impose a limit on TCP
> >connections involving port 388. Would you please investigate this before
> >adding to the LDM's "Issues" page. Thanks.
> 
> OK, I will ook into it. Thanks!
> 
> Gilbert

Regards,
Steve Emmerson

Ticket Details
===================
Ticket ID: BRZ-289323
Department: Support LDM
Priority: Normal
Status: Closed