youre not caching anything? prioritization? On Wed, Mar 4, 2015 at 10:10 PM, Ken Hohhof <[email protected]> wrote:
> I can't figure this out, but it seems like the sort of thing someone else > here will say "oh, I know what causes that". > > I've been tracking a smattering of customer complaints about downloads > just stopping, and finally was able to reproduce it. I Googled for large > file downloads and took the first one that came up: > https://www.futurehosting.com/network-test-files/ > and found the downloads would stop repeatedly at the same point. > Different for each file and server location, but the same for repeated > downloads of the same file. For example the 100MB file from Michigan kept > stopping at 8MB. It chugged along fine, then slowed dramatically and > stopped, with no traffic either direction. Yet a ping to the same IP > address never had a problem. > > Note it is NOT the computer, the server, or last mile radios. I was able > to see it going only through backhaul radios and routers, no AP/CPE. And > it works fine with the same computer here at my house on AT&T. > > Tomorrow I need to chase it back toward my network border. I am not > conversant with Wireshark so have not done that yet, am not looking forward > to it. One pesky customer claims to have done that and seen TCP retries > and out-of-order packets, maybe he's right, maybe he is just > misinterpreting the data. > > So .............. what can cause HTTP downloads to stall and stop, while > other stuff like Youtube and Hulu and speedtest.net are fine? > > -- If you only see yourself as part of the team but you don't see your team as part of yourself you have already failed as part of the team.
