Re: UUNET Routing issues

2002-10-05 Thread Marshall Eubanks
On Sat, 5 Oct 2002 18:29:38 +0200 (CEST) Iljitsch van Beijnum <[EMAIL PROTECTED]> wrote: > > On Sat, 5 Oct 2002, Rafi Sadowsky wrote: > > > IvB> Obviously "some" packet loss and jitter are normal. But how much is > > IvB> normal? Even at a few tenths of a percent packet loss hurts TCP > > IvB>

Re: UUNET is not the Internet (and neither is AOL)

2002-10-05 Thread Sean Donelan
On Sat, 5 Oct 2002, Tim Thorne wrote: > After reading all the stories about what supposedly happened does > anyone know what really happened? Did UUNet US really do an IOS > upgrade on a sizable proportion of their border routers in one go? > This seems like suicide to me. What possible reason co

Re: UUNET Routing issues

2002-10-05 Thread Petri Helenius
> > > > > IIRC the maximum TCP(theoretical)session BW under these conditions >Is less than 1Mb/sec (for 600msec RTT) > 873.8kbps payload, add headers with assumed 1500 byte MTU and you'll have 897.8kbps. This assumes zero latency on the hosts reacting to the packets. Pete

Re: UUNET Routing issues

2002-10-05 Thread Iljitsch van Beijnum
On Sat, 5 Oct 2002, Rafi Sadowsky wrote: > IvB> Obviously "some" packet loss and jitter are normal. But how much is > IvB> normal? Even at a few tenths of a percent packet loss hurts TCP > IvB> performance. The only way to keep jitter really low without dropping large > IvB> numbers of packets i

Re: UUNET Routing issues

2002-10-05 Thread Rafi Sadowsky
## On 2002-10-04 23:50 +0200 Iljitsch van Beijnum typed: IvB> IvB> Obviously "some" packet loss and jitter are normal. But how much is IvB> normal? Even at a few tenths of a percent packet loss hurts TCP IvB> performance. The only way to keep jitter really low without dropping large IvB> numbe

Re: UUNET is not the Internet (and neither is AOL)

2002-10-05 Thread Tim Thorne
Sean Donelan <[EMAIL PROTECTED]> wrote: >But cyberspace hasn't gone senile. Those massive e-mail delays, slow >Internet connections and downed e-businesses were all caused by a software >upgrade that went horribly wrong at WorldCom's UUNet division, a large >provider network communications. Aft