Re: Satellite latency

2002-03-05 Thread Joe Abley
On Wednesday, March 6, 2002, at 12:53 AM, David Luyer wrote: > Often the server TCP stack and the customer TCP stack may be dodgy and > sometimes > even unable to directly communicate, but the good TCP stack in the > middle can > communicate to both of the dodgy TCP stacks at either end as well

RE: Satellite latency

2002-03-05 Thread David Luyer
Tony Rall wrote: > > Specifically made for satellite networks: > > ip tcp window-size 75 > > I don't understand the benefit of this on a router. Except for > connections where the router itself is an endpoint (telnet to the router, > for example), the router has no need to even be aware of

Re: Satellite latency

2002-03-05 Thread Tony Rall
On Tuesday, 2002/03/05 at 08:42 ZE2, Hank Nussbacher <[EMAIL PROTECTED]> wrote: > New 12.2(8)T feature in Cisco IOS called TCP Windows Scaling: > http://www.cisco.com/univercd/cc/td/doc/product/software/ios122/122newft/122t/12 > 2t8/tcpwslfn.htm > > Specifically made for satellite networks: >

Re: Satellite latency

2002-03-05 Thread Richard A Steenbergen
On Tue, Mar 05, 2002 at 03:52:31PM -0800, Clayton Fiske wrote: > > > kernel buffer and will misreport speed). Open a few more connections like > > that and you've exausted your kernel memory and most likely will have a > > panic. If you did these settings on a web server, all it would take is a

Re: Satellite latency

2002-03-05 Thread Clayton Fiske
On Tue, Mar 05, 2002 at 09:38:42AM -0500, Richard A Steenbergen wrote: > > You should also beware of turning up TCP window settings to whatever big > number you feel like. I can only vouch for unix systems here, but the way > the socket interface and kernel tcp works requires a buffer which is b

Re: Satellite latency

2002-03-05 Thread Richard A Steenbergen
On Tue, Mar 05, 2002 at 08:42:22AM +0200, Hank Nussbacher wrote: > > New 12.2(8)T feature in Cisco IOS called TCP Windows Scaling: > >http://www.cisco.com/univercd/cc/td/doc/product/software/ios122/122newft/122t/122t8/tcpwslfn.htm > > Specifically made for satellite networks: > ip tcp window-si

Re: Satellite latency

2002-03-04 Thread Hank Nussbacher
New 12.2(8)T feature in Cisco IOS called TCP Windows Scaling: http://www.cisco.com/univercd/cc/td/doc/product/software/ios122/122newft/122t/122t8/tcpwslfn.htm Specifically made for satellite networks: ip tcp window-size 75 -Hank >On Wed, Feb 27, 2002 at 11:01:04PM -0500, Mark Allman wrote:

Re: Satellite latency

2002-02-28 Thread Clayton Fiske
On Wed, Feb 27, 2002 at 11:01:04PM -0500, Mark Allman wrote: > > The receiver is the one that informs the sender how large of a > > window it can accept, so it can be practical for a subscriber > > installation. It wouldn't be a good idea to park a bunch of > > servers behind one of these links,

Re: Satellite latency

2002-02-28 Thread Jim Mercer
On Thu, Feb 28, 2002 at 12:14:43PM -0500, Eric Oosting wrote: > Is there something else specific to one-way satellite connections that you > are attributing these problems with asymmetric routing to? There is > nothing inherently wrong with asymmetric routing that causes high latency > or perceiv

RE: Satellite latency

2002-02-28 Thread Jeb R. Linton
rom: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]] On Behalf Of Rowland, Alan D Sent: Wednesday, February 27, 2002 3:59 PM To: [EMAIL PROTECTED] Subject: RE: Satellite latency Not to mention that -5 degree or so look angle (negative elevation) from the poles being hard to acquire. ;) But with enough e