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Re: ANTS on Linux performance...

To: adotl@lion.cc (adotl)
Subject: Re: ANTS on Linux performance...
From: Timothy Stack <stack@cs.utah.edu>
Date: Fri, 21 Sep 2001 08:09:50 -0600 (MDT)
Cc: janos-discuss@fast.cs.utah.edu
In-Reply-To: <01092112200106.08515@alocatel.itec-e.uni-klu.ac.at> from "adotl" at Sep 21, 2001 12:20:01 PM
Sender: owner-janos-discuss@fast.cs.utah.edu

> > Its been awhile since I've looked at performance, but ANTS is really
> > pretty slow so its not surprising...
> >
> 
> Well, I've seen measurements of 20~30 Mbit/s sending
> capacity...
> 
> Is it possible that those results were obtained with the old 
> ANTS (from univ. Washington)

probably

> and that ANTSR (ANTS2) performs this much worse ??

The difference has to do with the separation between flows thats new in 
ANTS2.  Theres some extra marshalling/unmarshalling/data copying when an
application crosses the protection boundary in order to send a
capsule.  Unfortunately, we haven't gotten around to optimizing this...

> cheers
> 
> Andreas

tim stack

References:
- Re: ANTS on Linux performance...
  - From: adotl <adotl@lion.cc>

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