Re: Question about Floodgate

Thanks Hugo.  
   
  If it were up to me, I would use Cisco NBAR.  It is built
into the IOS 
  and much more accurate than Floodgate.  I guess I just
have to 
  take Floodgate for what it worth.  
   
  thanks again.

Hugo van der Kooij <hvdkooijVANDERKOOIJ.ORG> wrote:
  On Tue, 4 Sep 2007, cisco4ng wrote:

> I made a few changes to the rule. I use http instead of
scp and I assign a
> weigh of 90 to http and 15 to ftp.
>
> I have two http sessions and two ftp sessions running
at the same time
> downloading a 100MB file size. I started two http
sessions first. I started
> two FTP sessions immediately after that. I am getting
about 1.5MB/sec
> for each http download sessions while I am getting
about 1.7MB/sec
> for one FTP session and 1.2MB/sec for the other ftp
session.
>
> Obviously, the load is not not equally distributed. I
have weigh 90
> to http and 15 to ftp but somehow ftp is getting just
as much traffics
> as http. Why?

Some things to considere:

The timing within FloodGate is based on a non realtime OS.
So at least 
some accuracy is lost there.

Then it is my understanding that traffic shaping is done
only by holding 
on to the packets. Where specialised devices do a lot more
tricks to work 
their magic.

As we also do PacketShapers and in my view FloodGate lacks a
lot of the 
steering and accuracy to control sessions that other
dedicated solutions 
have. Unless the user really, really, really wants it we
don't sell it.

It might work better if you test it with more real life like
numbers like 
a few dozen sessions for each.

Hugo.

-- 
hvdkooijvanderkooij.org http://hugo.vanderkooij.
org/
This message is using 100% recycled electrons.

Some men see computers as they are and say
"Windows"
I use computers with Linux and say "Why Windows?"
(Thanks JFK, for this quote of George Bernard Shaw.)

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