[cisco-nas] Microsoft Point-to-Point Compression (MPPC)

[Chris Atkinson]

Hi Robert,
And how do your subscribers find performance with already compressed content
like ZIP, JPEG & MPEG files ... any complaints about reduced performance
there?

Regards,
Chris Atkinson

----- Original Message ----- 
From: "Robert Boyle" <robert at tellurian.com>
To: "Chris Atkinson" <akko at westnet.com.au>; <cisco-nas at puck.nether.net>
Sent: Monday, March 22, 2004 2:35 PM
Subject: Re: [cisco-nas] Microsoft Point-to-Point Compression (MPPC)


> At 10:34 PM 3/21/2004, Chris Atkinson wrote:
> >Hi All,
> >What's the general feeling about enabling software compression
(inparticular
> >mppc) at the NAS/LNS end for the benefit of 56k PSTN & 64k/128K ISDN
dial-up
> >clients?
>
> If you have the CPU to spare, it works GREAT! Customers definitely notice
> the improvement in speed. Our workaround is a 7206 non-VXR with NPE225 and
> SA-COMP/4 cards coupled with an AS800.
>
> >Is it something that is worth enabling provided that the NAS/LNS has
> >sufficent CPU available? ....Will having it enabled cause connectivity
> >issues for dial-in clients who don't support the protocol and can anyone
> >comment on what the performance is like in an environment whereby PPP
> >sessions are tunneled through from the LAC/NAS to an LNS using L2TP?
>
> You MIGHT be able to get away with a VXR with an NPE-G1 and an AS5800, but
> I don't think any of the AS5200/5300/5350/5400/etc have enough CPU to
> support all channels running compression. We saw unacceptable performance
> with an AS5800 with compression enabled with an NPE300. We have never
> tested compression on our AS5300s.
>
> R
>
>
> Tellurian Networks - The Ultimate Internet Connection
> http://www.tellurian.com | 888-TELLURIAN | 973-300-9211
> "Good will, like a good name, is got by many actions, and lost by one." -
> Francis Jeffrey
>