Re: PPP over IPSec (without L2TP)?
Ari Huttunen <Ari.Huttunen@datafellows.com> Thu, 14 October 1999 15:22 UTC
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Date: Thu, 14 Oct 1999 16:40:46 +0300
From: Ari Huttunen <Ari.Huttunen@datafellows.com>
Organization: Data Fellows Oyj
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To: "Shriver, John" <john.shriver@intel.com>
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Subject: Re: PPP over IPSec (without L2TP)?
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There are certainly much easier ways for preventing packet re-ordering than implementing L2TP! As to your other points.. I defer judgement, but they don't look serious enough to force using L2TP either. Certainly they weren't serious enough to be mentioned in Microsoft's document. Ari "Shriver, John" wrote: > L2TP provides the prevention of packet reordering that is REQUIRED by PPP. > The PPP protocol assumes that packets under it will never be reordered. PPP > would not work directly on top of IPSec, since IPSec does not offer a > service with any assurance of packet ordering. > > The optional flow control for L2TP can also be used wisely to provide better > performance (lower packet loss). > > Also, on Windows Dial-Up Networking, it provides a comfortable user model. > This is not to be taken lightly. -- Ari Huttunen phone: +358 9 859 900 Senior Software Engineer fax : +358 9 8599 0452 Data Fellows Corporation http://www.DataFellows.com F-Secure products: Integrated Solutions for Enterprise Security
- PPP over IPSec (without L2TP)? Ari Huttunen
- RE: PPP over IPSec (without L2TP)? Shriver, John
- Re: PPP over IPSec (without L2TP)? Ari Huttunen
- Re: PPP over IPSec (without L2TP)? Scott G. Kelly
- Re[2]: PPP over IPSec (without L2TP)? Jim Tiller
- Re[2]: PPP over IPSec (without L2TP)? Stephen Kent
- RE: Re[2]: PPP over IPSec (without L2TP)? Shriver, John
- RE: Re[2]: PPP over IPSec (without L2TP)? Stephen Kent
- Re[2]: PPP over IPSec (without L2TP)? Jim Tiller
- Re[6]: PPP over IPSec (without L2TP)? Jim Tiller
- Re[4]: PPP over IPSec (without L2TP)? Jim Tiller
- RE: Re[4]: PPP over IPSec (without L2TP)? Shriver, John
- Re: PPP over IPSec (without L2TP)? Scott G. Kelly
- Re: PPP over IPSec (without L2TP)? Pyda Srisuresh
- RE: Re[2]: PPP over IPSec (without L2TP)? Bernard Aboba
- Re: PPP over IPSec (without L2TP)? Ari Huttunen
- RE: Re[2]: PPP over IPSec (without L2TP)? Stephen Kent
- RE: Re[2]: PPP over IPSec (without L2TP)? Pyda Srisuresh
- RE: Re[2]: PPP over IPSec (without L2TP)? Stephen Kent
- RE: Re[2]: PPP over IPSec (without L2TP)? Pyda Srisuresh
- RE: Re[2]: PPP over IPSec (without L2TP)? Stephen Kent
- Re: PPP over IPSec (without L2TP)? Paul Koning
- Re: PPP over IPSec (without L2TP)? Ari Huttunen
- Re: PPP over IPSec (without L2TP)? David Chen
- Re: PPP over IPSec (without L2TP)? Ari Huttunen
- Re: PPP over IPSec (without L2TP)? David Chen