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List:       ipsec
Subject:    Re: IPSEC and NAT
From:       Paul Ferguson <pferguso () cisco ! com>
Date:       1997-08-28 18:18:04
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At 11:01 AM 8/28/97 -0400, Robert Moskowitz wrote:

>At 07:04 AM 8/27/97 -0400, Paul Ferguson wrote:
>
>Actually, I was one of the proposers of using the precedence bits at
>Memphis; and I am sure that it came up before.  However, you can't do
>enough with 3 bits, IMHO.  This might be the greatest driver to IPv6, or at
>least IPv4 in secure IPv6 tunnels!  IPv6 with things like Flow ID should
>have enough exposed fields to to class of service. 
>
>BTW, how is this for a totally backward view of IPngtran?
>

Bob,

Empirical evidence indicates that service providers do not want, nor need,
more than eight levels of differentiation. In fact, most of them simply
want two, at least initially (traditional best-effort and 'premium').

- paul

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