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Date: Thu, 14 Mar 2013 18:29:07 +0400
From: "Alexander V. Chernikov" <melifaro@ipfw.ru>
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To: "Eggert, Lars" <lars@netapp.com>
Subject: Re: kern/121122: [ipfw] [patch] add support to ToS IP PRECEDENCE
 fields
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On 14.03.2013 17:56, Eggert, Lars wrote:
> Hi,
Hello.
>
> interpreting these bits as a TOS field has been deprecated since RFC2474 was published in 1998. Since then, we've been having a DSCP codepoint and ECN bits in the IP header.
Yes. I'm going to commit DSCP-based approach, so I'm grabbing all 
related PRs.
Please see 
http://lists.freebsd.org/pipermail/freebsd-ipfw/2013-March/005318.html 
for more info.
>
> It would be actively harmful to add TOS byte support 15 years after it was deprecated. Read http://en.wikipedia.org/wiki/Type_of_service
>
> Lars
>
> On Mar 14, 2013, at 9:48, melifaro@freebsd.org wrote:
>
>> Synopsis: [ipfw] [patch] add support to ToS IP PRECEDENCE fields
>>
>> Responsible-Changed-From-To: freebsd-ipfw->melifaro
>> Responsible-Changed-By: melifaro
>> Responsible-Changed-When: Thu Mar 14 13:48:37 UTC 2013
>> Responsible-Changed-Why:
>> Take.
>>
>> http://www.freebsd.org/cgi/query-pr.cgi?pr=121122
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