In my opinion, Bits 6-7 in ToS are reserved for future use and rfc does
not says anything as __MUST__ for these bits. Also ToS based routing
decision already implemented.
----- Original Message -----
From: "Philip Ho" <email@example.com>
To: "Linux Net" <firstname.lastname@example.org>
Cc: "Philip" <email@example.com>
Sent: Wednesday, April 09, 2003 12:37 PM
Subject: ip header, which field to steal?
> Hi all
> I am finding a field inside IP header that I can steal for the purpose
> of custom routing. All the routers are Linux-based.
> I guess there are somebody out there do this before. If yes, then which
> field do you use?
> Assuming that there is no fragmentation occurring throughout the whole
> network, can I use identification field? That is, I modify it for my own
> Thanks for your attention.
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