Journey of a network packet through linux 2.6 network stack

Hi,

A document with this heading can be found for 2.4 network stack. But i
have not found any document regarding 2.6 network stack.

When i was searching netfilter mailing list archive, i got the following
post :

http://lists.netfilter.org/pipermail/netfilter/2007-august/069583.html

in this post author mentioned about a document named after this. but
does not gave any link to that document.

so i'm wondering if any similar document can be found?

cheers.

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--aft