From: "Wei Yongjun" <[EMAIL PROTECTED]>
Date: Mon, 30 Jan 2006 16:29:18 -0800

> I think this problem should not occurred because the patch make the
> ipv4 header of a 32 bit alignment.

I still think the complicated new code is not justified.

Show a real life example where this results in breakage and not just a
few wasted bytes of network usage for an extremely rare usage.

IP Options are rare, and no meaningful usage can every be given to
them because this would break the fast path of every core router on
the internet.

Every time someone suggests using IP Options for normal usage, all the
router vendors are rightfully against it.  There is not justifyable
reason to be asking the core routers to be editing packets, ever.
Setting and clearing notification bits (for things like ECN) is fine,
but any modification of the packet layout is totally unacceptable.

So why do you care that we lose a few bytes on the wire when
editing IP options again?
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