[e2e] Header length field in IP header

[Saad Biaz]

On Thu, 23 Sep 2004, Craig Partridge wrote:

>
> In message <4152F8A9.2090500 at isi.edu>, Joe Touch writes:
>
> >Error - drop the packet. If the IP version field is 4 (I'm assuming you
> >mean IPv4), there are required fixed-length fields. As per RFC791, pg 11:
>
> Joe:
>
> You're quite right, but realize the point here -- we have found some
> free bits!!


That was exactly my intent!

> All we need to do is write a standards document that says values
> 0,1,2,3 and 4 are to be interpreted as "5 + a bit value to be determined"
> and we get 5 more values we can signal in the IP header!  Diff serv
> has more bits to play with!  <Running for cover... :-)>

Geee, and I was thinking Diffserv too!

Thank you-



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Saad Biaz, Ph.D., Assistant Prof.     Voice: (334) 844 6307
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