[e2e] TCP Fragmentation

alok alok.dube at apara.com
Sat Feb 1 04:32:14 PST 2003


Hello,

I think IP itself allows with DF bit and all that stuff in there..

so why do you mean by a TCP specific question?

....

are u specifically asking about "when i encap TCP stacks"?



----- Original Message -----
From: Janardhan Iyengar <iyengar at mail.eecis.udel.edu>
To: John Border <border at hns.com>
Cc: <end2end-interest at postel.org>; <dillon at hns.com>;
<gsbutakia at hss.hns.com>; <dbhattacharya at hss.hns.com>
Sent: Saturday, February 01, 2003 4:52 AM
Subject: Re: [e2e] TCP Fragmentation


> John,
>
> According to "Beyond Folklore: Observations on Fragmented Traffic" by
> Shannon, Moore and Claffy (from ToN, December 2002):
>
> "While majority of the fragmented trafficis UDP [..], ICMP, IPSEC, TCP and
> tunneled traffic are commonly fragmented as well."
>
> Although that doesn't answer your question per se, these results show that
> there are TCP stacks which allow fragmenting.
>
> regards,
> jana
>
> On Mon, 27 Jan 2003, John Border wrote:
>
> >
> >     Is anyone aware of a TCP stack in use in the "real world" which does
not
> > set the "don't fragment" bit in the IP header?
> >
> >
> > John
> >
> >
>
> -----------------------------------------------------------------------
> Janardhan R. Iyengar    iyengar at cis.udel.edu
> Protocol Engineering Lab,
> University of Delaware        http://www.cis.udel.edu/~iyengar
> -----------------------------------------------------------------------
>





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