netdev
[Top] [All Lists]

Re: packet re-ordering on SMP machines.

To: ak@xxxxxxx (Andi Kleen)
Subject: Re: packet re-ordering on SMP machines.
From: kuznet@xxxxxxxxxxxxx
Date: Tue, 27 Aug 2002 17:24:24 +0400 (MSD)
Cc: ak@xxxxxxx, netdev@xxxxxxxxxxx
In-reply-to: <20020827151317.A3389@wotan.suse.de> from "Andi Kleen" at Aug 27, 2 03:13:17 pm
Sender: netdev-bounce@xxxxxxxxxxx
Hello!

> Moving it later may make it useless for RTT purposes when the queueing 
> delays are too long.

Absolutely wrong. RTT is always calculated end-to-end, otherwise it 
some meaningless quantity, be it sctp, rpc or something.

The only place where precesion of timestamp is more or less interesting
is tcpdump. But not enough to make it not monotonic. :-)

Alexey

<Prev in Thread] Current Thread [Next in Thread>