From: "David S. Miller" <davem@redhat.com>
To: Julian Anastasov <ja@ssi.bg>
Cc: niv@us.ibm.com, ak@suse.de, ruddk@us.ibm.com,
kuznet@ms2.inr.ac.ru, netdev@oss.sgi.com,
chester.f.johnson@intel.com
Subject: Re: PMTU issues due to TOS field manipulation (for DSCP)
Date: Wed, 10 Dec 2003 16:09:46 -0800 [thread overview]
Message-ID: <20031210160946.4110c611.davem@redhat.com> (raw)
In-Reply-To: <Pine.LNX.4.44.0312110135440.1519-100000@u.domain.uli>
On Thu, 11 Dec 2003 02:06:09 +0200 (EET)
Julian Anastasov <ja@ssi.bg> wrote:
> But the common average chain length for full table is 16 and the
> different TOS values are usually 1 or 2 per path. We do not talk
> about intentional DoS.
Your system has not configured it's rthash table size properly, see
recent discussions Robert has been making here. You should have
rthash sized somewhere near the number of entries a full system
will have.
But regardless, let us say that your system has complexity O(16)
lookups as you mention, your proposal changes this to O(16+8).
next prev parent reply other threads:[~2003-12-11 0:09 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-12-10 18:23 PMTU issues due to TOS field manipulation (for DSCP) Kevin W. Rudd
2003-12-10 19:34 ` Andi Kleen
2003-12-10 20:20 ` Julian Anastasov
2003-12-10 20:33 ` Nivedita Singhvi
2003-12-10 21:18 ` Julian Anastasov
2003-12-10 22:36 ` Nivedita Singhvi
2003-12-10 22:51 ` David S. Miller
2003-12-10 23:15 ` Julian Anastasov
2003-12-10 23:20 ` David S. Miller
2003-12-11 0:06 ` Julian Anastasov
2003-12-11 0:09 ` David S. Miller [this message]
2003-12-11 0:34 ` Julian Anastasov
2003-12-12 8:31 ` David S. Miller
2003-12-12 23:38 ` Julian Anastasov
2003-12-18 23:17 ` Kevin W. Rudd
2004-01-19 22:43 ` Kevin W. Rudd
2004-01-20 4:29 ` David S. Miller
2003-12-13 0:10 ` Julian Anastasov
2004-03-04 9:36 ` David S. Miller
2004-03-04 20:56 ` Julian Anastasov
2004-03-04 22:02 ` kuznet
2004-03-06 11:55 ` Julian Anastasov
2004-03-06 16:02 ` Julian Anastasov
2003-12-10 20:26 ` Kevin W. Rudd
2003-12-10 20:52 ` Andi Kleen
2003-12-10 20:30 ` Nivedita Singhvi
2003-12-10 20:55 ` Andi Kleen
2003-12-10 21:11 ` Nivedita Singhvi
-- strict thread matches above, loose matches on Subject: below --
2003-12-10 21:35 Johnson, Chester F
2003-12-10 23:36 Johnson, Chester F
2003-12-11 0:17 ` Julian Anastasov
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20031210160946.4110c611.davem@redhat.com \
--to=davem@redhat.com \
--cc=ak@suse.de \
--cc=chester.f.johnson@intel.com \
--cc=ja@ssi.bg \
--cc=kuznet@ms2.inr.ac.ru \
--cc=netdev@oss.sgi.com \
--cc=niv@us.ibm.com \
--cc=ruddk@us.ibm.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).