Gentoo Archives: gentoo-performance

From: Miguel Sousa Filipe <miguel.filipe@×××××.com>
To: gentoo-performance@l.g.o
Subject: Re: [gentoo-performance] TCP perfomance
Date: Fri, 06 Jun 2008 17:07:20
Message-Id: f058a9c30806061007r5a6796c2mee99d4b966043c29@mail.gmail.com
In Reply to: [gentoo-performance] TCP perfomance by Kevin Faulkner
There is no such thing has a TCP timestamp:
http://freebie.fatpipe.org/~mjb/Drawings/TCP_Header.png

so, that doesn't make any sense...

On Fri, Jun 6, 2008 at 5:41 PM, Kevin Faulkner <kevlar.kernel@×××××.com> wrote:
> Yes, I also forgot that I had been subscribed to this list. > To get a topic going I was at work and I argued that we should disable TCP > timestamps. I was discussing in a meeting that this would cut back (perhaps > very slightly) on the amount of work that the system has to do before > sending a packet out. In a high traffic system (like a file server or a mail > server or in my case a Oracle Database), not having to throw this on every > packet should increase performance ever so slightly. Disabling this would > benefit security, as the attacker would not be able to gather the up time > from the targeted system. > Like I said this might be a slight increase, but its an increase > none-the-less, and when you have a DBA crying about poor network speed or > IO, or the system is too heavily loaded, then this keeps him quiet for a few > days. :) > Any thoughts??? > -- > gentoo-performance@l.g.o mailing list > >
-- Miguel Sousa Filipe -- gentoo-performance@l.g.o mailing list

Replies

Subject Author
Re: [gentoo-performance] TCP perfomance Kevin Faulkner <kevlar.kernel@×××××.com>