Date: Tue, 01 Aug 2006 09:24:41 -0400 From: Xiao-Yong Jin <xj2106@columbia.edu> To: freebsd-questions@freebsd.org Subject: Re: Gotta start somewhere ... how many of us are really out there? Message-ID: <87lkq8k2qu.fsf@photon.homelinux.org> In-Reply-To: <ef10de9a0608010121j154c7ael7ece0997a479572e@mail.gmail.com> (Nikolas Britton's message of "Tue, 1 Aug 2006 03:21:14 -0500") References: <20060728164526.E27679@ganymede.hub.org> <87slklj9hu.fsf@photon.homelinux.org> <20060729021007.F27679@ganymede.hub.org> <44CD41EC.6030605@freebsd.org> <20060730233839.I27679@ganymede.hub.org> <44CDAA98.3030702@freebsd.org> <44CDE02F.4090604@dial.pipex.com> <44CE7DD0.9070902@childeric.freeserve.co.uk> <871ws1v261.fsf@photon.homelinux.org> <20060731220830.B27679@ganymede.hub.org> <ef10de9a0608010121j154c7ael7ece0997a479572e@mail.gmail.com>
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"Nikolas Britton" <nikolas.britton@gmail.com> writes: > Generating a unique anonymous key is easy, proving why we need it is not. > That's how we can tell the differences between server to server. > Ok, here it is, " ifconfig | sha256 | md5 ". 16^32 unique anonymous > keys. Every host needs to have a NIC to send results so all ifconfig > outputs will be different. Now... What does this solve and why do we > need to add 32 extra bytes? > I guess we are not suppose to generate the key from ifconfig, which will change in some circumstances. > (20 + 32) bytes * (10^7) = 495.910645 megabytes. The FreeBSD team > would need a 6.6Mbit/s uplink to handle peak load assuming 50% of the > hosts are set to UTC/GMT time and all trigger within 5 minutes of each > other.... I'm not going to pay for that connection. > That IS the problem. What about randomize it in a certain interval? > -- > BSD Podcasts @: > http://bsdtalk.blogspot.com/ > http://freebsdforall.blogspot.com/ > > -- Xiao-Yong
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