[mirrorbrain] Re: [Systems] Content Delivery Network is in production

From: Tomeu Vizoso <tomeu_at_sugarlabs.org>
Date: Mon, 12 Oct 2009 10:41:50 +0100
On Sun, Oct 11, 2009 at 22:41, David Farning <dfarning_at_sugarlabs.org> wrote:
> For the last couple of week, we have been working with Peter Pöml to
> set up mirrorbrain as the content deliver network for Sugar Labs.
> There are a number advantages for using a content delivery network.
> 1. Usability -  We can  remove the mirror information from
> http://wiki.sugarlabs.org/go/Sugar_on_a_Stick/Strawberry#Download_locations
> .  All a _user_ has to worry about is the single
> http://download.sugarlabs.org location , redirection to individual
> mirrors is invisible to the user.
> 2. Scalability - Rather that increasing the bandwidth or throughput on
> a primary sl.org machine we can distribute the load across a system of
> mirrors.  Mirrors are a very well understood concept in free software
> delivery.  Mirrorbrain is used by both opensuse and open office with
> loads 2 orders of magnitutide above Sugar Labs' loads.
> 3. Locality - Mirrorbrain uses geoip for to determine the physical
> location of downloader and mirrors.  Mirrorbrain can determine the
> most appropriate mirror for a given download.
> Any traffic going through htp://download.sugarlabs.org (including
> activity bundles) will be served through the content delivery network.

Seems to be working pretty well from here in Portugal, download.sl.o
gets redirected to download2.sl.o (solarsail _at_ MIT?) and utwente.nl.
Both max out my connection (1.2 MB/s).



«Sugar Labs is anyone who participates in improving and using Sugar.
What Sugar Labs does is determined by the participants.» - David

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Received on Tue Oct 20 2009 - 15:37:07 GMT

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