Date: Tue, 29 Jul 2003 17:18:01 -0300 From: jonny@jonny.eng.br (Joao Carlos Mendes Luis) To: jason andrade <jason@rtfmconsult.com> Cc: Ken Smith <kensmith@cse.Buffalo.EDU> Subject: Re: Mirror Site Requirements - Final Draft? Message-ID: <20030729201801.GE23216@roma.coe.ufrj.br> In-Reply-To: <Pine.GSO.4.50.0307291711330.4063-100000@luna.rtfmconsult.com> References: <20030727192724.GA10869@electra.cse.Buffalo.EDU> <20030729083855.B13802@hermwas.is.co.za> <3F261BA1.9070509@jonny.eng.br> <Pine.GSO.4.50.0307291711330.4063-100000@luna.rtfmconsult.com>
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Somebody told me that jason andrade said:
> On Tue, 29 Jul 2003, [ISO-8859-1] João Carlos Mendes Luís wrote:
> Hi Jonny,
>
> > Just notice that geographic distribution is not always equivalent
> > to topological distribution. For example, in South America is much
> > faster to go anywhere in USA or Europe than another South America
> > country. Sometime time ago it was even true for different providers in
>
> [...]
>
> > On the other hand, Brazil has probably lots of free outgoing
> > bandwidth to other countries, and a primary mirror here would not be a
> > very bad idea. No, I'm not candidating, I don't have the resources. :-(
>
> I'd like to add $0.02 here. When i did some research for a paper presented
> by a couple of my collegues for network topology and drivers in the asia
> pacific region one of the observations was there are two trends that develop
> for networking.
>
> o a 'region' or even country might have all its bandwidth routed via the
> US - which is great if you work for a US telco but less so for the
> people buying the links - in general non US sites have to pay for 100%
> of the cost of the international link.. to send bytes to or via the US.
>
> o as 'content' and in particular localized content becomes available then
> there is a push towards a concept of 'local' peering as this starts
> making economic sense. this happens faster when internet penetration
> increases in 'local' areas as clusters of users start wanting to do
> things where latency starts being an issue.
>
> The corollory to this is the dramatic reduction in a lot of places of
> international bandwidth which is encouraging (in the short term) the
> use of international pipes rather than local ones.
It's happening here inside Brazil, but I think there's little
interest in other SA countries around here. Even direct links to
Europe are smaller than I think they should be today.
> So right now it might be that one south american country can talk to
> another only via the US but i would predict this is less likely 1-2 or
> 5 years from now and it will be better to plan for having a south
> american 'tier1/primary' in the future to sync from.
As I said in my first email, I think it may be good to have a
tier1 TODAY in Brazil. We just have to know if there's somebody with
the necessary resources... I don't! (matrix.com.br, where are you?)
Jonny
--
João Carlos Mendes Luís jonny@jonny.eng.br
Networking Engineer jonny@coe.ufrj.br
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