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Re: Toward faster international server selection using clever DNS.

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On 03/17/2012 06:36 AM, Roedy Green wrote:
> When you type google.com you get sent to google.ca if you live in
> Canada.  I presume this works by your request going to google.com in
> the USA, where it then figures out you are from Canada and sends back
> a redirect,  then you resend your request to google.ca a server in
> Canada.  Is that correct?
>
> blogger.com (owned by google) has just started doing this variable
> suffix thing too.  All kinds of large companies use this sort of
> logic.  Sometimes you must manually select your region.  It strikes me
> as inefficient. If the head office is in Taiwan, it is quite slow
> (e.g. motherboard manufacturers).
>
> What should happen is the DNS routers in Canada should direct
> google.global requests to google.ca. and in the USA to google.com.
> You should be able to bypass the country server selector with a
> specific google.ca request.
>
> Does it actually work roughly this way already? if not, why? It is
> just the inertia holding back extending DNS software in all the
> world's servers?

<http://www.zytrax.com/books/dns/>
<http://tools.ietf.org/html/rfc3439>

>
> If it does not work this way, or when the server uses the redirect
> method,  it suggests I can be kind to my clients in my JSP (the Java
> topic tie) by localising links to global enterprises in the generated
> HTML so they go directly.
>
> For example, on every page in the Java glossary is a link to google
> that lets you find more information about the topic of the page. This
> link could be localised if I were using JSP to dynamically generate
> the page.

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Thread

Toward faster international server selection using clever DNS. Roedy Green <see_website@mindprod.com.invalid> - 2012-03-17 03:36 -0700
  Re: Toward faster international server selection using clever DNS. Jeff Higgins <jeff@invalid.invalid> - 2012-03-17 08:17 -0400
  Re: Toward faster international server selection using clever DNS. Roedy Green <see_website@mindprod.com.invalid> - 2012-03-17 05:45 -0700
  Re: Toward faster international server selection using clever DNS. Joshua Cranmer <Pidgeot18@verizon.invalid> - 2012-03-17 09:08 -0500
    Re: Toward faster international server selection using clever DNS. Roedy Green <see_website@mindprod.com.invalid> - 2012-03-18 19:46 -0700
      Re: Toward faster international server selection using clever DNS. Joshua Cranmer <Pidgeot18@verizon.invalid> - 2012-03-19 22:23 -0500
      Re: Toward faster international server selection using clever DNS. RedGrittyBrick <RedGrittyBrick@spamweary.invalid> - 2012-03-27 14:51 +0100

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