Let me say something.
In my opinion,CentOS should change this list.
In fedora,mirror announcement is a single one,and in extra there is a list named mirror discussion.
Well,i think we can make 2 lists for different crowd.
For the facet of register a new mirror,I think we can design a special contact form with captcha,in the form people submit their new mirrors detail.
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Best Regards,
Christopher Meng------'Cicku'
Ambassador/Contributor of Fedora Project and Contributor of GNU.
Blog:http://cicku.me
Social:http://about.me/cicku