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Edward Muller wrote: |
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> You will need at least 3 ip addresses. One ip for each box and one 'floating' |
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> ip for the services (like http, smtp, pop, etc). Having the boxes at two |
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> separate ISPs is impossible since you won't be able to get them to fail over |
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> the 'floating' ip address, unless they really know what they are doing (both |
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> of them). |
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|
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It's not a matter of the ISP's knowing what they are doing. It's that |
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no ISP will announce a host route, x.x.x.x/32 into BGP. And if any ISP |
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is retarded enough to announce it, no other ISP will accept it. So |
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unless you're prepared to shift at minimum an entire class C, |
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x.x.x.x/24, from one colo to the other any sort of IP sharing scheme is |
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impossible. |
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|
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kashani |
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-- |
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