Failover, IP and DNS

Hi

A client of mine want' to have a failover between two data centers
i.e. is one data center (or server) goes down (unreachable) then a similar
server located at another data center can take its place

I explaned to him that there is no way to guarantee a switch over through DNS update because we can't control DNS propagation

So I assume the only way, in the advent of a server loss, was is to configure a router on the main site to redirect connections to the secondary site

any other ideas ?
thanks
yann
Yann ShukorOwnerAsked:
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asavenerCommented:
You need either a local traffic manager or a global traffic manager (depending on whether it's an internal-facing server or an external-facing server).

Look into offerings from DYN, akamai, etc. for public/external facing sites.
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