Hyperscalers like Microsoft – which makes Azure available in 140 countries – also have other disaster recovery plans in place, from management of roles across fault domains to automated failover of user traffic to another region if the user’s region fails to enabling users to geo-replicate Azure Storage to secondary regions . For Facebook, with its 2.1 billion users and global datacenters in places ranging from Santa Clara, California and Ashburn, Virginia to Lulea, Sweden and Odense, Denmark, disaster recovery is not only crucial to its operations, but it’s something the giant social ne
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