April 2014
Intermediate to advanced
1176 pages
30h 5m
English
Within a region, Microsoft replicates customer data in real time between at least two data centers. This provides for failover on a planned and unplanned basis (planned being maintenance and unplanned being, well, unplanned). This redundant architecture eliminates a single point of failure. Figure 4.4 shows an example of data replication.
FIGURE 4.4 Example of U.S. data replication.
In addition to the real-time replication of data, Microsoft also performs near real-time replication at the data center at the other side of the region for resiliency and disaster recovery.
Note
Each customer database is also backed up onto ...
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