To achieve maximum availability for a SaaS (Software as a Service) provider, you would typically implement an "active-active" site configuration. In an active-active setup, you have multiple data centers or server locations that are all actively serving traffic simultaneously. This setup ensures that if one data center or site experiences an issue or goes down, the other(s) can continue to provide the service without disruption.
So, the correct answer is:
B. An active-active site
This configuration provides the highest level of availability and is often used by SaaS providers to maintain service availability even during unexpected events or failures.
For organizations that have stringent availability requirements, they may choose to deploy
redundant resources in multiple regions, allowing for continuous operation even in the event
of an entire region failure. This configuration is called a site mirror. A mirror can be configured
in one of two ways.
One way is in an active-standby or hot-standby configuration, where one region functions
as the primary or active region and all data is continuously and immediately replicated to
the secondary or standby region. In case of a primary site failure, the mirror can assume
processing. The other way is an active-active configuration, where both regions are actively
used simultaneously.
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Pongsathorn
10 months, 4 weeks agoTomtom11
11 months, 2 weeks ago