A large media service aims to stay operational if its primary hosting site goes down. What design approach best ensures service remains accessible in this situation?
Duplicate server hardware in a single data center without outside connections
Use manual checks to identify corruption after each peak usage period at the main site
Store data backups at the same location for quick restoration after downtime
Distribute user traffic and system resources across multiple operating sites to handle failures
To ensure high availability (HA) in the event of a site failure, the system architecture must distribute workloads across multiple operating locations. This approach prevents single points of failure and allows one site to handle user requests if another becomes unavailable. Active-active or active-passive redundancy across data centers ensures that traffic can be rerouted quickly without service interruption. Backup strategies alone do not ensure uptime—they preserve data, not availability. Likewise, hardware duplication within the same facility or manual validation processes cannot protect against large-scale outages that affect the entire environment.
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