In a centralized server VOD architecture, what is true about the number of servers needed?

In a centralized server Video on Demand (VOD) architecture, the number of servers needed is typically smaller than in a distributed architecture. This is because centralized architectures consolidate resources and processing onto fewer servers, which can manage multiple user requests simultaneously. Since all the data is stored in a central location, this setup can reduce redundancy and the overall number of servers required for the distribution of content.

In a distributed architecture, on the other hand, the system relies on multiple servers spread across different locations to ensure content availability and fault tolerance. This design can improve load balancing and access speed for users dispersed geographically, but it also means that more servers are needed to handle the same content reach and failover capabilities.

Thus, the nature of centralized architecture leads to fewer servers due to its focus on efficiency rather than redundancy.