CDNs are large distributed system of servers housed in data centres spread over a large and diverse geographical location. These servers make use of cache mechanism to store popular content closer to the user.
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Advantages of Content Delivery Network (CDN) Services
Consumers have short attention spans for online content, and network operators such as AT&Tare hoping that behavior will sell businesses on CDN services, such as AT&T CDN, as part of a broader content monetization strategy.