is an information system that stores user data in many different geographical locations and makes that data available on demand.

CDN(content delivery network)

Explanation:

Content delivery network(CDN) which can as well be regarded as Content Distribution Network helps in acheiving high website performance, it essential in reduction of latency, through making the time a request is made using a website to when the website is fully loaded to be short and Minimal. It important in a situation whereby there is traffic loads from the users as well as server. It should be noted that CDN

is an information system that stores user data in many different geographical locations and makes that data available on demand. CDN's usefulness is also found in Cloud computing network such as Software as a service(SaaS). Google doc is an example.

multicast scope

superscope

failover scope

split-scope