Amazon CloudFront and Its Primary and Secondary Origins
Nowadays most of the online contents are web service based. A user accesses a specific content, for example a web page, by connecting their client end application (like a web browser) running on their desktop or mobile computing device to the server that hosts the web page. There are billions of websites and webpages. DNS services, online search engines and links on well known ‘portal’ websites help people to find and locate the contents they would like to visit. A user’s web client device and the server it visits can be worldly apart: for example, let’s think of a user in Tasmania, Australia that uses its smart phone to visit a website hosted on a server that locates in a data centre in Montreal, Canada, which is more than sixteen thousand kilometres away. They are connected by the Internet. The Internet comprises of millions of inter-connected networks. Traffic on the Internet is routed between the users and the servers through those inter-connected networks in-between. Using the ab