Proxy servers intermediate between personal computers' traffic and webpages thus establishing a quicker and more efficent access to the internet.
Web proxy server services intermediate in such a way that personal computers which visit common webpages, are experiencing a faster connection compering with those not using a proxy.. This display improval method is based on cache memory where recent searched webpages (from other users) are localy stored (inside AUTH).
Whenever a user configures a web browser to use a proxy-cache server, the following proccess is followed:
- Τhe web browser (Internet Explorer, Mozilla Firefox, Google Chrome etc.) asks the proxy server to fetch him the webpage instead of communicating directly with the remote web server.
- The proxy server searches for the webpage inside its cache and if it finds it stored there, it serves it to the user or else it asks for it from the web server.
- The remote web server sents the webpages to the proxy server.
- Finally, the proxy server returns the pages asked by the browser and it displays them to the user.
This way the user sees the already saved in the proxy webpages faster while the university's bandwidth usage is reduced.