Web Cache also called a proxy server. The Server has its own storage and keeps copies of recently requested objects in this storage.
Figure below shows an example.
Note that a cache is both a server and a client at the same time.
Advantages of web cache are:-
1) Web cache can substantially reduce the response time for the client request.
2) Web cache can substantially reduce traffic on an institutional's access link to the Internet.
By reducing traffic ,the institution does not have to upgrade bandwidth , there by reducing
costs.
Usually Web Cache is installed by Internet Service provider.
Figure below shows cache added to the institutional network.
These are some of the features of Web Caching.
Please refer Conditional GET post for more information regarding if the requested contents in the cache are up to date.
Figure below shows an example.
Note that a cache is both a server and a client at the same time.
Advantages of web cache are:-
1) Web cache can substantially reduce the response time for the client request.
2) Web cache can substantially reduce traffic on an institutional's access link to the Internet.
By reducing traffic ,the institution does not have to upgrade bandwidth , there by reducing
costs.
Usually Web Cache is installed by Internet Service provider.
Figure below shows cache added to the institutional network.
Please refer Conditional GET post for more information regarding if the requested contents in the cache are up to date.
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