Centralized web caching
means all the users access to one centralized cache, which saves all the
browsing history. When a user requests a
URL through a browser, it takes the hostname component of the user and
translates the hostname into an IP address.
A HTTP session is opened for respective address, and then the client
requests the URL from the particular server.
In
this method, the cache acts as a representative for the client; it opens a
session to the server mentioned in the URL, and attempts a direct transfer to
the cache. But this centralized caching
mechanism has several problems such as security issues.
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