Deductions from the three approaches :

• Deductions from the three approaches :

• While [8] was truly proxy-based, [9] was an hybrid i.e. both Client plug-in and Proxy were required.

• Both [8,9] stated that the HTTP/1.1 Security or rules [1] were broken during implementation.

• The identification/authentication mechanism for users was not clearly explained in both [8,9].