This layer’s main concern is to keep human and machine updated with the new information so the main concern was making this communication secure and free from hacks so researchers tried to use already existing protocols like HTTP that is already provides authentication mechanisms for securely sharing resources by which it allows clients to provide their user names and passwords in order to make HTTP request on a server and it is followed with SSL/TLS in order to make sure that the user names and …show more content…
(Guinard, Fischer & Trifa,