Client browser extracts the hostname from URL, Client browser looks up the IP address for the hostname in DNS, Client HTTP sends a GET request, Client TCP divides data into data packets, Client TCP appends header with port number, Client TCP send SYN request, Client IP appends header with destination IP address, Client hardware converts digital data to analog data, Routers find a path to the destination, Server hardware converts analog data to digital data, Server IP strips header, Server TCP sends SYN ACK response, Client server TCP sends ACK, Server TCP strips header, Server TCP reassembles data from data packets, Server TCP sends data to correct application using port number, Server maps URL to file, Server HTTP sends response, Client browser receives HTTP response, Client browser presents HTML and CSS documents , Client TCP sends FIN request, Server TCP sends ACK and FIN request, Client TCP sends ACK.

HTTP TCP IP

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