Ferrum Cinema is a client to Ticket Co. which would be a server. These two companies formed an extranet to perform business transactions more properly. In order for the two businesses to conduct a business transaction Ferrum Cinema would first need to decide what product from Ticket Co. they would like to purchase. Once that is decided, Ferrum Cinema would then connect to the internet through the VPN (Virtual Private Network) after getting through the firewall of their computers. The VPN will allow the Cinema to place an order through the internet because the now have access to do business with Ticket Co. The information will be sent to Ticket Co. and received after the data passes through Ticket Co.'s firewall. The firewall acts as a security guard and protects Ticket Co. from getting unwanted data like a virus. After the information is passed through the firewall, it will go into the server's data files. Ticket Co. can then give Ferrum Cinema their purchased product.
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