Date Added: Aug 2012
Communication is the important part in any type of network for making it possible to transfer data from one node to another. Communication needs quality and security for better performance and for acceptance of users and client companies. Quality is dependent on size and some other factors of network but security is very concern parameter in network as it is independent of network size and complexity. Security has become more important to personal computer users, organizations, and the military. Security became a major concern with the advent of internet and the history of security allows a better understanding of the emergence of security technology. The internet structure itself allowed for many security threats to occur.