delivery of data between computers. A variety of functions can use this connection to provide service to the users. A summary of the functions provided by the current internet system is given in [4].
To assure interoperability between military users of the system, the Office of the Secretary of Defense mandated the use of the TCP/IP protocol suite wherever there is a need for interoperable packet switched communications. This led to the standardization of the protocols [18, 19, 20, 21, 22].