Information systems are continually expanding as evidenced by the doubling of Internet connections every year.
Similar growth is exhibited by information systems in defense.
This far-reaching enterprise will necessarily span multiple networks and computing domains that includes those that are commercial and exclusively military. As a result, many users with different goals and priorities vie for the communication and computing resources. Managing this vast system to assure dependable operation that maintains users1 quality of service levels has led researchers to propose what may be the largest and longest running computer simulation. That is, have the network mimic an economy. Economics has always been a factor in engineering.