A system is provided that allows encrypted content to be distributed to users over a communications network. The liquid propellants are formed from aqueous solutions of solid oxidizers in liquid oxidizers and water soluble liquid fuels and formulated to have a freezing point less than \u221210\xb0 C. The DC power is injected into a tap that is installed between the power supply and a system board using the DC power. If the provisional, traffic priority level is greater than a new traffic priority level the traffic is admitted and rejected if the updated priority level is less than the new traffic priority level. Furthermore, the monitor adjusts the performance level of the computer in response to the real-time sampling of CPU activity and temperature levels.