IP Security (IPSec) is mandatory for IPv6implementations. Given that IPv6 will be dominated by commercial off the shelf (COTS)software products, many in the DoD community will have a software encryption capability attheir disposal.
1 The lowest monthly average temperature in Fountain Hills for December is 54 degrees. 2  The most monthly precipitation in Fountain Hills occurs in January with 0 inches.  The air quality index in Fountain Hills is 48% worse than the national average.
The park has a semiarid climate with generally mild winters and warm to hot summers. The average annual high temperature is 79Â°F and the average annual low temperature is 47Â°F with a mean annual temperature of 63Â°F. Weather Records from January 1935 to April 2004.