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.
High desert areas typically have the greatest diurnal temperature variations. Low lying, humid areas typically have the least. This explains why an area like the Snake River Plain can have high temperatures of 38 Â°C (100 Â°F) during a summer day, and then have lows of 5â10 Â°C (41â50 Â°F).