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.
Winter (December â February) â From the snow at the South Rim to the pleasant desert temperatures at Phantom Ranch, a winter trip in the canyon is an unbelievable experience. Average temperatures on the rim range from a low of 20 ÂºF to a high of 43 ÂºF.