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.
How Often Crested Butte Has Cold Temperatures. Crested Butte has plenty of cold weather. Most nights have freezing temperatures. Frost can happen any month of the year. Winter nights are usually down to 10 Â°F and often as cold as 0 Â°F or even less. From November to April, the city averages 76 nights with 0 Â°F and negative temperatures.