Cloud service providers invest in the necessary infrastructure and management systems, and in return receive a time-based or usage-based fee from end users [17]. Cloud computing is emerging today as a commercial infrastructure that eliminates the need for maintaining expensive computing hardware.
Area: 9,400,000 sq.km. Population: 2.5 million people. Population density: o.4/sq. km or less than 1 person per sq mi. Sahara is the largest non-polar desert and the hottest of the sub-tropical deserts in the world. The desert can be estimated nearly as large as USA or China. Sahara covers most of the north-Africa under its belt by bordering with Red Sea, touching Mediterranean coasts to Atlantic shelves.
Some of the world's largest deserts are cold deserts located at one of the Earths poles or in a cold area of the world. One thing is for sure, deserts are dry and barren places. Go here for more information on the desert habitat.alahari Desert. The Kalahari Desert is located in Southern Africa. Like many deserts, it has large temperature swings, with temperatures dropping to zero at night and then rising to above 40 degrees C (104 degrees F) in the day.