The Flip Feng Shui attack method: question and answer

On August the 10th researchers of the Vrije Universiteit Amsterdam and the Katholieke Universteit Leuven published the Flip Feng Shui attack method. Using this attack method virtual servers can be attacked using an (other) virtual server on the same physical host. Available below is an extensive "question and answer" on the Flip Feng Shui attack method, including perspective for action for owners of hosts.