A small college asks you to design a VDC that will span four data centers located within a campus environment. They want to have the VLANs stretched across all four locations. They also require…

A small college asks you to design a VDC that will span four data centers located within a campus environment. They want to have the VLANs stretched across all four locations. They also require stretched clusters spanning pairs of data centers. Which distance networking technology would most cost effectively address their requirements?