Each driver has a characteristic spatial and temporal scale at which it affects ecosystem services and human well-being. Climate change may operate on a spatial scale of a large region; political change may operate at the scale of a nation or a municipal district.
Amazon has several competitors in the electronics and general merchandise segment, many of which are brick and mortar rivals including Best Buy, Family Dollar, RadioShack, Staples, Target, Walmart, Sears, Big Lots, Delia and Systemacs.
It is true that Cisco rarely sues, and it is also true that Arista is a rare competitor, she said. The CEO said that the market is large enough to accommodate both companies. Ullal added that customers will continue to need traditional enterprise technology and also the cloud based technology that Arista provides.