text: Figure 2-2 IBM PowerVC 
  
  Around 2011, Container technology started to be a strong player in the cloud arena, which is 
  a method to package an application in a box so it can be run with its dependencies, isolated 
  from other applications. For more information, see 2.3, “Containers” on page 19. 
  
  A year later, Docker Containers exploded in popularity, but one thing was missing: the 
  thorough view and management of the entire environment. 