downloading

							                                                                 App Server1
                        HTTP                                     F   App1
                                                                 e
                                                                 l   App2
                                                                 i
                                                                       Controller
                                                                 x
        (HTTP Load
         Balancer)                                               App Server2
HTTP
                        HTTP                                     F
                                                                     App1
                                                                 e
                                                                 l   App3             App.
                     Load an app.
                                                                 i                  Repository
                                                                       Controller
                                                                 x

                                                                 App Server3
                       HTTP
                                                                 F   App4
                                                                 e
                                                                     App5
       Config               Arvue                                l
                                                                 i     Controller
                          Provisioner             Cloud          x

                                               Provisioner
                     Figure 1. An abstract view of Arvue auto scaler