Advances, Systems and Applications
\(\hat {b}_{i}^{m}(t)\) | Actual price for cloud i to buy a type m VM in slot t |
\(\hat {s}_{i}^{m}(t)\) | Actual price for cloud i to sell a type m VM in slot t |
\(\lambda _{\kappa }^{m}(t)\) | The κ highest buy price for type m VMs |
\(\zeta _{\kappa }^{m}(t)\) | The κ lowest buy sell for type m VMs |
\(\overline {\alpha }_{ij}^{m}(t)\) | Available quantity of type m VMs for cloud i to buy from j |
\(\hat {\alpha }_{ij}^{m}(t)\) | Actual quantity of type m VMs for cloud i to buy from j |
\(\hat {\gamma }_{i}^{m}(t)\) | Actual # of type m VMs and corresponding time bought by cloud i, slot t |
\(\hat {\eta }_{i}^{m}(t)\) | Actual # of type m VMs and corresponding time sold by cloud i, slot t |