| Input: : input individual |
| : feasible DC set for BC and |
| Output: : individual after mutation |
| (1) for do |
| (2) Randomly select one DC in the third part of |
| and change it to one DC with lower electricity price |
| with higher probability in , denotes as |
| (3) if ( is used by ) or ( is used by another BC (such |
| as )) or ( is shared by BC and BC ) then |
| (4) Clear . Assign VMs of BC in to by |
| MFFDOneDC in priority |
| (5) The overflow VMs of , if any, are assigned to other |
| DCs in the order of non-increase order of electricity |
| price in . Inside each DC, the assignment is |
| completed by MFFDOneDC |
| (6) The VMs of originally in are assigned to by |
| MFFDOneDC. |
| (7) The overflow VMs of , if any, are preferentially |
| assigned to , then to other DCs in the order of non-increase |
| order of electricity price in . Inside each |
| DC, the assignment is completed by MFFDOneDC |
| (8) else |
| (9) Place the VMs in by MFFDOneDC |
| (10) end if |
| (11) if All VMs are assigned successfully then |
| (12) Clear the VMs of BC in DC |
| (13) else |
| (14) Remain the original assignment before mutation unchanged |
| (15) end if |
| (16) end for |
