Advances, Systems and Applications
Table 2 Symbols
From: Network perception task migration in cloud-edge fusion computing
Symbols | Descriptions |
|---|---|
V | The set of virtual machines |
S | The set of physical machines |
Vi | A virtual machine |
Si | A physical machine |
G | Network topological dependence graph of virtual machines |
E | Communication correlations between vitual machines |
Load | Resource demand of virtual machines |
Capacity | Resource capacity of physical machines |
Cost | Communication cost of a pair of virtual machines |
Distance, D | Delay of hops between physical machines |
W | Communication demand of virtual machines |
X | Decision variables of virtual machines distribution |
Cost_Com | Communication cost of virtual machines |
Cost_Com_std | Normalized communication cost of virtual machines |
Size | Size of virtual machines |
Cost_Mig | Migration cost of virtual machine migrations |
Cost_Mig_std | Normalized migration cost of virtual machine migrations |
Cost_Total | Total cost of virtual machine migrations, which is weighted sum of the communication |
| Â | cost and the migration cost. |