|
| Symbol | Interpretation |
|
| s | The number of types of system microservices |
| nx | Number of x-th microservice deployment instances |
| mx | Number of versions of the x-th microservice implementation |
| nN | The number of cluster deployment nodes |
| MSx | The x-th microservice (x ≤ s) |
| MSx,i | The i-th instance of the x-th microservice (i ≤ nx) |
| Nj | The j-th deployment node in the cluster (j ≤ nN) |
| Bool value, indicating whether the i-th instance of the microservice MSx uses the k-th mirror |
| Bool value, indicating whether the i-th instance of the microservice MSx is deployed at the j-th deployment node |
| The ratio of the number of instances belonging to microservice MSx deployed on Nj to the total number of microservice MSx deployments |
| The ratio of the number of version k instances of microservice MSx deployed on Nj to the total number of microservice MSx deployments |
| Node diversity indicator for microservice MSx |
| Version diversity indicator for microservice MSx |
| CPU resources required to deploy the k-th version instance of the microservice MSx |
| Memory resources required to deploy the k-th version instance of the microservice MSx |
| The CPU resource of the deployment node (x ≤ n) |
| The memory resource of the deployment node Nj |
| The CPU load of the deployment node Nj |
| The memory load of the deployment node Nj |
| The CPU load rate of the deployment node Nj |
| The memory load rate of the deployment node Nj |
| The normalized CPU load rate of the deployment node Nj |
| The normalized memory load rate of the deployment node Nj |
| Average load rate of CPU resource for all deployment nodes |
| Average load rate of memory resource for all deployment nodes |
| The standard deviation of CPU load for the deployment node Nj |
| The standard deviation of memory load for the deployment node Nj |
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