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| Symbol | Description |
|
| P | Types of services to cache |
| Q | The number of servers that process booking shared stadium in the edge domain |
| P | {1,…,p}, the set of services |
| Q | {1,…,q}, the set of edge servers |
| Cf | Total CPU frequency |
| δmn | m ∈ P, n ∈ Q, direct request arrival rate of service m on edge server n |
| μm | m ∈ P, service rate coefficient for service m |
| Lm | m ∈ P, cloud computing latency for service m |
| lm | m ∈ P, inner-domain forwarding latency of service m |
| Thm | m ∈ P, minimum resources for service m operation |
| ωm | m ∈ P, the weight of service m |
| taskm | m ∈ P, total task arrival rate of service m in edge domain |
| amn | m ∈ P, n ∈ Q, cache decision variable |
| emn | m ∈ P, n ∈ Q, arrival rate adjustment decision variable |
| ESfmn | m ∈ P, n ∈ Q, resource allocation decision variable |
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