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Advances, Systems and Applications

Table 4 Some aggregation models for QoS values calculation

From: An improved ACO based service composition algorithm in multi-cloud networks

QoS Criteria

Expression

Response Time (RT)

\(\sum _{i=1}^kRT(\eta _{ij})\)

Availability (A)

\(\prod _{i=1}^kA(\eta _{ij})\)

Throughput (T)

\(\sum _{i=1}^kT(\eta _{ij})\)

Latency (Lo)

\(\sum _{i=1}^kLo(\eta _{ij})\)