Skip to main content

Advances, Systems and Applications

Table 1 Summary of main mathematical notations

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

Notation

Description

N

the number of edge clouds

M

the number of users

L

the set of service composition

\(\eta _{i,j}\)

the \(j^{th}\) QoS parameter corresponding to \(i^{th}\) service component

\(R_l\)

the resource requirements required by service l

\(C_i\)

the total resources in edge cloud i

S

the set of service components

\(\eta _T\)

Throughput parameter

\(\eta _{Lo}\)

Latency parameter

Sta

the stability of the service composition solution

Fit

the fitness of the service composition solution

\(P_{ij}^k(t)\)

the evaporation probability

\(\tau _{ij}\)

the heuristic information value on path (i, j)

\(\tau _0\)

the initial pheromone value

\(\rho\)

the evaporation rate