Skip to main content

Advances, Systems and Applications

Table 1 List of mathematical notations

From: A multi-objective optimization for resource allocation of emergent demands in cloud computing

Symbol

Annotation

Symbol

Annotation

\( {f}_{i+1}^k \)

the objective value of the i + 1 the individual on the dimension k

vik

the resource demand of the VM vi for k type of resource

Li

the priority of a user’s resource allocation

\( {p}_{jk}^f \)

The free k type of resource of the physical server pj

vi

the i th VM request

N

the initial population size

pj

a physical server

xij

the mapping element between a VM and a PM

MDij

resource performance matching distance

MPij

resource proportion matching distance

ε

the threshold of the distance between two individuals

dij

Euclidean distance of two adjacent i and j individuals