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Advances, Systems and Applications

Table 1 List of the factors that can influence the response time

From: Framework for context-aware computation offloading in mobile cloud computing

Symbol

Description

S

the set of movable services

R

the set of cloud resources

N

the set of networks

V

the expectations of the data transmission rate

vij

the expectation of the data transmission rate between the device in network i and cloud resource j

RTT

the expectations of the round trip time

rttij

the expectation of the round trip time between the device in network i and cloud resource j

C

the changing trends of networks that the device uses

cij

the number of device movements from network i to network j

E

the expectations of the server time for service execution on cloud resources

ekj

the expectation of the server time for service k execution on cloud resource j

D(sk)

the average data traffic for a single invocation of service k

WT

the weight factors