A Cloud Service Composition Model Based on Virtual Chord Ring and QoS Constraint

Xing Wang; Jing Chen; Qingtao Wu; Mingchuan Zhang; Ruijuan Zheng

The single service always difficult to meet the users personalized requirements in cloud service environments, which needs by means of combining multiple services to provide services for users. This paper proposes a cloud service composition model based on virtual chord ring, and the virtual organization chord rings with QoS constraints as the basis of service composition. The genetic algorithm as the basic algorithm to obtain the global optimal composite service that meets the constraint conditions. The simulation results show that the service composition model not only has the advantage of global search to provide services of satisfying user needs, but also has certain advantages of shortening combination time, speeding up the convergence speed and improving the precision. The service composition model improves the efficiency of service composition.

Select Volume / Issues:

• Volume 7,Issue 2, Mar. 2016

Year:

2016

Type of Publication:

Article

Keywords:

Service Composition; Virtual Organization; QoS Constraints; Genetic Algorithm

Journal:

IJECCE

Volume:

7

Number:

2

Pages:

103-108

Month:

March

ISSN:

2249-071X