A Study of Service Quality in Multi Cloud Computing

  • Sangdo Lee
  • Yongtae ShinEmail author
Conference paper
Part of the Lecture Notes in Electrical Engineering book series (LNEE, volume 474)


Recently, the cloud services have largely increased due to smart working which allows people to work freely anywhere. For this reason, the volume and the types of data have also increased so that it has become an urgent priority to meet the functional requirements for the services. The solution can be cloud service. However, even the cloud services require a method to support the HW resources (e.g., memory, server or network) when the system experiences capacity deficits because of its limited capacity. Thus, so called a ‘multi-clouds’, which allows provision of needed resources by configuring a multiple number of clouds, is necessary. In this study, we present a method of measuring quality and the standard of service level when a multi-cloud service is required due to the limitations of a single-cloud which cannot deal with both capacity and service requirements. By supporting the service with multi-cloud resources that cannot be included in the single-cloud, a better quality service will be provided to the users. When a customer uses a single cloud, the service provider will not be able to provide unlimited service due to the limitation of available resources. The multi-cloud system can deal with this problem but a suitable quality assurance method should be secured as well. In the study, we have conducted a research on the method of securing improved SLA for multi-clouds.


Cloud computing Multi-cloud SLA Single cloud 



The first draft part of this paper [10] was presented Oral Session in International Conference on Hybrid Information Technology (2012). This paper is an extension of the conference connect paper.


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Copyright information

© Springer Nature Singapore Pte Ltd. 2018

Authors and Affiliations

  1. 1.Department of Computer Science and EngineeringSoongsil UniversitySeoulRepublic of Korea

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