Queuing model for improving QoS in cloud service discovery

Abstract

One of the fundamental issues in cloud computing is the discovery of cloud services. Given the plethora and range of service offerings in the cloud, a cloud broker is vital in finding the services that meet the functional and nonfunctional requirements of the user. Too much request to the broker increases the waiting time and hence the response time, resulting in a degraded performance. Mathematical formulation using the queuing model is used to show how the response time varies between a single broker system and a multiple broker system in a cloud-computing environment.