Now-a-days, quality of cloud computing services, along with its proper service management, is one of the most important aspects of cloud computing model. Because of that, the cloud computing system can fulfill the need of users in a better way. To fulfill the need of cloud services quality, an evaluation series of quality standards are to be considered. Some of the most important standards have been considered while others are still under identification or under development. Here a series of indicators is to be identified with an objective to guide the development of cloud service related products. Specification of high quality requirements and the evaluation of quality characteristics shall also be a part of this process.