As the espousal pace of Web Service technology has increased, so does the requirement for efficient Web Service development such as competent mechanism for discovery, monitoring, and composition etc. are obvious. In our opinion, the efficacy of Web Service development can be achieved only if the potency of two facets i.e. 1) Quality Attributes along with the functional requirements of Web Services and 2) advantages of the foundational architecture of Web Services i.e. Service-Oriented Architecture are recognized at their peak. For Web Services operated over the heterogeneous widespread network, the Quality Attributes are of principal importance, especially, when selecting one service out of many similar services. Till date, several Quality Attribute and their measuring methods have been published in the literature for SOA-based Web Services but none of them have discussed the Quality Attributes, their available different system of measurements, tradeoffs, tools, and standards altogether. Here, this paper presents a Systematic Literature Review on Quality-of-Service for Service-Oriented Architecture-based Web Services by addressing six significant research questions using a fine review protocol. This paper reviews the varied definitions, metrics, issues and challenges, standards and future directions of Quality-of-Service attributes for SOA based Web Services.

Quality Attribute; Quality Metric; Quality-of-Service (QoS); Service-Oriented Architecture (SOA); Web Services

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