Cloud service architectures fulfil the needs of a particular organization based on their specific requirements, oflate many service architecture have been innovated and conceptualized by the researchers. As cloud administrators it is very important to holistically review these cloud service models, you are advised to review a journal article or conference publication of a reputed conference like IEEE, Springer, Elsevier or any Scopus or SCI indexed publication that is related to cloud computing service architectures, and its use in specific organization. The students are advised to paste at least the first 3 pages of publication as an image in their assignment task clearly showing the abstract and publication information and then write the review with critical reflections, observations, and commentary. (250-300 words)