Date Published: April 2020
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This draft guidance presents an initial step toward understanding security challenges in cloud systems by analyzing the access control (AC) considerations in all three cloud service delivery models—Infrastructure as a Service (IaaS), Platform as a Service (PaaS), and Software as a Service (SaaS). Essential characteristics that would affect the Cloud's AC design are also summarized, such as broad network access, resource pooling, rapid elasticity, measured service, and data sharing. Various guidance for AC design of IaaS, PaaS, and SaaS are proposed according to their different characteristics. Recommendations for AC design in different cloud systems are also included to facilitate future implementations. Additionally, potential policy rules are summarized for each cloud system.
NOTE: A call for patent claims is included on page iii of this draft. For additional information, see the Information Technology Laboratory (ITL) Patent Policy--Inclusion of Patents in ITL Publications.
Keywords access control; access control mechanism; Cloud; cloud systems