Apache Airavata Security Manager: Authentication and Authorization Implementations for a Multi-Tenant eScience Framework Supun Nakandala Pervasive Technology Institute Indiana University, USA snakanda@iu.edu Hasini Gunasinghe Computer Science Purdue University, USA huralai@purdue.edu Suresh Marru Pervasive Technology Institute Indiana University, USA smarru@iu.edu Marlon Pierce Pervasive Technology Institute Indiana University, USA marpierc@iu.edu Abstract—eScience middleware frameworks integrating multi- ple virtual organizations must incorporate comprehensive user identity and access management solutions. In this paper we examine usage patterns for these systems and map the patterns to widely used security standards and approaches. We focus on sci- ence gateways, a class of distributed s

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