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Eleventh International Network Conference (INC 2016)
Title: Identity-as-a-Service (IDaaS): A Missing Gap for Moving Enterprise Applications in Inter-Cloud
Author(s): Tri Hoang Vo, Woldemar Fuhrmann, Klaus-Peter Fischer-Hellmann
Keywords: identity as a service; federated identity management; inter-cloud; identity roaming; attribute-based access control, privacy-aware access control
Abstract: Migration of existing enterprise applications to the Cloud requires heavy adaptation effort in individual architectural components of the applications. Existing work has focused on migrating the whole application or a particular component to the Cloud with functional and non-functional aspects. However, none of them has focused so far on the adaptation of web service security. Towards this goal, we focus on the adaptation of web service security for migrating applications from local hosting to the Cloud, and for moving applications in Inter-Cloud environment. Identity-as-a-service (IDaaS) decouples web service security from the business logic as a manageable resource during the life cycle of an application in the Cloud environment. On the other hand, IDaaS provides identity roaming for Cloud users to access multiple service providers on demand, but also preserve user’s privacy. IDaaS coordinates automated trust negotiation between Cloud users, who want to enforce their data privacy, and service providers, who have heterogeneous security policy in federated security domains. In this paper, we first introduce IDaaS with scenarios and new requirements in comparison to traditional Identity Management systems, and propose a brief model for IDaaS.
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