Open, Closed, and Mixed Networks of Queues with Different Classes of Customers
Journal of the ACM (JACM)
An investigation of geographic mapping techniques for internet hosts
Proceedings of the 2001 conference on Applications, technologies, architectures, and protocols for computer communications
Identity management and its support of multilateral security
Computer Networks: The International Journal of Computer and Telecommunications Networking
Capacity Planning for Web Services: metrics, models, and methods
Capacity Planning for Web Services: metrics, models, and methods
Privacy enhancing identity management: protection against re-identification and profiling
Proceedings of the 2005 workshop on Digital identity management
Virtual Identity Framework for Telecom Infrastructures
Wireless Personal Communications: An International Journal
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The virtual identity concept has been introduced to protect the user's privacy towards service providers as well as towards access network providers on a service session basis. So far the concept has been only considered from the security and privacy perspective. However, performance analysis is necessary as well to gain insights into the additional costs and their scaling behavior with respect to signaling load and state management. In this paper we propose an analytical model to evaluate the cost introduced by virtual identities. The model allows to quantify the additional signaling overhead and the additional states created by distributing service sessions of users across several virtual identities. We exemplify the use of the model for an authentication, authorization and accounting (AAA) infrastructure based on EAP-TLS and derive figures on the required signaling bandwidth and state overhead to support the virtual identity concept in various service usage scenarios.