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  1. Proceedings of the 5th ACM workshop on Digital identity management (DIM '09)
  2. Modelling the impact of virtual identities on communication infrastructures
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"Identity & context for a changing world"
Mnikr: reputation construction through human trading of distributed social identities
Privacy-aware identity management for client-side mashup applications
Modelling the impact of virtual identities on communication infrastructures
IC card-based single sign-on system that remains secure under card analysis
Improving the safety and practicality of authorization technology using LOAF
A design of usable and secure access-control APIs for mashup applications
Federation proxy for cross domain identity federation
Using identity credential usage logs to detect anomalous service accesses
Is that really you?: an approach to assure identity without revealing real-name online
User-centric identity governance across domain boundaries
An advanced policy based authorisation infrastructure

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Modelling the impact of virtual identities on communication infrastructures

Content Provider ACM Digital Library
Author Barisch, Marc
Abstract 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.
Starting Page 45
Ending Page 52
Page Count 8
File Format PDF
ISBN 9781605587868
DOI 10.1145/1655028.1655040
Language English
Publisher Association for Computing Machinery (ACM)
Publisher Date 2009-11-13
Publisher Place New York
Access Restriction Subscribed
Subject Keyword Virtual identities Authentication load Aaa performance Identity management
Content Type Text
Resource Type Article
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