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This paper considers QoS aware mesh networks that are maintained by multiple operators and they cooperate in the provision of networking services to the mesh clients. In order to support mobile users and seamless handover between the access points, the authentication delay has to be reduced. Many proposed fast authentication schemes rely on trust models that are not appropriate in multi-operator environment. Here, the paper proposes two certificate based authentication schemes such that the authentication is performed locally between the access point and the mesh client. The paper considers both powerful and constraint mesh clients and it proposes certificate sets to decrease the authentication latency.
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