A Provably Secure, Efficient and Flexible Authentication Scheme for Ad hoc Wireless Sensor Networks

A Provably Secure, Efficient and Flexible Authentication Scheme for Ad hoc Wireless Sensor Networks Smart card-based authentication scheme for heterogeneous ad hoc wireless sensor network. This scheme is very efficient since it employs only hash function and XOR operation. However, we found that Turkanovic et al.’s scheme is vulnerable to impersonation attack with node capture, stolen smart card attack, sensor node spoofing attack, stolen verifier attack, and fails to ensure backward secrecy. We propose an efficient scheme to overcome all those weaknesses. Moreover, an advanced scheme is proposed, which provides…

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Optimizing Video Request Routing in Mobile Networks with Built-in Content Caching

Optimizing Video Request Routing in Mobile Networks with Built-in Content Caching DOWNLOAD PROJECT SYNOPSIS Built-in content caching in mobile core networks can help improve quality of service, reduce operation expenses, simplify inter-network cooperation, and thus is a promising approach for more efficient networking architectures. In addition to the complexity of content placement as revealed in the literature, routing video requests remains a challenging issue. Two problems must be addressed: (i) how to distribute video requests among multiple internal servers (i.e., server selection); and (ii) how to route so-generated video flows…

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