Abstract
In this paper, we propose two secure virtual private network architectures for the long-term evolution backhaul network. They are layer 3 Internet protocol (IP) security virtual private network architectures based on Internet key exchange version 2 mobility and multihoming protocol and host identity protocol. Both architectures satisfy a complete set of 3GPP backhaul security requirements such as authentication, authorization, payload encryption, privacy protection, and IP-based attack prevention. The security analysis and simulation results verify that the proposed architectures are capable enough to protect long-term evolution backhaul traffic against various IP-based attacks. Copyright © 2016 John Wiley & Sons, Ltd.
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