关键词: 天地一体化网络, 接入认证, 切换认证, 性能分析

Abstract:

In space-ground integrated information network, in order to ensure the node identity, access and handover authentication are required. However, the implementation of the authentication mechanism will affect the network performance, so this article makes a quantitative analysis of the overall performance of various authentication scheme combinations. A network authentication and node communication model are established, six authentication protocols are defined, and four typical authentication combination schemes are given. Two performance evaluation indicators are defined, including average authentication delay and average authentication overhead. The calculation methods of single authentication delay, single authentication overhead, authentication and handover probability are given. The performances of the authentication combination schemes are quantified under different access durations and arrival rate.

Key words: space-ground integrated information network, access authentication, handoff authentication, performance analysis