This paper pointed the threat faced by Three-Layer MPLS VPN first, then analysis the security of control layer, data layer and management layer, at last gave some advices to keep the system security.
本文首先指出三层MPLS VPN可能受到的安全威胁,然后分析了三层MPLS VPN在数据面、控制面和管理面上的安全性,最后提出保持系统安全的一些建议。
The analysis on reinforcement engineering of Wuzhou Yunlong Bridge indicates that placement layer by layer may effectively lower the Max.
分析了梧州云龙大桥加固工程,说明分层浇筑可以有效降低混凝土内部最高温升。
It will be the foundation for how to consider the scope of soil layer in soil layer response analysis under subway vibration which was calculated by direct finite-element method.
所得的计算成果为在应用有限元法进行土层地铁振动反应计算时确定合理的有限土域范围提供依据。
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