理学 网络防护 释 virtual private network; VPN 虚拟专用网 利用开放性公共网络的基础设施，通过加密、认证和封装等技术为用户创建一条专用隧道，实现不同网络之间和用户同网络之间的安全连接，为用户提供与专用网络等效的安全和功能保障的技术。
网络与数据通信 网络管理与安全 释文 virtual private network, VPN 虚拟专用网络
- commutative binary composition
- commutative center
- commutative cochain
- commutative composition
- commutative convergence
- commutative diagram
- commutative elements
- commutative extension
- commutative field
- commutative graded algebra
- commutative group
- commutative group object
- commutative groupoid
- commutative group scheme
- commutative half-algebra
- commutative hypergroup
- commutative identity
- commutative lattice
- commutative law
- commutative law of addition
- commutative law of multiplication
- commutative Lie algebra
- commutative Lie group
- commutative Lie ring
- commutative loop