• 1. 虚拟专线: VLL | OE-VLL | EVP-Line
• 2. 以太网虚拟专线: EVPL | Ethernet Virtual Private Line
• 3. 虚拟专线业务: VPWS | Virtual Private Wire Service

更多释义

• 1.层次式交换网络支持三种类型服务：虚拟专线业务、确保服务和尽力而为。
  The QoS model for HSNet includes three sorts of service: virtual leased line, assured forwarding and best effort.
  dict.yoduao.com
• 2.顾名思义，虚拟专用网络我们可以把它理解成是虚拟出来的企业内部专线。
  As the name implies, the virtual private network we can understand it as a virtual enterprise out of line.
  dict.yoduao.com

©2026 网易公司