The QoS model for HSNet includes three sorts of service: virtual leased line, assured forwarding and best effort.

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。

youdao

The QoS model for HSNet includes three sorts of service: virtual leased line, assured forwarding and best effort.

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。

youdao