However, majority of these researches for the bandwidth smoothing mechanism are based on the quality-of-service (QoS) network and can not be implemented on best-effort network.

• 然而，现有的频宽平顺机制的研究，多半都是建立在有保障服务品质的网路环境的假设之上，无法应用在尽力而为的网路环境。