QoS is provided by ATM switch on cell level, but in order to provide QoS to applications, ATM layer protocol, AAL protocols and other high layer protocols should be implemented in the teminal.是什么意思_QoS is provided by ATM switch on cell level, but in order to provide QoS to applications, ATM layer protocol, AAL protocols and other high layer protocols should be implemented in the teminal.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句