Overhead such as system down time, meetings, and answering e-mail 開銷,如系統(tǒng)當(dāng)機(jī)時間、會議和回復(fù)電子郵件
To be high available, a . core router should allow the insertion and extraction of boards without adversely affecting system operation . also it should allow its system reconfiguration and its fault recovery to take place with no system down time and minimum operator interaction 為了滿足高可用性的要求,核心路由器應(yīng)該支持系統(tǒng)運(yùn)行時的設(shè)備板的插入和拔出,支持在不關(guān)閉系統(tǒng)和操作員干預(yù)盡可能少的情況下的系統(tǒng)重組和恢復(fù),支持對故障的隔離。