【正文】 ................................................................................................................................ 11 靈活運營 ...................................................................................................................................... 11 可擴展 .......................................................................................................................................... 12 二、 全業(yè)務承載需求 ..................................................................................................................................... 12 廣播類業(yè)務 ........................................................................................................................................ 12 交互類業(yè)務 ........................................................................................................................................ 12 寬帶數據類 ........................................................................................................................................ 12 交易類 ................................................................................................................................................. 13 視訊通信類 ........................................................................................................................................ 13 物聯網類 ............................................................................................................................................ 13 三、 雙向網絡整體設計 ................................................................................................................................. 13 省骨干網 ............................................................................................................................................ 14 數字電視專網 .............................................................................................................................. 14 互動電視專網 .............................................................................................................................. 14 IP網 ............................................................................................................................................. 14 城域網 ................................................................................................................................................. 15 接入網 ................................................................................................................................................. 16 PON................................................................................................................................................ 16 CMTS.............................................................................................................................................. 17 XPON+LAN...................................................................................................................................... 18 XPON+EOC...................................................................................................................................... 18 FTTH.............................................................................................................................................. 19 接入網建設實施指導意見 .......................................................................................................... 19 山東廣電網絡有限公司雙向網絡建設 技術建議 書 山東廣電網絡有限公司 第 3 頁 四、 路由策略 ................................................................................................................................................... 19 路由策略規(guī)劃原則 ........................................................................................................................... 19 高擴展性原則 .............................................................................................................................. 19 簡易性原則 .................................................................................................................................. 20 高可靠性原則 .............................................................................................................................. 20 高安全性原則 .............................................................................................................................. 20 路由策略規(guī)劃內容 ........................................................................................................................... 20 五、 QOS ............................................................................................................................................................ 21 總體要求 ............................................................................................................................................ 21 骨干網 QOS ....................................................................................................................................... 22 城域網骨干 QOS .............................................................................................................................. 22 寬帶接入網 QOS .............................................................................................................................. 22 六、 組播 ........................................................................................................................................................... 23 組播協(xié)議 ............................................................................................................................................ 23 RP 部署原則 ...................................................................................................................................... 23 七、 MPLS.................................................................................................................