【正文】 olors are an example of how our design colors can be used, please take note that you should only use one design color group per slide. For specific usage details, refer to the “Typesetting Standard”. 趨勢一 ： 視頻給我的啟示， IPTV還是 OTT？ IPTV ? 固定碼流 ? 組播 ? 寬帶 ? 自適應碼流 ? 單播 ? 超寬帶 Hybrid 視頻 （ IPTV+OTT 視頻） IPTV ＋ +m*n*HSI 1*HDTV+1*VoIP OTT 注 :m=家庭成員數(shù) ,n=互聯(lián)網(wǎng)終端數(shù) .美國每個家庭平均擁有 25個個人電子設備 什么內(nèi)容可填充 20100M帶寬？ HUAWEI TECHNOLOGIES CO., LTD. Huawei proprietary No spread without permission Page 5 Slide title :3235pt Color: R153 G0 B0 Corporate Font : FrutigerNext LT Medium Font to be used by customers and partners : Arial Slide text :2022pt Bullets level 25: 18pt Color:Black Corporate Font : FrutigerNext LT Medium Font to be used by customers and partners : Arial Top right corner for fieldmark, customer or partner logotypes. The following nine groups of colors are an example of how our design colors can be used, please take note that you should only use one design color group per slide. For specific usage details, refer to the “Typesetting Standard”. Netflix: OTT搶占電視機大屏幕成功典范，驅(qū)動流量模型變化 100： 1收斂比 Level3 : 長途骨干 骨干網(wǎng)利用 CDN的應用層組播方案，流量壓力并不大，用于熱門節(jié)目刷新 Comcast：城域接入 Level3的 CDN邊緣服務器將洪流注入 Comcast城域網(wǎng)，導致其城域骨干壓力劇增 互聯(lián)互通節(jié)點 300Mbps （與節(jié) 目刷新相 關） 30Gbps （與用戶數(shù)相關） 網(wǎng)絡瓶頸所在 Netflix海量節(jié)目庫： 10萬部 DVD/藍光， 100TB ? Level3有 18個邊緣節(jié)點， Comcast有 2023萬寬帶用戶，平均每個邊緣節(jié)點覆蓋 100萬用戶 ? 30Gpbs只能滿足 2萬并發(fā)用戶，即目前 2%的寬帶用戶在使用 Netflix已對城域骨干壓力很大 ? 隨著使用率、畫質(zhì)（碼率）、每戶屏幕數(shù)量的提升，單單 Netflix將消耗 10Tpbs城域骨干 付費用戶數(shù)已超 2500萬（ ATT＋ Verizon 才 500萬 IPTV用戶 消耗了美國 20%互聯(lián)網(wǎng)帶寬資源 HUAWEI TECHNOLOGIES CO., LTD. Huawei proprietary No spread without permission Page 6 Slide title :3235pt Color: R153 G0 B0 Corporate Font : FrutigerNext LT Medium Font to be used by customers and partners : Arial Slide text :2022pt Bullets level 25: 18pt Color:Black Corporate Font : FrutigerNext LT Medium Font to be used by customers and partners : Arial Top right corner for fieldmark, customer or partner logotypes. The following nine groups of colors are an example of how our design colors can be used, please take note that you should only use one design color group per slide. For specific usage details, refer to the “Typesetting Standard”. 趨勢二 ： 云時代的業(yè)務體驗該如何定義？ 網(wǎng)絡時延來自封裝轉(zhuǎn)發(fā)時延 +媒質(zhì)傳播時延 +有收斂 節(jié)點 高層協(xié)議處理 時延 +分組隊列 時延 云聯(lián)科技 云游戲 業(yè)務 帶寬 4M,時延 100ms 企業(yè) 統(tǒng)一通信 業(yè)務 時延必須 75ms 語音助理 業(yè)務 時延 你的耐性 … 桌面云 iDataCenter 北美 三地 Cloudunion軟件 華為 數(shù)據(jù)中心 廣東深圳 云聯(lián)服務器群 各地市 IDC 用戶 全球 研發(fā)部 基地 市場部 全球 游戲玩家 宅 游戲玩家 外 Siri軟件 HUAWEI TECHNOLOGIES CO., LTD. Huawei proprietary No spread without permission Page 7 Slide title :3235pt Color: R153 G0 B0 Corporate Font : FrutigerNext LT Medium Font to be used by customers and partners : Arial Slide text :2022pt Bullets level 25: 18pt Color:Black Corporate Font : FrutigerNext LT Medium Font to be used by customers and partners : Arial Top right corner for fieldmark, customer or partner logotypes. The following nine groups of colors are an example of how our design colors can be used, please take note that you should only use one design color group per slide. For specific usage details, refer to the “Typesetting Standard”. Apple: 三屏無縫體驗成功典范 ， iOS5與 iCloud端云協(xié)同 iMessage AirPlay Photo Stream ? iMessage：接管短信系統(tǒng)，應用自行決定網(wǎng)絡連接方案， 統(tǒng)，或 3G MBB 或 WiFi ? AirPlay：接管家庭網(wǎng)絡，應用層自行完成內(nèi)容在不同屏幕之間的切換 ? Photo Stream：接管郵件系統(tǒng)，應用層自行完成內(nèi)容在同一用戶帳號下不同屏幕之間的同步更新 DNS解析時延 TCP鏈接建立時延 HTTP鏈接建立時延 Web Server響應 HTTP請求 的任務隊列等待時延 網(wǎng)頁的 HTML/image/Video /CSS/JavaScript下載時延 瀏覽器渲染時延 總費時： 5秒鐘 總費時： 1秒 “云”側(cè)處理時延 “端”側(cè)處理時延 1 2 3 “管”側(cè)處理時延 Now Future 1s 3s 400ms 600ms 300ms 200ms 300ms 600ms 100ms 面向零等待用戶體驗優(yōu)化的“端管云”改善各環(huán)節(jié)時延的解決方案，面向云計算業(yè)務體驗的管道如何構建？ Apple將端云協(xié)同做到極致，但網(wǎng)絡仍是最大短板 HUAWEI TECHNOLOGIES CO., LTD. Huawei proprietary No spread without permission Page 8 Slide title :3235pt Color: R153 G0 B0 Corporate Font : FrutigerNext LT Medium Font to be used by customers and partners : Arial Slide text :2022pt Bullets level 25: 18pt Color:Black Corporate Font : FrutigerNext LT Medium Font to be used by customers and partners : Arial Top right corner for fieldmark, customer or partner logotypes. The following nine groups of colors are an example of how our design colors can be used, please take note that you should only use one design color group per slide. For specific usage details, refer to the “Typesetting Standard”. 趨勢三： 業(yè)務 All HTTP化，終端“一云多屏” iMessage AirPlay Photo Stream 同一業(yè)務可以在不同屏上實現(xiàn)，實現(xiàn)“一云多屏” 業(yè)務逐漸 All HTTP化，所有業(yè)務基于 HTML 實現(xiàn) 業(yè)務類型和實現(xiàn)機制 以前 現(xiàn)在 瀏覽器： HTML4 — 〉 HTML5 Email： SMTP — 〉 HTTP 視頻流媒體 ： RSTP Streaming — 〉 HTTP Streaming 大文件下載： FTP — 〉 HTTP Downloading + FTP 業(yè)務 All HTTP化后，客戶體驗提升，但對網(wǎng)絡提出新要求（帶寬、實時性） HUAWEI TECHNOLOGIES CO., LTD. Huawei proprietary No spread without permission Page 9 Slide title :3235pt Color: R153 G0 B0 Corporate Font : FrutigerNext LT Medium Font to be used by customers and partners : Arial Slide text :2022pt Bullets level 25: 18pt Color:Black Corporate Font : FrutigerNext LT Medium Font to be used by customers and partners : Arial Top right corner for fieldmark, customer or partner logotypes. The following nine groups of colors are an example of how our design colors can be used, please take note that you should only use one design color group per slide. For specific usage details, refer to the “