Tag Archives: netflix

Netflix 對 Landing Page 的效能改善計畫...

幹掉 React (噗): Removing client-side React.js (but keeping it on the server) resulted in a 50% performance improvement on our landing page pic.twitter.com/vM7JhWhYKu — Netflix UI Engineers (@NetflixUIE) October 26, 2017 官方帳號丟戰文出來... 後面就有人開始亂 XDDD everyone keeps talking about this PlainJS … Continue reading

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Netflix 在美國漲價

Okay,所以 Netflix 在美國的價錢漲了:「Netflix Is Increasing Its Monthly Subscription Cost」。 基本版不變: The basic streaming plan, which only allows for streaming on only one screen at a time, will remain at $7.99 a month. 雙螢幕版漲 $1 變成 $10.99: The company’s most popular … Continue reading

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Netflix 對於拍攝影片的要求

Netflix 對於拍攝影片的要求直接放在網站上:「Production and Post-Production Requirements v2.1」。 Provide a set of technical requirements for production and post-production workflows to ensure that a high level of quality is maintained throughout the lifecycle of a project from capture to archive. This serves the … Continue reading

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Netflix 的 BetterTLS,推廣 CA 的 Name Constraints

Netflix 因為想用 Name Constraints,所以決定自己跳出來推廣了:「BetterTLS - A Name Constraints test suite for HTTPS clients」。 就是在 CA 上可以綁定條件,只允許哪些 domain 可以被發放: 網站在「BetterTLS: Name Constraints」這邊可以看。

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利用 Side-channel 資訊判斷被 HTTPS 保護的 Netflix 影片資訊

在「Netflix found to leak information on HTTPS-protected videos」這篇看到了研究員透過 VBR 所透露出的 side channel 資訊,成功的取得了被 HTTPS 保護的 Netflix 影片資訊。這對於美國的 ISP 是個大利多 (加上之前通過的法案),但對於個人隱私則是嚴重的打擊。 這項研究的準確率非常高: To support our analysis, we created a fingerprint database comprised of 42,027 Netflix videos. Given this collection of fingerprints, … Continue reading

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所以 Netflix 也往 Google Cloud Platform 嘗試了...

看到「Netflix Security Monkey on Google Cloud Platform」這則消息,看起來 Netflix 也往 Google Cloud Platform 在嘗試了。 Netflix Security Monkey 本來是對 AWS 分析,現在則是開始支援 GCP (雖然還在 beta): Security Monkey monitors policy changes and alerts on insecure configurations in an AWS account. While Security Monkey’s main … Continue reading

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YouTube 開始與內容商合作,推出 YouTube TV 服務

YouTube 推出 YouTube TV 服務:「Finally, live TV made for you」。 直接打了幾個大頻道,尤其是運動類的頻道: Live TV streaming from ABC, CBS, FOX, NBC, ESPN, regional sports networks and dozens of popular cable networks. 比較完整的頻道資訊可以參考這張: 可以錄影: A cloud DVR, with no storage limits. 跨電腦、平板與手機: A … Continue reading

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服務當掉後的偵測

CNN 這篇「Netflix goes down. Twitter blows up」提到了昨天 Netflix 當了好幾個小時的情況。裡面提到了 Down Detector 這個服務: Downdetector -- which monitors outage complaints online -- reported more than 13,000 posts from users all over the world Saturday afternoon. 到 Down Detector 網站上看,這個服務有一部份是從 social network 上挖資料: … Continue reading

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Netflix 的 Open Connect 架構

在「研究人员绘制Netflix CDN服务器位置图」這邊看到在討論 Netflix 的 Open Connect 架構,也就是 Netflix 自己的 CDN 架構。引用的論文是「Open Connect Everywhere: A Glimpse at the Internet Ecosystem through the Lens of the Netflix CDN」這篇。 翻了一下論文,看起來還是頗傳統的方法,從一堆伺服器去 query 找出來: Indeed, Netflix server domain names are too specific, i.e., including details … Continue reading

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Netflix 開發的 Delayed Queue

原來這個叫做 Delayed Queue,難怪之前用其他關鍵字都找不到什麼資料... (就不講其他關鍵字了 XD) Netflix 發表了他們自己所開發的 Delayed Queue:「Distributed delay queues based on Dynomite」。 本來的架構是用 Cassandra + Zookeeper 來做: Traditionally, we have been using a Cassandra based queue recipe along with Zookeeper for distributed locks, since Cassandra is the de … Continue reading

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