Assignment Global Access – Content Delivery Networks (CDN)

Download the submission document

.Using an updated Chrome or Microsoft Edge web browser on a desktop or laptop computer:

• Open a new browser window
• Enable “Developer Tools”, select the “Network” tab, and “Media” content
• See the guide for enabling “Developer Tool.”
• Network and Media selected
• Copy and paste the following URLs (One at a time!) into your tab with “Developer Tools” activated:
• For each site visit capture how much time (in milliseconds (e.g. 800ms), seconds (e.g. 37.17s), or minutes (e.g. 1.1 min) it takes for the “sample100.mp4” file to load. Populate the submission document under “Attempt 1”. Include a screenshot of your full browser window (example
• ), showing the URL, video, and relevant section of Developer Tools.
• Tips:
• You may need to click “play” on the video for the content to fully download.
• Make sure the video reaches the end before capturing your screenshot to ensure the download is complete.
• Do not open all the links in different tabs. Your browser may stop playing.
• Visit this
• which is providing global access to the video hosted in Africa. Again, capture the time and take a screenshot.
• How does this speed compare with the Africa speed from before?
• Visit this
• which is also caching content. Again, capture the time and take a screenshot.
• How does this speed compare with the previous
• Watch this
• about Netflix’s distribution architecture
• Answer the questions on the submission document
• Check your submission document. Make sure:
• You have visited all sites
• Recorded the time for each site
• Captured a screenshot of each visit
• Answered the questions
• Submit your assignment below as a PDF

For fun and additional learning

If you really want to see stark differences, check out these longer videos with larger file sizes for comparison: