Tutorvo

Latency Gain: Edge vs Origin Round Trips Weighted by Hit Ratio

Lesson 6 of 815 minLab

This lesson is part of the course

In this lesson

You estimate the time to first byte (TTFB) for Glimmerline's visitors in six regions with and without the CDN, weighting hits and misses, and work out the user-weighted reduction.

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Lessons in this course

  1. Request Hit Ratio vs Byte Hit Ratio by Content TypeLab15 min Locked
  2. Origin Offload: Origin Load in Requests per Second & Servers NeededLab15 min Locked
  3. Tiered Egress Pricing: the Monthly Bandwidth BillLab15 min Locked
  4. Total Cost With vs Without a CDNLab15 min Locked
  5. TTL & Cache-Key Choices: Hit Ratio from Zipf PopularityLab20 min Locked
  6. Latency Gain: Edge vs Origin Round Trips Weighted by Hit RatioLab15 min Locked
  7. Image Optimisation: Bytes Saved by Resizing & FormatLab15 min Locked
  8. Traffic Forecast & the Commit-Contract Decision (Chart)Lab20 min Locked