# Migrating Critical Traffic At Scale with No Downtime — Part 1 - **期号**: SRE Weekly Issue #371(2023-05-07) - **作者**: Shyam Gala, Javier Fernandez-Ivern, Anup Rokkam Pratap, and Devang Shah — Netflix - **链接**: https://netflixtechblog.com/migrating-critical-traffic-at-scale-with-no-downtime-part-1-ba1c7a1c7835 ## 简介 Netflix records and replays live traffic in a testbed environment in order to validate a migration plan before they ever impact real customers. ## 正文 > ⚠️ 抓取失败:HTTP 403