AWS re:Invent 2018: Architecture Patterns for Multi-Region Active-Active Applications (ARC209-R2)
Why the open web links it
Explores architecture patterns for building highly available, multi-region active-active applications on AWS.
Linked by 3 independent sites, 2 of them widely read in the 2026-10 crawl of the open web, including amazon.com, classmethod.jp, mingdaoschool.com.