The Edge Latency Promise Breaks the Moment You Need Consistent Writes
"Edge computing will solve your latency problems." — Every cloud vendor ever.
The reality? It might just move them somewhere harder to debug.
I've been building distributed systems for a while now. And every time a new edge platform drops, the marketing follows the same script: deploy closer to your users, cut latency in half, make your app feel instant. It sounds clean. It looks great on diagrams.
But here's what they quietly skip over — edge and global consistency are fundamentally in tension with each other. You can have one easily. Getting both at the same time? That's where the engineering actually starts.
Let's be honest about what edge computing does, what it doesn't do, and how to build systems that are genuinely fast and consistent.
What Edge Computing Actually Promises
Edge computing moves compute and data closer to the user by distributing workloads across geographically dispersed nodes —...
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