--- title: "Reliability is a Product Decision" url: https://daily.dev/posts/reliability-is-a-product-decision-wpmua7ypy source_url: https://www.erlang-solutions.com/blog/reliability-is-a-product-decision/ type: article source: "Erlang Solutions" published: 2026-03-09T09:14:58.360Z updated: 2026-03-09T09:15:37.178Z tags: ["architecture", "elixir", "distributed-systems"] reading_time: 7 upvotes: 1 comments: 0 language: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # Reliability is a Product Decision **[Erlang Solutions](https://daily.dev/sources/erlangsolutions)** · 7 min read · 1 upvotes · 0 comments ## Summary Reliability in distributed systems is largely determined by early architectural decisions, not post-launch fixes. Choices around service boundaries, coupling, deployment models, and observability compound over time and become business-critical at scale. Research shows ~70% of outages stem from configuration changes, not hardware failures, and downtime can cost enterprises over $300K per hour. The post argues resilience must be designed in from the start, not retrofitted, and briefly highlights Elixir/BEAM as a technology built around fault tolerance and process isolation. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [Reliability Is Not a Feature. It Is a Discipline](https://daily.dev/posts/reliability-is-not-a-feature-it-is-a-discipline-vxcayglay) · Medium · 2 upvotes · 0 comments --- Tags: [#architecture](https://daily.dev/tags/architecture), [#elixir](https://daily.dev/tags/elixir), [#distributed-systems](https://daily.dev/tags/distributed-systems) [View this post on daily.dev](https://daily.dev/posts/reliability-is-a-product-decision-wpmua7ypy)