Create cracking-the-pubsub-code.md

_talks/cracking-the-pubsub-code.md

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+---
+level:
+- Intermediate
+tags:
+- Elixir
+- History, Innovation & Sustainability
+- Phoenix
+- LiveView
+title: Cracking the PubSub Code: Elixir's Key to Scalable Real-Time Systems
+speakers:
+- _participants/alvaro-callero.md
+published: true
+
+---
+This talk explores the inner workings of PubSub and its crucial role in building scalable, fault-tolerant, and real-time systems.
+
+It begins with an introduction to the Publisher/Subscriber pattern, highlighting how it decouples services and facilitates efficient message broadcasting in distributed architectures.
+
+The session then delves into Phoenix.PubSub, showing how it powers real-time features in LiveView and handles clustering across multiple nodes.
+
+Two hands-on examples will demonstrate PubSub in action: a GenServer broadcasting state across nodes using libCluster, and real-time updates between LiveComponents and LiveView.
+
+Perfect for Elixir developers looking to master PubSub and build resilient, scalable applications.
+
+**OBJECTIVES:**
+The talk aims to provide a comprehensive understanding of how PubSub works within the Elixir ecosystem and why mastering it is essential for building scalable, fault-tolerant, and real-time systems. It seeks to demystify the Publisher/Subscriber pattern, showing its importance in decoupling services and enabling distributed architectures.
+
+Through real-world examples and practical demonstrations, the talk will empower attendees to effectively leverage Phoenix.PubSub, understand its role in clustering, and implement PubSub to solve real-time communication challenges in their own projects.
+
+**AUDIENCE:**
+This talk is designed for Elixir developers, system architects, and engineers interested in building scalable, fault-tolerant, and real-time applications.
+
+It will particularly benefit those who want to deepen their understanding of PubSub, distributed systems, and real-time communication, as well as anyone looking to optimize their use of Phoenix.PubSub in production environments.