At-least-Once Delivery (Outbox Pattern)

📕 Articles

• Sending Reliable Event Notifications with Transactional Outbox Pattern
• At-least-once Delivery - cloudcomputingpatterns.org
• The Outbox Pattern - Kamil Grzybek
• The Outbox Pattern in Event-Driven ASP.NET Core Microservice Architectures
• Refactoring Towards Resilience: Evaluating Coupling
• A better domain events pattern
• Outbox Pattern for Microservices Architectures
• Outbox, Inbox patterns and delivery guarantees explained
• Outbox Pattern: Reliably Save State & Publish Events
• Handling Duplicate Messages (Idempotent Consumers)
• CAP: Event Bus & Outbox Pattern
• Reliable Microservices Data Exchange With the Outbox Pattern
• Implementing the Outbox Pattern Using Hangfire and MediatR CQRS Handlers
• Push-based Outbox Pattern with Postgres Logical Replication
• Microservices 101: Transactional Outbox and Inbox
• Message delivery and deduplication strategies
• How Postgres sequences issues can impact your messaging guarantees
• How to get all messages through Postgres logical replication
• What happens if we lose some event(s) during transaction?
• Receive modes in Azure Service Bus
• Duplicate detection
• What does idempotent mean in software systems?
• Transactional outbox pattern meets distributed tracing and OpenTelemetry
• Saga Orchestration for Microservices Using the Outbox Pattern ⭐

📺 Videos

• Reliably Save State & Publish Events (Outbox Pattern)
• CAP: Event Bus & Outbox Pattern
• Inbox & Outbox pattern - transactional message processing [Microservices .NET]
• [Stream Archive | 2020-03-27] Start event driven integration between services (feat. outbox pattern)
• [Stream Archive | 2020-04-10] Implementing the outbox message publisher
• [Stream Archive | 2020-04-17] Continuing the outbox message publisher and adding a fallback
• Event-driven integration #1 - Intro to the transactional outbox pattern [ASPF02O|E040]
• Event-driven integration #4 - Outbox publisher (feat. IHostedService & Channels) [ASPF02O|E043]
• Outbox meets change data capture (feat. .NET, PostgreSQL, Kafka and Debezium)
• Outbox meets change data capture - hooking into the Write-Ahead Log (feat. .NET, PostgreSQL & Kafka)
• MassTransit - The New Transactional Outbox

📦 Libraries

• oskardudycz/PostgresOutboxPatternWithCDC.NET - PoC of doing Outbox Pattern with CDC and .NET
• cfrenzel/Eventfully - Lightweight Reliable Messaging Framework using Outbox Pattern / EFCore / AzureServiceBus

🚀 Samples

• joaofbantunes/PostgresChangeDataCaptureOutboxSample - Tiny event driven sample application, using change data capture, via Npgsql, to help implement the outbox pattern
• seralaci/dotnet-microservices-data-exchange-with-outbox-pattern-debezium - True Atomic Microservices Implementation with Debezium and Outbox Pattern to Ensure Data Consistency.
• oskardudycz/kafka-connect
• bozd4g/FB.TransactionalOutbox - A sample Transactional Outbox Pattern implementation written with .NET Core.
• joaofbantunes/OutboxPatternMeetsOpenTelemetrySample