CQRS · Domain Driven Design

Asynchronous APIs and CloudEvents in messaging architectures

Table of contents Prologue Asynchronous Api CloudEvent Specification: a common format for messages Commands/Events and Horizontal scaling with Competing Consumers pattern Failure Tolerance CQRS and how to handle the reads synchronously Prologue In this article I will discuss an architectural approach I usually follow when I design Apis and distributed messaging architectures. The architecture is… Continue reading Asynchronous APIs and CloudEvents in messaging architectures

CQRS · Domain Driven Design · Event Sourcing · Software Architecture

Distributed Architecture: 3 Steps

Here is my view implementing business requirements with DDD, Event Sourcing and CQRS. Ingestion Processing CQRS and Data Distribution Applying the same 3 steps for each new requirements let improves time after time the mechanics of each small bubble while it is living in the aquarium of an Event Driven ecosystem along with bigger legacy… Continue reading Distributed Architecture: 3 Steps

Domain Driven Design · Event Sourcing · Software Architecture

Distributed Architecture 02: The Processing

In the ingestion phase data went through the front door to enter our domain. In the domain area we want to process the data in case they mean something for our components, ignore them if not relevant or raise exception if the data are relevant but something is not right. In the previous phase, the… Continue reading Distributed Architecture 02: The Processing

Event Sourcing

CQRS WITH EVENT SOURCING USING EasynetQ, EVENT STORE, ELASTIC SEARCH, ANGULARJS AND ASP.NET MVC

“The magic for a developer is doing something cool that no one else can understand” (myself few minutes ago). The first step into this maze of cool messaging terms and tools left me with the feeling that most of them are not really relevant. After years of studying and practising, all these messaging and service… Continue reading CQRS WITH EVENT SOURCING USING EasynetQ, EVENT STORE, ELASTIC SEARCH, ANGULARJS AND ASP.NET MVC