Anti-Corruption Layers: Bridging the Divide between Microservices

Manav Tech
Published in
8 min readMay 19


In today’s increasingly digital and connected world, managing complex software systems efficiently is a primary goal for many organizations. The microservices architectural style has emerged as a leading approach due to its numerous benefits, such as scalability, resilience, and ease of updates. However, it does come with its fair share of challenges, particularly in integration. One of the concepts that aid in mitigating this problem is Anti-Corruption Layers (ACLs). This blog post will delve into the concept of ACLs, their importance in a microservices architecture, and their role in easing integration woes.

Photo by Robert Katzki on Unsplash

Microservices and the Challenge of Integration

Microservices are an architectural style where an application is developed as a collection of small, independently deployable services. Each service runs in its process and communicates with lightweight mechanisms, often an HTTP-based API.

microservices — basics

However, as the number of microservices increases, integration becomes a challenge. Diverse service boundaries can lead to a disparity in data structures and interfaces, resulting in the necessity to translate or adapt the data and communication protocols. This is where Domain-Driven Design (DDD) and the concept of Bounded Context come into play.

Domain-Driven Design (DDD) and Bounded Context

Domain-Driven Design (DDD) is an approach to software development that focuses on creating software that matches the complexity and intricacies of a problem domain. A key concept in DDD is the Bounded Context, which defines the boundary within which a particular model is defined and applicable.

Using Java as our technology, Let’s consider a simple online store as an example. We’ll have two bounded contexts: `Order` and `Inventory.` The `Order` context concerns customer orders, and the `Inventory` context concerns managing stock.

Here’s a straightforward DDD-style design for these contexts:

// --------------------------
// Bounded…



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