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Writer's pictureSana Remekie

Data Orchestration vs. Composition: Understanding Their Separation in MACH Design

Updated: Dec 2

In the MACH (Microservices-based, API-first, Cloud-native, and Headless) Reference Architecture, Data Orchestration is positioned beneath the Composition Layer—a purposeful design choice that ensures scalability, consistency, and performance. At Conscia, this principle is core to our platform, helping enterprises simplify their digital ecosystems while delivering seamless, personalized experiences. Let’s explore why orchestration belongs below composition and why this separation is critical in MACH architecture.




Defining the Layers

Before diving into why orchestration powers composition, it’s important to understand the unique role of each layer.

Composition Layer

The composition layer handles the visual presentation and layout of digital experiences across various frontends, such as websites, mobile apps, kiosks, or wearables. Its primary focus is on delivering the interface and user experience tailored for each channel.

Composition can take two forms:


  • Pre-designed Templates: Standardized layouts defined by a design system.

  • WYSIWYG Tools: Visual builders that allow non-technical teams to create and customize pages.


Content Management Systems (CMS) and Digital Experience Composers (DXC) excel at providing these tools, enabling teams to focus on user experience design.


Data Orchestration Layer

The orchestration layer, in contrast, focuses on transforming backend data into the consumable format needed by the composition layer. This includes:

  • Connecting APIs: Integrating with various backend services, such as product catalogs, inventory systems, and content repositories.

  • Data Stitching: Merging data from multiple sources into unified datasets.

  • Shaping Data: Formatting and optimizing data to match specific frontend requirements.

  • Access Control & Personalization: Enforcing user permissions and delivering tailored data for each customer.

  • Dynamic Caching: Reducing backend API calls for better performance.

  • Contextual Delivery: Ensuring the right data is delivered to the right user at the right time.


At Conscia, our DX Engine streamlines data orchestration, ensuring the composition layer receives optimized and unified data to create exceptional experiences.


Why Orchestration Comes First

Keeping orchestration and composition separate isn’t just a best practice—it’s a necessity for modern digital architecture. Here’s why:

1. Simplifying API Management

Without a centralized orchestration layer, frontends must directly manage point-to-point connections with backend services. This approach quickly becomes unmanageable as the number of APIs grows. Centralized orchestration simplifies these integrations, reducing complexity and technical debt.

2. Maintaining Consistency Across Channels

When frontends independently fetch and process data, inconsistencies emerge. A product page might look different on a mobile app compared to a website. Orchestration ensures all channels pull from a unified data source, delivering a consistent experience.

3. Reducing Glue Code

Embedding business logic into the frontend creates brittle "glue code" that’s difficult to maintain and update. Orchestration moves this logic to a centralized, reusable layer, reducing technical overhead and enabling non-technical teams to work more effectively.

4. Enhancing Performance

Shaping and filtering data at the orchestration layer minimizes network traffic and reduces latency. Instead of sending bulk data to the frontend for processing, orchestration ensures only the necessary, optimized data is delivered.

5. Strengthening Access Controls

Data visibility and personalization rules are often channel-agnostic. Applying these rules at the orchestration layer ensures consistent enforcement across all frontends, enhancing security and efficiency.

6. Scaling Frontend Agility

Frontends are designed to deliver seamless user experiences, not to handle backend complexity. Offloading tasks like data stitching, shaping, and caching to the orchestration layer allows frontends to focus on what they do best—delivering fast, polished interfaces.

7. Avoiding Backend Bottlenecks

Chaining multiple API calls in the frontend increases latency and creates backend bottlenecks. Orchestration consolidates these calls, reducing backend load and improving response times.


Why It Matters for MACH Architecture


MACH architecture prioritizes flexibility, scalability, and modularity. Placing orchestration beneath composition aligns perfectly with these principles:

  • Flexibility: Easily swap out frontends or backend services without disrupting the system.

  • Scalability: Centralize and manage growing data needs efficiently.

  • Modularity: Keep your tech stack agile and adaptable to future innovations.

Conscia’s DX Engine exemplifies this approach, acting as the connective tissue between backend complexity and frontend simplicity. By centralizing orchestration, we help businesses deliver consistent, high-performing, and personalized experiences at scale.


Final Thoughts

In the MACH Reference Architecture, data orchestration powers composition, not the other way around. Separating these layers ensures a scalable, maintainable, and high-performing digital ecosystem.


At Conscia, we specialize in making orchestration seamless. By simplifying backend complexity and delivering optimized data to the composition layer, we empower enterprises to focus on creating customer experiences that stand out. Ready to see the difference? Book a demo and let us show you how Conscia transforms orchestration into your competitive edge.

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