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Camunda

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description Camunda Overview

Camunda is a powerful workflow orchestration engine that excels in microservices architectures. It uses the BPMN 2.0 standard to model complex business processes, allowing developers to orchestrate tasks across different services and systems. Camunda provides both an open-source core and a cloud-based SaaS offering (Zeebe), making it highly popular among engineering teams who need precise control over execution logic.

help Camunda FAQ

How does Camunda call a REST API from a BPMN process?

In Camunda 8, a process can use the REST connector or create a job handled by an external worker. The BPMN diagram defines the orchestration, while credentials, retries, mappings, and error handling must still be configured.

What is Zeebe in Camunda 8?

Zeebe is the distributed process orchestration engine at the core of Camunda 8. When execution reaches a service task, Zeebe creates a job that an appropriate worker can request and complete.

What is the practical difference between Camunda 7 and Camunda 8?

Camunda 7 centers on a Java process engine commonly embedded in or connected to application infrastructure. Camunda 8 uses Zeebe's distributed architecture and has different APIs, deployment practices, and BPMN support, so migration is not a drop-in version upgrade.

Can Camunda orchestrate services written in different languages?

Yes, workers can be implemented in different languages as long as they communicate through a supported Zeebe client or API. That allows one BPMN process to coordinate Java, Node.js, .NET, and other services without putting their business code inside the diagram.

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