Axon Reference Guide
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4.5
Introduction
Architecture Overview
Axon Server
Release Notes
Getting Started
Quick Start
Axon Framework
Introduction
Messaging Concepts
Commands
Events
Queries
Sagas
Deadlines
Testing
Tuning
Monitoring and Metrics
Spring Boot Integration
Modules
Axon Server
Introduction
Installation
Administration
Security
Performance
Migration
Extensions
Spring AMQP
JGroups
Kafka
Kotlin
Mongo
Reactor
Spring Cloud
Tracing
Appendices
A. RDBMS Tuning
B. Message Handler Tuning
C. Meta Annotations
D. Identifier Generation
E. Axon Server Query Language
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Introduction
Welcome to the Axon Manual!
Axon provides the Axon Framework and the Axon Server to help build applications centered on three core concepts - CQRS (Command Query Responsibility Segregation) / Event Sourcing and DDD (Domain Driven Design).
While many types of applications can be built using Axon, it has proven to be very popular for microservices architectures. Axon provides an innovative and powerful way of sensibily evolving to event-driven microservices within a microservices architecture.
Please visit the AxonIQ website to learn more about AxonIQ and the Axon community. There, you will find information about Axon training, support options, upcoming and past events.

How to use this guide

The Reference Guide is split into 4 sections
Section Name
Purpose
​Quick Start​
Details the Quick Start toolkit that Axon provides to easily familiarize with the basic concepts of Axon Framework and Axon Server
​Axon Framework​
Details the building of Axon Framework based applications.
​Axon Server​
Details the Installation/Setup and Maintenance of Axon Server (SE/EE).
Details the extensions that Axon Framework provides to integrate with existing enterprise infrastructure(s).

License(s)

The Axon platform consists of Axon Framework and Axon Server. It is provided by AxonIQ B.V. under the licenses described below.
    Axon Framework, as well as the Axon documentation and sample programs, are open source and provided under the Apache License v2.0.
    For Axon Server, licensing depends on the version.
      The standard version, called "Axon Server", is open source and free to download and use. It is provided under an AxonIQ-specific open source license. While this license allows you to run the software freely in any environment, it is less permissive than the Apache License. For instance, it doesn't allow you as a licensee to create a derivative work.
      The commercial version, called "Axon Server Enterprise", as well as the various "Packs", are closed source and provided under a commercial license agreement.
If you have any questions about licensing, or want to obtain a license to our commercial software, please contact us via axoniq.io or [email protected].
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Architecture Overview
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How to use this guide
License(s)