# Overview

### Introduction

Aurras is a middleware that acts as an event processor and a low code workflow orchestration platform. Aurras is being pitched as a next-generation system for enabling decentralized push notifications. This middleware solution listens to events from blockchain applications and propagates them to a registered pool of MQTT brokers. The broader architecture consists of a parachain from which the middleware listens for the events.

### Architecture

![High-level Architecture](/files/-MSiIVjWMEbxsZUWklL1)

### Components

* [Core](/components/event-manager.md)
* [Event Feed](/components/event-feed.md)
* Workflow Composer
* Web API Gateway and Backend Service


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