Main Components

Rucio is based on a distributed system architecture & can be sectioned into four major layers:

Clients

The clients layer consists of components such as the command line clients (CLI), Python clients, and the Javascript-based web user interface and configuration.

Server

The server layer serves the purpose of authentication & provides a common API for interaction with clients & other external application, as also the Web UI.

Core

This layer consists of all the Rucio-level abstractions that are explained at length in the Concepts section.

Daemons

The daemons layer takes care of all the asynchronous & continuous workflows in the background.

A diagrammatic representation of the 4 layers is as shown below

To learn more about each of these layers in detail, download our peer reviewed scientific paper.