---
title: "Architecture"
description: "Calico Enterprise component architecture diagram, network design, and the data path between workloads."
product: "Calico Enterprise"
version: "3.21"
section: "Reference"
canonical_url: "https://docs.tigera.io/calico-enterprise/3.21/reference/architecture/"
---

# Architecture

## [📄️Component architecture](https://docs.tigera.io/calico-enterprise/3.21/reference/architecture/overview.md)

[Understand the Calico Enterprise components and the basics of BGP networking.](https://docs.tigera.io/calico-enterprise/3.21/reference/architecture/overview.md)

## [📄️'The Calico Enterprise data path: IP routing and iptables'](https://docs.tigera.io/calico-enterprise/3.21/reference/architecture/data-path.md)

[Learn how packets flow between workloads in a datacenter, or between a workload and the internet.](https://docs.tigera.io/calico-enterprise/3.21/reference/architecture/data-path.md)

## [🗃Network design](https://docs.tigera.io/calico-enterprise/3.21/reference/architecture/design.md)

[2 items](https://docs.tigera.io/calico-enterprise/3.21/reference/architecture/design.md)