---
title: "Reference architectures"
description: "How customers combine Noraina products and Cloudflare: lower cloud egress costs, replicated instances with DNS failover, and protected specialised servers."
url: https://www.noraina.cloud/architectures/
language: en
---
# Reference architectures

How customers combine Noraina products and Cloudflare: lower cloud egress costs, replicated instances with DNS failover, and protected specialised servers.

- [Lower egress costs for an AWS application, with Cloudflare in front](https://www.noraina.cloud/architectures/cloud-egress-with-cloudflare/): An AWS application behind Cloudflare and Efficient Cloud Egress, so dynamic traffic no longer pays AWS internet egress rates. Also for Azure and Google Cloud.
- [Replicated instances in two data centres, with DNS failover](https://www.noraina.cloud/architectures/replicated-instances-dns-failover/): Efficient Cloud Instances replicated between two Noraina data centres, with NorainaDNS health checks that move traffic to the second site when the first fails.
- [Specialised servers in our data centres, protected by Cloudflare](https://www.noraina.cloud/architectures/specialised-servers-cloudflare/): GPU or high-core servers in a Noraina data centre, with Cloudflare application security in front of public access and Zero Trust for administration.
- [A web stack with European providers only, with Bunny.net](https://www.noraina.cloud/architectures/european-stack/): Servers in Noraina's EU data centres with Bunny.net's CDN and Shield WAF in front, for companies that need every provider in the chain to be European.