Web nodes are the public entryway to your exhibit. This is where your website acutally lives. Our web nodes have 2GB of memory, 5GB of storage, and 2 CPUs. A single web node will serve a static site like crazy, but if a single node won't quite cut it for your site, more nodes and a load balancer can be added.
Of course, you have some options on your web node:
Database nodes, with few noted exceptions, are the backbone of most any dynamic website or application. Our database nodes have 4GB of memory, 15GB of storage, and 2 CPUs. While the database nodes typically can't be easily scaled horizontally, we do offer highly available database layout options.
Management nodes are low-powered, general purpose nodes with a good deal of storage: 256MB of memory, 200GB of storage, and 1 CPU.
Here are some of the suggested uses for your management node:
- VPN (Virtual Private Network) access point for your company
- Shared storage (NFS, iSCSI, GNBD, etc) provider for your other nodes.
- Backup service for your other nodes
A load balancer sits in front of your web nodes, directing traffic to them as needed. They are used in multiple-web-node setups to ensure that each of the web nodes receives roughly the same number of requests.
Each of the offerings in our Scale Series includes a load balancer in order to ease the way when the system must eventually be scaled out.
The Internet is the One True Cloud, a black box that is shaped like a collection of tubes. Over these tubes flow requests and responses for your site or application.