Compression tests

OpenVPN has built-in support for LZO compression if compiled properly. All Windows binaries have LZO compression available by default. In this recipe, we will show what is the performance of using LZO compression when transferring both easily compressible data (such as web pages) and non-compressible data (such as photographs or binaries).

Getting ready

We use the following network layout:

Set up the client and server certificates using the Setting up the public and private keys recipe from Chapter 2, Client-server IP-only Networks. For this recipe, the server computer was running CentOS 6 Linux and OpenVPN 2.3.11. The first client was running Fedora 22 Linux and OpenVPN 2.3.11. Keep the configuration file basic-udp-server.conf from the Server-side routing recipe from Chapter 2, Client-server IP-only Networks, as well as the client configuration file basic-udp-client.conf. The recipe was repeated with a second client running Windows 7 64bit and OpenVPN 2.3.11. Keep the configuration...