Would you like to use an existing database for Apache authentication, e.g. instead of the htpasswd file in your small WebDAV server?
Are you trying to create set up a WebDAV server with little effort, yet with high performance? Are you doing this for an SME, a small workgroup, or your family? Do you prefer control over your data, so Dropbox is not an option? Do you prefer raw upload and download speed to all the fancy…