load balance

Hi, We're using a number of Windows 2019 IIS10 servers for a HTTP load balance. All files are retrieved from a single SMB server, so all files are the same for all nodes. We're also using Wincache (only for file system cache) & Opcache. My question is this: on previous applications that we...

My site gets a moderate amount of traffic, but occasionally there's an event or some news and I get a ton of traffic. I started using cloudflare, and that helps, but how easy is it to split the load on Xenforo among servers, and have an extra server spin up when the load gets heavy? I'm on vB4...