Moving past TCP in the data center, part 1

> 3. HTTP is text-based, so you have to finagle all of your data into text (or something reasonably resembling text, like JSON), and then unfinagle it at the other end. For every RPC. This ends up being ludicrously expensive when you consider the sheer scale that we're talking about here.

OK, I lied, you don't have to do that. But you do have to emit and parse text-based headers, which is still unreasonably expensive.