It's first party, so you get a look under the covers at how things were supposed to work. But the later server emulators are undoubtedly better by any realisti

It's first party, so you get a look under the covers at how things were supposed to work. But the later server emulators are undoubtedly better by any realistic consideration, 1990s C code is not something you'd want to expose to the internet and any design decisions that made sense on era hardware and POSIX APIs are not really applicable once multicore and fast(er) storage became pedestrian.