Network file systems are hard. There are 30+ years of posts in various places of the Internet, hundreds of books, and dozens of implementations' source listings that you can read.
Dropbox have exceptional engineering talent, and a mature code base. Nobody else before or since, has ever come even close to what they have, quality- or feature-wise.
That they make it look easy doesn't mean that it is easy. It's like saying, all this guy ever does is hitting the puck in the net skating backwards, I don't understand why nobody else is able to do it?
Dropbox have exceptional engineering talent, and a mature code base. Nobody else before or since, has ever come even close to what they have, quality- or feature-wise.
That they make it look easy doesn't mean that it is easy. It's like saying, all this guy ever does is hitting the puck in the net skating backwards, I don't understand why nobody else is able to do it?