Further increase accessibility for a broader audience

[SichangHe]

• Paper assumes the reader is familiar with RPSL

This is tricky. Do we just explain everything more, @cunha?

[SichangHe]

3. Refine background and statements to be more detailed and accessible, particularily the ones mentioned in review B & E.

[cunha]

It's a space issue. Let's ask the shepherd for an extra page in the main body. If he agrees we can add more background and move the appendix into the main body.

[cunha]

With no extra page we can just expand the appendix to make it more didatic.