* It does not require canonicality, it allows multiple encodings of the same value. To make things even more fun, the QUIC spec requires shortest encoding in some uses but not others.

* It uses 2 bits rather than cutting out a range.

* It only encodes values up to 62 bits long.

So, some similarities but also some differences.

[1]: https://www.rfc-editor.org/rfc/rfc9000.html#name-variable-le...