[KerrAvon]

In practice, the problem with URIs is that it makes parsing very complex. You don’t really want a parser of that complexity in the kernel if you can avoid it, for performance reasons if nothing else. For low-level resource management, an ad-hoc, much simpler standard would be significantly better.

[embedding-shape]

Chuck Multiaddr in there (https://multiformats.io/multiaddr/), can be used for URLs, file paths, network addresses, you name it. Easy to parse as well.

[miohtama]

You can use a subset of easily parseable URIs