.onion capsules?

[Stephane Bortzmeyer]

On Sat, Mar 27, 2021 at 07:45:08PM +0100,
 almaember <almaember@disroot.org> wrote 
 a message of 69 lines which said:

> Perhaps we could add a new response code to Gemini, an optional
> redirect of sorts. For example, the client requests
> gemini://capsule-one.com, and the META would look something like this:
> 
> 	gemini://capsule-two.com text/gemini
> 
> This would specify an alternative location that serves the same
> content.

There is certainly a need for that. HTTP does it with the Alt-Svc:
header.

=> gemini://gemini.bortzmeyer.org/rfc-mirror/rfc7838.txt RFC 7838 on HTTP Alternative Services

> This would work with .onion redirects, but also simple mirror sites.

There is also the canonical link relation.

=> gemini://gemini.bortzmeyer.org/rfc-mirror/rfc6596.txt RFC 6596 on the canonical link type

But the problem is how to have these services without adding
extensible features, headers and HTTP complexity.