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Date: Tue, 06 Feb 2024 18:37:29 +0000
From: Emery Hemingway <ehmry@posteo.net>
To: 9front@9front.org
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Subject: [9front] Encoding for Robust Immutable Storage (ERIS) & Plan 9
Reply-To: 9front@9front.org
Precedence: bulk

As a result of the last 9front hackathon the Go implementation of the Encod=
ing for Robust Immutable Storage (ERIS) was ported to 9front.

https://codeberg.org/eris/eris-go

ERIS is a simple content-addressed data standard with a companion standard =
for representing simple file namespaces.

The ERIS spec: https://purl.org/eris
The ERIS-FS spec: https://eris.codeberg.page/eer/eris-fs.xml

The eris-go implementation supports the following on Plan 9:
- ERIS encoding and decoding over stdio
- 9P service for binding ERIS-FS namespaces
- HTTP and CoAP services for storing and retrieving ERIS chunks
- A simple git-style key-value store using the local file-system

The following is possible but not implemented:
- Multicast peer discovery over CoAP+UDP multicast
- Fast and efficient chunk storage
- Incremental ERIS-FS loading (namespaces currently held entirely in memory=
)

An example of posting and binding an ERIS service can be found in the eris-=
go manpage.
https://codeberg.org/eris/eris-go/src/branch/trunk/eris-go.1.md#plan-9

If you have questions or would like to exchange chunk server URLs I can be =
found in #cat-v.


Cheers,
Emery (ehmry)