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authorEuAndreh <eu@euandre.org>2020-11-14 15:44:04 -0300
committerEuAndreh <eu@euandre.org>2020-11-14 16:17:35 -0300
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parentAdd draft of article on local-first software (diff)
downloadeuandre.org-901bebdc14f00f7fffdd61ca4a61698dfed69f86.tar.gz
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Spell check, add translation files and publish article on local-first software
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----
-
-title: 'On "local-first": beyond the CRDT silver bullet'
-
-date: 2020-10-26
-
-layout: slides
-
-lang: en
-
-ref: on-local-first-beyond-the-crdt-silver-bullet
-
-published: false
-
----
-
-# On local-first
-
-Beyond the CRDT silver bullet
-
----
-
-# Part 1
-
-Exposition
-
----
-
-## "cloud apps" vs "old-fashined apps"
-
----
-
-## Target
-
-- documents
-- files
-- personal data repositories
-
-Not: banking services, e-commerce, social networking, ride-sharing, *etc*.
-
----
-
-## 7 Ideals for local-first software
-
----
-
-### 1 - No Spinners: Your Work at Your Fingertips
-
----
-
-### 2 - Your Work Is Not Trapped on One Device
-
----
-
-### 3 - The Network Is Optional
-
----
-
-### 4 - Seamless Collaboration with Your Colleagues
-
----
-
-### 5 - The Long Now
-
----
-
-### 6 - Security and Privacy by Default
-
----
-
-### 7 - You Retain Ultimate Ownership and Control
-
----
-
-## Towards a Better Future
-
-CRDTs (Conflict-free Replicated Data Types) as a Foundational Technology
-
----
-
-### Use case
-
-```
-# in node A and node B
-s = "Hello, World"
-
-# in node A
-s = "Hello, Alice"
-
-# in node B
-s = "Hello, Bob"
-```
-
-How to reconcile those?
-- `Hello, ABloibce`
-- `Hello, AliceBob`
-- `Hello, BobAlice`
-- `Hello, Alice`
-- `Hello, Bob`
-
----
-
-Existing CRDTs differ:
-- performance
-- storage
-- compression
-- metadata overhead
-
----
-
-Hint towards the "automerge" CRDT
-
----
-
-*show comparison table, page 9*
-
----
-
-# Part 2
-
-Critique
-
----
-
-### Software license
-
-> In our opinion, maintaining control and ownership of data does not mean that
-> the software must necessarily be open source.
-
----
-
-#### Example 1 - intentional restriction
-
-```bash
-#!/bin/sh
-
-TODAY=$(date +%s)
-LICENSE_EXPIRATION=$(date -d 2020-10-27 +%s)
-
-if [ $TODAY -ge $LICENSE_EXPIRATION ]; then
- echo 'License expired!'
- exit 1
-fi
-
-echo $((2 + 2))
-```
-
-```bash
-# today
-$ ./useful-adder.sh
-4
-# tomorrow
-$ ./useful-adder.sh
-License expired!
-```
-
----
-
-#### Example 2 - unintentional restriction
-
-```bash
-# today
-$ useful-program
-# ...useful output...
-
-# tomorrow, with more data
-$ useful-program
-ERROR: Panic! Stack overflow!
-```
----
-
-### local-first **requires** free/libre software
-
-Otherwise "The Long Now" (ideal nº5) is lost
-
----
-
-### Denial of existing solutions
-
-> In principle it is possible to collaborate without a repository service,
-> e.g. by sending patch files by email, but the majority of Git users rely
-> on GitHub.
-
-Solution: either GitHub+CRDTs or `git` **`send-email`**
-
----
-
-### Plain text formats
-
-> Git is highly optimized for code and similar line-based text file
-
-It even pulls software to the plain text direction, e.g.:
-- delivery-templates
-- `common-core.protocols.config`
-
-Why not exploit that more?
-
----
-
-### Ditching of web applications
-
-> The architecture of web apps remains fundamentally server-centric
-
-Disagree. Constrast [PouchDB][pouchdb] with Android [Instant Apps][instant-apps]
-
-[pouchdb]: https://pouchdb.com/
-[instant-apps]: https://developer.android.com/topic/google-play-instant
-
-???
-
-Talk on dynamic content
-
----
-
-### Costs are underrated
-
-- storage
-- backups
-- maintanence
-
-Example: blog vs vlog
-
----
-
-### Real-time collaboration a bit overrated
-
-It is only possible on the presence of reliable, medium-quality network
-connection
-
-> X also works when inside an elevator, subway or plane!
-
-<!-- 🤦‍ -->
-
----
-
-### On CRDTs and developer experience
-
-> For an app developer, how does the use of a CRDT-based data layer compare to
-> existing storage layers like a SQL database, a filesystem, or CoreData? Is a
-> distributed system harder to write software for?
-
-Yes.
-
-See "[A Note on Distributed Computing][note-dist-comp]"
-
-[note-dist-comp]: https://web.archive.org/web/20130116163535/http://labs.oracle.com/techrep/1994/smli_tr-94-29.pdf
-
----
-
-## Conclusion
-
-Why this is a "paper I love": it took offline-first and ran with it.
-
-But a pinch of CRDT won't make the world local-first.
-
-The tricky part is the end of the sentence: "**in spite of the Cloud**".
-
----
-
-## Thank you!
-
-References:
-
-1. these slides: [{{ site.tld }}/slides.html]({% link slides.md %})
-2. [prose version of this presentation]({% link _articles/2020-10-26-local-first-software-you-own-your-data-in-spite-of-the-cloud-article-review.md %})
-3. "[Local-First Software: You Own Your Data, in spite of the Cloud](https://martin.kleppmann.com/papers/local-first.pdf)",
- by M. Kleppmann, A. Wiggins, P. Van Hardenberg and M. F. McGranaghan
-4. [The Morning Paper](https://blog.acolyer.org/2019/11/20/local-first-software/)
- article
-5. "[A Note on Distributed Computing][note-dist-comp]", by J. Waldo, G. Wyant, A. Wollrath and S Kendall
-
-[note-dist-comp]: https://web.archive.org/web/20130116163535/http://labs.oracle.com/techrep/1994/smli_tr-94-29.pdf