[messaging] Minimal requirements for group chat

[Tony Arcieri]

On Thu, Apr 17, 2014 at 2:07 PM, Joseph Bonneau <jbonneau at gmail.com> wrote:
>
>  We could design a chat protocol where every participant has a Lamport
> clock and these are committed to in each message as an alternative to the
> "git commit history" formulation considered above.
>

I was actually thinking about proposing exactly this when I saw Moxie's
original description, but I began to worry about the details, like:

- If someone joins a conversation later, who do they inherit their vector
clocks from? Someone who invited them to the conversation?
- What about siblings? (same problem as git)
- Could this actually result in confusing/deceptive output?

-- 
Tony Arcieri
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