[messaging] Minimal requirements for group chat

[Daniel Kahn Gillmor]

On 04/16/2014 06:19 PM, Geoffroy Couprie wrote:
> A git-like scheme with an elected master could make the transcript totally
> ordered. Basically, all the peers would receive the messages and still keep
> them in an unstaged area, partially ordered so still useful for the UI.
> Then the master would chime in and provide the definite  message order,
> kind of like a merge in git. The peers then reorder their transcript
> accordingly.

a merge in git does not produce a total order; i don't think this
proposal will work the way you think.

I don't think a partial order is a bad thing, though.  a partial order
reflects the actual state of a distributed conversation; there's a
reason that mail user agents have traditionally offered a threaded view.

	--dkg

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