#7 Class UUIDs

[ted stockwell]

Use UUIDs for Armidale Class IDs instead of integers.
See http://ftp.ics.uci.edu/pub/ietf/webdav/uuid-guid/draft-
leach-uuids-guids-01.txt for details.

This would elimate the need to main a global database
of Armidale Class IDs.

I have an open source implementation of the above spec.

[Shayne R Flint]

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Thanks for the suggestion. I did consider UUIDs and similar time
based ID generation, but at the time I wanted to reduce the
bandwidth used to send messages around. UUIDs are 16 bytes.

On reflection it would be a lot simpler to use UUIDs and the extra
bandwidth use may not make such a huge difference.