[Opendnssec-develop] Use Case diagram for OpenDNSSEC

[Rick van Rein]

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Hello,

> The DFD is essentially a more detailed description on the Signer Engine
> with its surrounding.

Yes, that is the idea.  I wanted to get down to a bit more detail.

> Any comments by the Signer Engine development team? Does this conform
> to your mindset?

To help with answering that question, I've added a bunch of other diagrams
documenting parts of the Signer Engine:

* Queue and QueuedZone information, central to the synchronisation constructs
	(basically, databasish transaction serialisation per zone)
* Message charts for
   - IXFR processing (a bit early, but it's simpler than AXFR!)
   - AXFR processing
   - Zone re-signing
   - Key rollover

As before, you can find the collection on my website:

http://openfortress.nl/tmp/opendnssec/

As before, all these are merely proposals, in an attempt to get some
discussion going on the overall structure.  If anyone has other ideas
s/he is welcome to speak up.  It's that kind of design-level debate
I'm after.

I propose going over diagrams like these during our face2face meeting
in Amsterdam.  I think such diagrams are useful communication vehicles.


Hope this helps,

With regards,

Rick van Rein
OpenFortress

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