On Tue, Mar 27, 2012 at 00:59, Thomas Fossati <[email protected]> wrote:

> http://koanlogic.com/coap/evcoap-server-fsm.pdf
> http://koanlogic.com/coap/evcoap-client-fsm.pdf


Nice drawing Thomas.

I think that your graph is more focused on the overall server/client
software implementation, and I found it quite complex to read from a
protocol perspective (are some states even missing?).

Following the suggestion of Guido, I tried to sketch the FSM of CoAP itself
from a protocol perspective point-of-view, mainly to better understand all
the possible transitions.

If you mind to have a look, you can find it here:
http://www.dei.unipd.it/~castellani/coap-fsm.pdf
(it is really a draft version right now, please be patient if you find any
error)

Best,
Angelo

p.s.: I still have to add the RST messages to the graph, I will update this
later.
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