"Andre" == Andre Merzky <andre@merzky.net> writes: Andre> For example, assume that I have a client which implements the Andre> core specification only, thus only knows the STOPPED, ACTIVE Andre> and SUSPENDED states (your original figure). What is that Andre> client supposed to do if the backend reports an PAUSED state?
How did it get to that state? Since the client didn't put it into that state, it means that an operator or error must have forced this, so it's an error. Life does not always go as planned. If the client does not do PAUSED state, the system shouldn't get into that state. The client, upon seeing a state that it does not understand could attempt to recover by requesting a transition to primary state that it does understand. Andre> BTW, I agree with Krishna's point that ENTRY and EXIT points Andre> are useful. Where are they attached? -- ] Y'avait une poule de jammé dans l'muffler!!!!!!!!! | firewalls [ ] Michael Richardson, Sandelman Software Works, Ottawa, ON |net architect[ ] mcr@sandelman.ottawa.on.ca http://www.sandelman.ottawa.on.ca/ |device driver[ ] panic("Just another Debian GNU/Linux using, kernel hacking, security guy"); [