[Nsi-wg] State Machine

[John MacAuley]

Tomohiro,

In this state machine what are the internal messages associated with the timers "start time" of a reservation and the "end time" of the reservation?

Thank you,
John.

On 2011-06-03, at 6:06 AM, Tomohiro Kudoh wrote:

> Hi John and all,
> 
> I think "timer" should not be directly included in the input alphabet of
> messaging state machines. "start time" and "end time" is managed by
> ultimate-providers/NRMs. 
> 
> However, as you pointed out, there should be a way to notify "provisioning
> end time" from the ultimate-providers to upstream NSAs.
> 
> In the update state machines at the gridforge (which Guy announced
> yesterday), "provisioning end time" is notified by a "cncl.cf" message.
> That is, an ultimate provider sends a "cncl.cf" message when provisioning
> end time comes, even if it has not received a "cncl.rq" message. 
> 
> Please take a look at the ultimate provider's state machine (figure 9)
> too.
> 
> BTW, I made a state transition table of PA/RA state machines (attached),
> to consider all possible cases comprehensively. 
> 
> Questions:
> 1. Don't we need to consider "cancel failure"?
> 2. What if unexpected input comes? ("N/A" boxes in the table) Are they
> all errors? If they are errors, what should the SM do?
> 
> Tomohiro
> 
> On Wed, 01 Jun 2011 17:12:01 +0200 (CEST)
> John MacAuley <john.macauley at surfnet.nl> wrote:
> 
>> Peoples,
>> 
>> I modified Jerry's state machine based on some discussions in Prague.  I added "provision_end" time as an event to go from any state to cancelling.
>> 
>> I have also added a provision pending state.  Does this make sense?
>> 
>> John
>> 
>> ----- Original Message -----
>>> From: "Jerry Sobieski" <jerry at nordu.net>
>>> To: nsi-wg at ogf.org
>>> Sent: Wednesday, June 1, 2011 10:14:58 AM
>>> Subject: [Nsi-wg] State Machine
>>> 
>>> 
>>> 
>>> _______________________________________________
>>> nsi-wg mailing list
>>> nsi-wg at ogf.org
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>>> 
> <MSG-SM.xlsx>

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