Juergen:
On first sentence, ... restated
Do you believe the "ephemeral operational state" belongs in the ephemeral
requirements? If so, we can add it. Perhaps we should also add a definition
for ephemeral configuration.
On picture -- here is your picture:
+-------------+ +-----------+
| <candidate> | | <startup> |
| (ct, rw) |<---+ +--->| (ct, rw) |
+-------------+ | | +-----------+
| | | |
| +------------+ |
+-------->| <running> |<--------+
| (ct, rw) |
+------------+
| // e.g., removal of 'inactive' nodes
v
+------------+
| <intended> | // subject to validation
| (ct, ro) |
+------------+
| // e.g., missing resources or delays
v
+------------+
| <applied> |
| (ct, ro) |
+------------+
| // e.g., autodiscovery of values
v
+--------------------------------+
| <operational-state> |<-- control plane and
| (ct + cf, ro) | ephemeral datastores
+--------------------------------+
Is this part of the picture
+--------------------------------+
| <operational-state> |<-- control plane and
| (ct + cf, ro) | ephemeral datastores
+--------------------------------+
Really
+--------------------+ +--------------------------+
+-----------------------+
| opstate | | ephemeral config | | applied config |
| (cf, ro) | | (ct, ro, ephemeral| | (ct, ro)
|
+--------------------+ +---------------------------+
+-------------------------+
Or just
+--------------------+ +--------------------------+
| opstate | | ephemeral config |
| (cf, ro) | | (ct, ro, ephemeral
+--------------------+ +---------------------------+
Sue
-----Original Message-----
From: i2rs [mailto:[email protected]] On Behalf Of Juergen Schoenwaelder
Sent: Thursday, June 02, 2016 7:05 AM
To: Susan Hares
Cc: 'Jeffrey Haas'; [email protected]; 'Benoit Claise'; 'Alia Atlas'
Subject: Re: [i2rs] I2RS Interim Meeting - June 1, 2016 - 10:00am - 11:00am
-? Topic: Ephemeral State Requirements
On Thu, Jun 02, 2016 at 06:53:42AM -0400, Susan Hares wrote:
> Juergen:
>
> Do you think this definition belongs in the ephemeral requirements? If
so,
> we can add it. But perhaps we should define both ephemeral configuration
> and ephemeral operational state. Joel point out at the I2RS interim
> that ephemeral operational state is just like all other operational state
- it
> disappears upon reboot. It is ephemeral configuration which is different
> than normal configuration - since it disappears upon reboot where
> normal configuration does not.
>
> Is this diagram close to your existing model where opstate and
> ephemeral configuration are parallel?
>
> +--------------------+ +--------------------------+
> | opstate | | ephemeral config |
> +--------------------+ +--------------------------+
>
I see two boxes, I am unsure what you think these boxes drawn this way mean.
What is 'this definition' in your first sentence? I really have problems to
follow what is going on.
/js
--
Juergen Schoenwaelder Jacobs University Bremen gGmbH
Phone: +49 421 200 3587 Campus Ring 1 | 28759 Bremen | Germany
Fax: +49 421 200 3103 < <http://www.jacobs-university.de/>
http://www.jacobs-university.de/>
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