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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