On 30/08/2018 04:06, Brian E Carpenter wrote:
On 2018-08-29 22:39, Michael H. Behringer wrote:
Christian, thanks for the review, my comments inline...
On 26/08/2018 22:57, Brian E Carpenter wrote:
(Ccs trimmed)
Christian,
Thanks for this careful review. I'll comment here on the larger issues:
On 2018-08-27 04:03, Christian Hopps wrote:
...
Minor Major Issues:
- Virtualization is mentioned once in "4.2 addressing" section. To quote:
TEXT: "Support for virtualization: Autonomic Nodes may support Autonomic
Service Agents in different virtual machines or containers. The addressing
scheme should support this architecture."
The special casing of VM/containers here seems to indicate that virtual
devices are not "1st class citizens" in an autonomic network. In particular
I
could easily imagine virtual machines being full blown autonomic nodes
themselves. Assuming the intent is not to restrict virtual devices in this
manor something needs to be said (somewhere) to make that clear.
I don't think that was the intention. We haven't really explored this in detail,
but I can certainly imagine a deployment (for example) where each tenant in
a data centre has its own virtual autonomic network, and the underlying physical
network is also autonomic. Since the ACP is expected to be implemented as
a VRF, you could even argue that every autonomic network is virtual.
So, yes, we can reword this.
To add to Brian: I agree there was no intention to "downgrade"
virtualization. Nor am I aware of any text that indicates that, also not
what you quote above. We didn't mean this to say "this is not
recommended", only "we haven't explored / documented that further". I am
convinced that the Autonomic architecture will be all over data centers
one day, so OBVIOUSLY virtualization is important.
Happy to re-word, but: What do you suggest we change / add? I'm really
not clear...
A modest suggestion, on the basis that if Christian read the text differently
from the authors' intentions, other people might do so as well.
Support for virtualization: Autonomic functions can exist either at the
level of the physical network and physical devices, or at the level
of virtual machines, containers and networks. In particular, Autonomic
Nodes may support Autonomic Service Agents in virtual entities. The
infrastructure, including the addressing scheme, should be able to
support this architecture.
(Comment: it isn't just addressing. There are software design
implications too, but that is out of scope here, I think.)
OK, sounds good. I'll change that.
I wait for potential further last call comments before making the
changes and publishing a new version.
Michael
[rest deleted]
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