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From Will Stevens <williamstev...@gmail.com>
Subject Re: [DISCUSS] Network offerings for Isolated Networks / VPCs
Date Wed, 20 Apr 2016 11:26:04 GMT
I'm not sure that is a good idea. There are a LOT of implications with this
idea.

For example, many hardware appliances can not handle overlapping ip space
between networks. Because of this they can't be implemented in a vpc, only
isolated guest networks.

I know there are a lot more examples like this, so it would be a dramatic
rewrite of a lot of code to make it work.
On Apr 20, 2016 12:49 AM, "Koushik Das" <koushik.das@accelerite.com> wrote:

Another way to look at it would be to make isolated network a special case
of VPC (having a single tier).

-Koushik

________________________________________
From: Nick LIVENS <nick.livens@nuagenetworks.net>
Sent: Tuesday, April 19, 2016 2:46 PM
To: dev@cloudstack.apache.org
Subject: [DISCUSS] Network offerings for Isolated Networks / VPCs

Hi all,

Currently, there is no reliable way to tell whether an offering was created
for an Isolated Network or for tiers in a VPC. This is determined based on
providers. (ConfigurationManagerImpl.isOfferingForVpc)

In the UI, you have the possibility to check a flag for "VPC" during
creation of a network offering. This flag changes the list of providers per
service. However, this flag does not get sent to the backend, and is not
persisted as a result.

It is possible to create a network offering that was originally meant for
VPCs, but without using any of those providers which results in a network
offering that can't be used by VPCs because of this check. This is very
confusing for an end user, and is actually wrong.

Short term, I suggest we persist this flag "forvpc" in order to determine
whether a network offering is meant for VPCs or Isolated Networks.

Long term, we might want to rethink this implementation to a more generic
solution to make network offerings usable for both Isolated Networks and
VPCs at once, if possible.

What do you guys think?

Kind regards,
Nick Livens



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