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From Will Stevens <>
Subject Re: CloudStack and SDN
Date Thu, 18 Apr 2019 18:50:04 GMT
Regarding the existing OpenContrail code that is in CloudStack.  It is
currently not functional.  That said, Juniper is in the process of
transferring OpenContrail to the Linux Foundation Networking under the new
brand of Tungsten Fabric (TF).

We (CloudOps) have been supporting this transition at both the governance
and technical levels, and are actively supporting the reboot of that

It would be interesting to review what the best integration architecture
would look like and scope the integration details.  The TF community has
been focusing quite a bit on the cloud-native (container) deployment
scenarios, but there are a number of architectures which are possible.  One
of the interesting things about the TF project is their ability to connect
together legacy networks with newer network overlays (such as cloud-native
networking).  If others are interested in integrating TF into CloudStack
again, I would be willing to support that initiative in the ways I can.

At the recent Open Networking Summit (ONS), I demoed the ability to expand
a service mesh between two different Kubernetes cloud regions with the
ability to do policy management across the hybrid cloud deployment.  I used
Tungsten Fabric and Consul Connect for the overlay networking, and I used
CloudStack (with S2S VPN to connect the regions) as the networking underlay
for the demo.

Demo Recording:

If others are interested in getting involved in the TF project and how we
could re-implement an integration between ACS and TF, I would be willing to
support that effort.


*Will Stevens*
Chief Technology Officer
c 514.826.0190


On Thu, Apr 18, 2019 at 1:42 PM Simon Weller <>

> Juniper contributed a plugin for Contrail quite a number of years ago.
> With that project now under the umbrella of the Linux Foundation (along
> with Open Daylight), it would be nice to see some of us start to explore
> the open options and see if we could move some better integrations forward.
> With Nokia pulling the Nuage plugin, there are no full SDN options
> available any longer and I think that's unfortunate for the project at
> large.
> -Si
> ________________________________
> From: Sergey Levitskiy <>
> Sent: Wednesday, April 17, 2019 3:40 PM
> To:
> Cc: users
> Subject: Re: CloudStack and SDN
> Nicira NVP/NSX is very outdated and doesn’t support latest NSX.
> On 4/17/19, 1:22 AM, "Andrija Panic" <> wrote:
>     Simplest one that actually works (call it SDN if you like) - VXLAN.
>     A few others with various implementation states and all hypervisor
>     dependent:
>     Nicira NVP / Vmware NSX
>     Midonet
>     Various tunneling protocols
>     On Wed, 17 Apr 2019 at 09:46, Haijiao <> wrote:
>     >
>     >
>     > Noted Nuage's decision on ceasing SDN plugin for CloudStack. Just
>     > wondering is there any other SDN solutoin can be integrated with
> CloudStack
>     > ?
>     >
>     >
>     > Thanks !
>     >
>     >
>     > Regards,
>     >
>     >
>     --
>     Andrija Panić

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