Open Stack

Sometimes even unikernel + bare metal is enough. It really depends on
the use case and target application workloads.

On 01/10/2018 09:55 PM, Gnep Zhao wrote:
> Hi,
> 
> Just wondering whether multit-tenancy is a hard requirement for some
> Edge environment, e.g. device, gateway, NFV appliance? Those setup sound
> more like single tenancy, therefore container + baremetal is good enough?
> 
> 
> 
> On Wed, Jan 10, 2018 10:17 PM, Allison Randal allison at lohutok.net
> <mailto:allison at lohutok.net> wrote:
> 
>     __
> 
>     The typical pattern for unikernels is to deploy the application
> 
>     workloads as unikernels rather than as containers or VM/cloud images. (I
> 
>     also pondered the possibility of trying the OpenStack services deployed
> 
>     as unikernels, as I read the article, but that was more idle curiosity,
> 
>     since it wouldn't buy us much in an edge scenario.)
> 
> 
>     I also wasn't suggesting directly trying the LightVM implementation in
> 
>     OpenStack, since it's mostly a proof-of-concept at the moment. (Though
> 
>     I'll be interested to see where they go with it.)
> 
> 
>     Mainly, I was suggesting that their workflow for performance analysis
> 
>     and optimization of Xen is a good example of what we could do with
> 
>     OpenStack Edge deployments, once we've defined a small set of
> 
>     representative edge-site scenarios. That performance analysis workflow
> 
>     applies equally well to either the small-footprint or distributed
> 
>     approach to using OpenStack for edge infrastructure, you just have to
> 
>     use a more distributed set of performance analysis tools for the
> 
>     distributed case.
> 
> 
>     Allison
> 
> 
>     On 01/09/2018 10:38 PM, Paul-Andre Raymond wrote:
> 
>     > Allison,
> 
>     >
> 
>     > Thanks for sharing. I was not aware of this work and I found the
>     article interesting.
> 
>     > Today we discussed two aspects:
> 
>     > 1- How to make openstack fit into smaller footprint (i.e. into an
>     edge site)
> 
>     > 2- How to make openstack more distributed (with Compute nodes at
>     edge sites connected via a WAN link)
> 
>     >
> 
>     > This article certainly fits in the first category.
> 
>     > In particular, if we think about deploying Openstack components in
>     Unikernels instead of deploying them with Containers.
> 
>     >
> 
>     >
> 
>     > Paul-André
> 
>     > --
> 
>     >
> 
>     >
> 
>     > On 1/9/18, 6:00 PM, "Allison Randal" <allison at lohutok.net> wrote:
> 
>     >
> 
>     > Following up on the conversation in the call today, have folks on the
> 
>     > list read "My VM is Lighter (and Safer) than your Container"[0]?
>     It's a
> 
>     > good example of the kind of work we could do now on OpenStack, if we
> 
>     > select a small number of representative use cases/scenarios, build
> 
>     > sample deployments, and share concrete data with developers on
>     specific
> 
>     > changes we need in OpenStack. This kind of work can be ongoing at the
> 
>     > same time as higher-level and broader-scope conversations about areas
> 
>     > where we're still unsure of the best architecture or
>     implementation details.
> 
>     >
> 
>     > Allison
> 
>     >
> 
>     > [0] Filipe Manco, Costin Lupu, Florian Schmidt, Jose Mendes, Simon
> 
>     > Kuenzer, Sumit Sati, Kenichi Yasukata, Costin Raiciu, and Felipe Huici
> 
>     > (2017) "My VM is Lighter (and Safer) than your Container." In
> 
>     > Proceedings of the 26th Symposium on Operating Systems Principles
>     (SOSP
> 
>     > '17). ACM, New York, NY, USA, 218-233. DOI:
> 
>     > https://doi.org/10.1145/3132747.3132763, Also available at:
> 
>     > http://cnp.neclab.eu/projects/lightvm/lightvm.pdf
> 
>     >
> 
>     > On 01/05/2018 06:53 PM, lebre.adrien at free.fr wrote:
> 
>     > > Hi,
> 
>     > >
> 
>     > > Following the LTE discussion, I'm wondering whether we should
>     not try to classify the edge-site scenarios by level of the
>     complexity (i.e., features/capabilities each scenario implies/requires).
> 
>     > >
> 
>     > > A possible classification can start with:
> 
>     > > a) An edge infrastructure composed of several edge sites
>     operated by a same organisation with WAN wired connections.
> 
>     > > b) The same infrastructure but with LTE connections
> 
>     > > c) Scenario a) but where the edge infrastructure is spread over
>     several edge sites belonging to different organisations/operators
> 
>     > > d) scenario c) but with LTE
> 
>     > > e) ..
> 
>     > >
> 
>     > > In parallel, we can try to identify w.r.t these scenarios what
>     are the expected features/services from the administrator viewpoint
>     and then from the developers viewpoint.
> 
>     > >
> 
>     > > I have the feeling that we all have relevant scenarios with
>     specifics according to our targets. Having a classification can
>     allow us to move forward by just focusing on classes instead of each
>     particular scenario independently.
> 
>     > >
> 
>     > > My two cents,
> 
>     > > ad_ri3n_
> 
>     > >
> 
>     > > _______________________________________________
> 
>     > > Edge-computing mailing list
> 
>     > > Edge-computing at lists.openstack.org
> 
>     > > http://lists.openstack.org/cgi-bin/mailman/listinfo/edge-computing
> 
>     > >
> 
>     >
> 
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> 
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> 
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>     >
> 
>     >
> 
> 
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