[Nsi-wg] SC demos
Alan Verlo
darkman at evl.uic.edu
Mon Oct 29 22:38:47 EDT 2012
in addition to vlan ids 1780-1783 & 1796-1799, vlan ids 1790-1795 are also
now reserved in SCinet for automated-GOLE demos.
Alan
On Mon, 29 Oct 2012, Jerry Sobieski wrote:
> Hi all-
>
> Things have been very disorganized the last few weeks regarding the
> demos. I have been distracted on some other issues and am sorry about
> this. But this is the situation:
>
> The NSI version2 implementations are not all ready. And some key GOLEs
> will only have V1 available, or will not be able to perform aggregation
> functions,... and the status monitors will also need to be able to deal
> with two versions... And no doubt there will be some technical issues
> we'll need to iron out as we implement and test... so I think a
> comprehensive NSIv2 over the Automated GOLE fabric is going to have to
> be re-thought...
>
> I think it is just not realistic to have the AutomatedGOLE running V2
> everywhere, and even more unlikely we would be able to have them both
> *interoperating* at this time.
>
>
> However... all is not lost...
>
> We should keep in mind that what we want to demonstrate and promote at
> SC is *_/*NSI*/__/*and [automated] GOLEs*/_* - not specifically v2 per
> se, although it would be nice. But our priority should be to
> demonstrate and promote a _/global NSI as the ubiquitous
> protocol/_...with many implementations, and its features where they are
> ready. Remember, many of the folks at SC have only just heard of NSI
> and need basic high level vision, status, and roadmap - not details
> about state machines or topologies, or even I suspect will they need to
> see a Modify() primitive actually work:-) Besides, the differences
> between v1 and v2 are largely internal advances and do not much present
> new capabilities to the end user.
>
> So if we keep this Big Picture perspective for SC12, I think we can
> still have a very powerful NSI + AutoGOLE demonstration despite the
> varying degrees of readiness for v2...
> ---> NSI as the common ubiquitous automated provisioning
> framework/protocol, and
> ---> Open Lightpath Exchanges (and "distributed" exchanges) as the
> emerging global transport architecture,
> ---> And the AutomatedGOLE Fabric running NSI is an existence proof
> and test facility for early adopters.
>
> So I would like to propose we take the following tact for SC:
>
> - We leverage the NSI "service definition" concept.. We define "ets"
> services as v1, and we define a new set of service domains called "etsv2".
>
> - We preserve the AutoGOLE running NSIv1 as-is using vlans 1780-1783.
> THis will allow us to show NSI running using the status displays we have
> already working.
>
> - We establish a second "etsv2" service plane consisting of NSIv2
> domains - these will get VLANs 1790-1799.
>
> - Even if the ETS and ETSv2 domains cannot interoperate at the protocol
> layer, they can still interconnect at the data plane layer. One domain
> would simply be the "static" client of another... For instance, we can
> have the ETSv2 domains act as end systems on the edge of a ETS (v1)
> domain, and we set up vlans across v1 to serve the v2 domain SDPs.
> THis is a tunneled strategy, but it would be interesting to show the
> capability none-the-less. THis would then allow both V1 and V2
> provisioning demos to occur simultaneously.
>
> - or We could also/instead simply manually configure the 1790-99 VLANs
> across the AutoGOLE between the V2 domains. THis would also allow both
> V1 and V2 provisioning demos to occur simultaneously.
>
> - We define the topologies accordingly.
>
> This would allow us to have both versions running in parallel, even if
> they do not interoperate at the control plane. And frankly, its a good
> migration strategy to v2 in the AutoGOLE rather than a flag day. This
> allows those implementations that have v2 to demonstrate v2 albeit in a
> somewhat constrained manner... But We can still explain the development
> status and roadmap for the next several quarters. And we can still
> present the NSI capabilities and vision and active Workging Group...
>
> If the current Huricane sitting on top of me does not take me off the
> air, I will try to put a couple slides out to the lists to
> diagramtically explain this...
>
> Thoughts?
>
> Best regards
> Jerry
>
>
>
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