[j-nsp] logical system in production - MX960

[Pavel Lunin]

Strongly agree with Ytti. Most LSYS deployments I've seen were really
"deploy an LSYS to deploy an LSYS" kind of of thing.

Some more or less viable use-case I know is BGP scaling: dedicated rpd in
an LSYS for an off-path RR. It creates a dedicated 32-bit rpd, which can
consume another 4GB of RAM. But nowadays, with all the kinds of VM-based
routers/RRs, 64-bit rpd, node slicing and stuff, this approach looks to be
obsolete.



2017-10-03 10:25 GMT+02:00 Saku Ytti <saku at ytti.fi>:

> On 25 September 2017 at 15:10, Aaron Gould <aaron1 at gvtc.com> wrote:
>
>
> Hey,
>
> > Do you all use logical systems in your production environment ?
>
> No. Be sure you're solving real technical problems, not political or
> process. I know there are use-cases, but I suspect there are fewer
> use-cases than deployments.
>
> There are several layers of function multiplexting
>
> virtual-router: essentially just VRF
> logical-system: separate rpd running in same control-plane
> node slicing: separate freebsd KVM running on single hypervisor
>
> Since node slicing, I think logical-systems are rather useless.
>
> https://www.juniper.net/documentation/en_US/junos/
> topics/concept/node-slicing-overview.html
>
> --
>   ++ytti
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