[c-nsp] EVPN Book/paper recommendation

Kasper Adel karim.adel at gmail.com
Tue Jul 17 14:47:00 EDT 2018


Saucy question indeed!

Good stuff here : https://www.reddit.com/r/networking/comments/3fulng/
vxlan_vs_vpls/ and https://blog.ipspace.net/2018/
02/evpn-with-mpls-data-plane-in-data.html

Also https://plus.google.com/+KennethDuda/posts/2tnVCHkeVyZ

Good question,
Kim

On Sun, Jul 15, 2018 at 2:10 AM, <adamv0025 at netconsultings.com> wrote:

> > Pete Lumbis
> > Sent: Saturday, July 14, 2018 8:41 PM
> >
> > Dinesh Dutt, the co-author of VxLAN wrote two books you can get for free*
> > They are both focused on the datacenter, but the principals are the same
> for
> > both DC and non-DC use cases.
> >
> > BGP in the datacenter: http://cumulusnetworks.com/bgp EVPN in the
> > datacenter:
> > https://cumulusnetworks.com/lp/evpn-data-center-
> > oreilly/?utm_source=social+media&utm_term=EVPN&utm_campaign=2018
> > +EVPN+in+the+data+center+eBook
> >
> > * Behind a regwall. Disclaimer: I work for Cumulus
> >
> //rant//
> I'd love to ask Dinesh why VXLAN???
> -I mean what was wrong with MPLS labels for these DC folks?
> If you think about it VXLAN is like VPN label directly on top of IP (just a
> tenant separator).
> But there's no concept of stacking VXLAN headers unlike in MPLS, -that is
> no
> extensibility for other applications (e.g. TE = source routing = service
> chaining, or other example would be micro services = VPNs),
> The EVPN CP for VXLAN is just another patch borrowed from SP folks, they
> still need ACLs for micro services and god knows what they will come up
> with
> for service chaining (PBR I guess) both utterly un-scalable solutions.
> Looks like DC folks have the tendency of reinventing the wheel again and
> again.
> All of these DC "solutions" could have been solved by simple well
> established MPLS:  FabricPath, TRILL, LISP, VXLAN, NVGRE, OTV and Shortest
> Path Bridging (SPB).
> Not mentioning all the crazy complexity where all these need to interface
> with MPLS backbone at the DC boundaries (while preventing L2 loops).
>
> Finally with the latest generation of nexus switches they seem to finally
> realize that MPLS is the path.
> //rant//
>
> adam
>
> netconsultings.com
> ::carrier-class solutions for the telecommunications industry::
>
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