Geez, sounds horrible , thanks Adam We are buying QFX-5120’s for our new DC build. How good is the MPLS services capability of the QFX-5120?
Aaron On Nov 16, 2018, at 5:12 AM, <[email protected]> <[email protected]> wrote: >> Of Aaron1 >> Sent: Thursday, November 15, 2018 4:23 PM >> >> Well, I’m a data center rookie, so I appreciate your patience >> >> I do understand that layer 2 emulation is needed between data centers, if I >> do it with traditional mechanisms like VPLS or l2circuit martini, I’m just >> afraid >> if I make too many connections between spine and leaves that I might create >> a loop >> >> However, I’m beginning to think that EVPN may take care of all that stuff, >> again, still learning some of the stuff that data centers due >> >> > Hey Aaron, > > My advice would be if you're building a new DC build it as part of your MPLS > network (yes no boundaries). > > Rant// > The whole networking industry got it very wrong with the VXLAN technology, > that was one of the industry's biggest blunders. > The VXLAN project of DC folks is a good example of short sighted goals and > desire to reinvent the wheel (SP folks had VPLS around for years when VXLAN > came to be). > SP folks then came up with EVPN as a replacement for VPLS and DC folks then > shoehorned it on top of VXLAN. > Then micro-segmentation buzzword came along and DC folks quickly realized > that there's no field in the VXLAN header to indicate common access group nor > the ability to stack VXLAN headers on top of each other (or some tried with > custom VXLAN spin offs) so DC folks came up with a brilliant idea -let's > maintain access lists! -like it's 90's again. As an SP guy I'm just shaking > my head thinking did these guys ever heard of L2-VPNs which were around since > inception of MPLS? (so yes not telling people about mac addresses they should > not be talking to is better than telling everyone and then maintaining ACLs) > in SP sector we learned that in 90s. > Oh and then there's the Traffic-Engineering requirement to route mice flows > around elephant flows in the DC, not mentioning the ability to seamlessly > steer traffic flows right from VMs then across DC and MPLS core which is > impossible with VXLAN islands in form of DCs hanging off of MPLS core. > Rant\\ > > > > adam > > netconsultings.com > ::carrier-class solutions for the telecommunications industry:: > _______________________________________________ juniper-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/juniper-nsp
