[AusNOG] Open Networking

[Ben Hohnke]

We're looking into it, as there is a large cost saving to be had.
Unfortunately, as we have a high reliance on MPLS for our network, our
options are limited. Cumulus are adding in MPLS support soon, but its only
BGP label distribution, which is not very handy in a large network. I've
been talking with them, however, and am considering a limted trial in our
network for some L2 stuff, in conjunction with some Agema Trident2 switches
we have gotten in.

We're testing switch and virtual router software from Ip Infusion, but I
wouldn't really call it "open" - the routing stack is based on Zebra I
think, but everything is closed source.

We use VyOS a little where we don't need MPLS, and it does the job.

I've done some testing using OpenBSD and LDPd with OSPFd, but I was seeing
some weird behaviour when I fed it a full LDP and OSPF table from our
network.
We are a mainly Cisco and Mikrotik shop, however this is starting to change
as newer players enter the market, and are able to beat the bigger players
on price.


Longer term, I expect our core to contain little to no Cisco / $bigvendor,
mainly because we're at a scaling point where the $ vs performance is
heavily weighted against any of the big players. Why get a $40k router that
can do 20-30Gb/s of forwarding when you can get a  $10k L3 switch that can
do it all at line rate?



On Mon, Jul 4, 2016 at 12:35 PM Simon Attwell <simon at attwell.net> wrote:

> Hi All,
>
> Just curious how many of you have deployed / are deploying / Open
> Networking in production environments.
> I'm interested to see if ON is making its way down to the edge (1Gbps
> PoE/PoE+) or if it's mainly being used at the distribution / core layers or
> at the service provider level where there's little end device connectivity
> and it's more about moving the packets around.
>
> Comments on hardware choice / stability / longevity / MTBF / support, are
> also appreciated.
>
> From a Cumulus perspective it looks like 1 Gbps - 100Gbps is where things
> are focused.
> Nothing with PoE/PoE+ support so it looks like at the moment we're only
> talking about datacenter switching.
>
> What I don't see deployed today is a lot of technology mix, especially in
> switching. Customers have a preference and for support / interop / personal
> reasons tend to stick with a single vendor for switching.
> In the past this has made sense as switches did not always play well with
> others.
>
> I'm wondering what you all think the 3 - 5 year picture looks like.
>
> I suspect it looks a lot like the current virtualization market. A few
> major players with custom software built on open source foundations, being
> hardware agnostic and the holdouts trying to ignore the fact that the
> industry is fundamentally changing.
>
> - Simon
>
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