nanog mailing list archives

Re: Arista Routing Solutions


From: Ryan Woolley <rwoolleynanog () gmail com>
Date: Tue, 26 Apr 2016 12:32:29 -0400

IOS-XR on ASR 9k and Junos on MX.

For our use case, there's no longer anything limiting as compared to those
platforms.  BGP policy is perhaps not as rich as you might be used to if
your experience is with the sort of routers traditionally marketed to
service providers, but I'm sure that will get better, and it's probably
irrelevant if your policy is fairly static.

You are correct that we do collect a lot of flow data, both via sflow and
Netflow.  We've been able to do everything we need with Arista's sflow
implementation.

On Mon, Apr 25, 2016 at 6:41 PM, Colton Conor <colton.conor () gmail com>
wrote:

Ryan,

What routing platform were you coming from before? What features does
Arista not have that you find limiting that the old platform did have?

How does Astira's Sflow only compare to having Cisco Netflow or Juniper
JFlow for traffic monitoring which I assume Netflix does alot of?

On Wed, Apr 20, 2016 at 3:48 PM, Ryan Woolley <rwoolleynanog () gmail com>
wrote:

Colton Conor wrote:
I know Arista is typically a switch manufacturer, but with their
recently
announced Arista 7500R Series and soon to be announced but already
shipping
7280R Series Arista is officially getting into the routing game. The
fixed
1U 7280R Series looks quite impressive. The 7500R series is your
traditional chassis and line card based solution.

Both of these products have the ability to hold the full internet
routing
table, and Arista is working on MPLS features. Both of these new
products
use the latest Broadcom Jerico chipsets.

We (Netflix) have been deploying the previous gen (7500E) as edge routers
for about two years in high traffic, low route count applications in our
CDN, and have been working with Arista for almost as long to improve route
scale so that we could turn off all our traditional routers.

The features that enable full routes on Jericho are running in our
production network today and we also have the 7500R and 7280R working with
full tables.

I can't speak to MPLS, but for our use case (all L3, very high-density
10/40/100G, BGP, IS-IS and light QoS), it's working well.

So, yes, I'd say those two products are quite viable and competitive
options in the edge router space.





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