[AusNOG] Deep buffer switches and CDN networks
tom at cloudflare.com
Fri May 24 23:31:23 EST 2019
Timely presentation from Netflix On this exact topic.
On Thu, May 23, 2019 at 7:52 AM Tom Paseka <tom at cloudflare.com> wrote:
> everything depends on your application and how you're moving traffic.
> if you lots of east-west flow (between equal speed interfaces, especially
> in many to one) you'll need buffers. If you're doing north to south traffic
> with interface change, you'll likely need buffers.
> The choice here might not have been for deep buffer, but for other
> capabilities (forwarding, route table size, etc). Dave mentions from a
> question there is no east-west traffic, everything is south-north.
> On Wed, May 22, 2019 at 5:46 AM Jason Leschnik <jason at leschnik.me> wrote:
>> Hi Noggers,
>> I just finished watching the NANOG presentation of Netflix
>> openconnect, I noticed that their core switch of choice was an Arista
>> 7500E which is a deep buffer switch. I remember seeing a lot of comments
>> around buffer bloat for deep buffer switches. Would this be considered an
>> acceptable use case for this type of switch in the DC?
>> Has anyone got experience with ideal switch types (shallow, deep buffers)
>> for edge CDN network deployments?
>>  - https://www.youtube.com/watch?v=tbqcsHg-Q_o
>> AusNOG mailing list
>> AusNOG at lists.ausnog.net
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