[187117] in North American Network Operators' Group
Re: New Switches with Broadcom StrataDNX
daemon@ATHENA.MIT.EDU (Jeff Tantsura)
Wed Jan 20 10:34:55 2016
X-Original-To: nanog@nanog.org
From: Jeff Tantsura <jeff.tantsura@ericsson.com>
To: Mark Tinka <mark.tinka@seacom.mu>
Date: Wed, 20 Jan 2016 15:34:49 +0000
In-Reply-To: <569F24E2.8020101@seacom.mu>
Cc: NANOG <nanog@nanog.org>
Errors-To: nanog-bounces@nanog.org
That's right, logic is in programming chips, not their property. You just n=
eed to know what to program ;-)
Regards,
Jeff
> On Jan 19, 2016, at 10:10 PM, Mark Tinka <mark.tinka@seacom.mu> wrote:
>=20
>=20
>=20
>> On 20/Jan/16 00:17, Phil Bedard wrote:
>>=20
>> Good point, there are many people looking at what I call FIB optimizatio=
n right now. The key is having the programmability on the device to make i=
t happen. Juniper/Cisco support it using policies to filter RIB->FIB and I=
believe both also do per-NPU/PFE localized FIBs now. I am not sure if that=
=92s something supported on this new Broadcom chipset. Depends on your net=
work of course and where you are looking to position the router. =20
>=20
> I don't think the FIB needs to have specific support for selective
> programming.
>=20
> I think that comes in the code to instruct the control plane what it
> should download to the FIB.
>=20
> Cisco's and Juniper's support of this is on FIB that has been in
> production long before the feature became available. It was just added
> to code.
>=20
> Mark.
