[129036] in North American Network Operators' Group
Re: PacketShader
daemon@ATHENA.MIT.EDU (Owen DeLong)
Mon Aug 23 16:17:11 2010
From: Owen DeLong <owen@delong.com>
In-Reply-To: <4C72CB32.70805@trelane.net>
Date: Mon, 23 Aug 2010 13:15:01 -0700
To: Andrew Kirch <trelane@trelane.net>
Cc: nanog@nanog.org
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
On Aug 23, 2010, at 12:25 PM, Andrew Kirch wrote:
> On 8/23/2010 1:17 PM, Joel Jaeggli wrote:
>> What it really comes down to is packets per watt or packets per =
dollar,
>> if it's cheaper to do it this way then people will, if not BFD.
>=20
> I disagree here. Core routing isn't purchased based on cost, it's =
purchased based on support. People have not adopted Vayetta, or =
Mikrotik or many of the other small routing platforms which are in fact =
MUCH cheaper than the bridge or the tree (cisco or juniper), and the =
reason is simply support.
>=20
I disagree. Core routing is about performance, and, the bridge and the =
tree simply outperform Vayetta
and Mikrotik on more realistic small packet sizes when it comes to =
forwarding rate, interface density,
and other issues.
Outside the core, you might be right about it being a question of =
support.
> If my router breaks beyond my ability to fix it I have a certified =
engineer (of some value or other) at my site with parts to fix it within =
4 hours. This is why people go with Cisco and Juniper. It's also a =
mechanism of CYA. Would we rather tell our boss that the company has =
responded and dropped the replacement part in the mail, or that a =
technician from the router supplier is on their way and will be here =
very shortly, and ooh, by the way, you did recommend redundant hardware =
when the piece that broke was purchased, and it was available at a =
discount.
>=20
That doesn't help as much as you might hope. I've had situations where =
it tool (bridge or tree) several months to resolve a
problem. I have a case open with one of those vendors now for a PMTU-D =
problem which has been ongoing for many months.
Often, I get an update saying it's been escalated to engineering, =
several weeks go by and I get a request for information
already provided.
Owen
