[143086] in North American Network Operators' Group

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Re: Comcast Bussiness Class and GRE Tunnels

daemon@ATHENA.MIT.EDU (Joel Jaeggli)
Thu Jul 28 11:03:46 2011

From: Joel Jaeggli <joelja@bogus.com>
In-Reply-To: <ef9f7b43fdbb6071d292761b16e4546c@visp.net.lb>
Date: Thu, 28 Jul 2011 11:03:31 -0400
To: Denys Fedoryshchenko <denys@visp.net.lb>
Cc: nanog@nanog.org
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org


On Jul 27, 2011, at 5:05 PM, Denys Fedoryshchenko wrote:

> On Wed, 27 Jul 2011 10:15:04 -0500, David E. Smith wrote:

<snip>

>>>=20
> I think on cheap platforms, they have wirespeed gigabit only on =
switching functions, but rest will suck. Their top products can do more, =
but they are still cannot beat PC with Linux. RB1100, $400 for 150 Kpps =
with NAT and 300 Kpps without, it is not that good.

atheros ar7161 system on a chip can run as fast as 800mhz has dual gig-e =
macs and supports 32bit 66mhz pci operation and when coupled with a =
companion ethernet switch it can result in a fairly hefty little router =
platform.

an example of one would be

routerboard 433AH
or ubiquiti router-station pro.

BOM and flexibility is going to ultimately determine cost but these are =
substatially more powerful than a lot of smaller embedded platforms =
we've be using including geode/elan based pc devices.

> The only major and important difference in "schematics" with routers =
that can be reflashed is flash size and sometimes RAM. 64Mbit SPI flash =
2.12$, and Mikrotik uses this days 512Mbit NAND, $7.01 . ALso they have =
nice circuits for variable power, with DC-DC converter, but nothing =
unusual or innovative, like Cisco or others has. Before they had some =
funny circuit with Xilinx FPGA to run NOR flash over SPI.
> Note: DD-WRT on RT305x suck. Their wireless support are incomplete, =
and no NAT offload.
>=20
> ---
> System administrator
> Denys Fedoryshchenko
> Virtual ISP S.A.L.
>=20
>=20



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