[130232] in North American Network Operators' Group
Re: RIP Justification
daemon@ATHENA.MIT.EDU (Owen DeLong)
Wed Sep 29 23:44:49 2010
From: Owen DeLong <owen@delong.com>
In-Reply-To: <AANLkTi=JQ+xQ=hLgFT+NLQ3sFJznPUADDnnVO7xiVq8j@mail.gmail.com>
Date: Wed, 29 Sep 2010 20:40:16 -0700
To: Christopher Gatlin <chris@travelingtech.net>
Cc: nanog@nanog.org
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
On Sep 29, 2010, at 5:31 PM, Christopher Gatlin wrote:
> My point here is untrusted networks, such as business partners =
exchanging
> routes with each other. Not many hops and less than a 100 prefixes.
>=20
> Using BGP to exchange routes between these types of untrusted networks =
is
> like using a sledgehammer to crack a nut. BGP was designed for unique =
AS's
> to peer in large scale networks such as the internet. A far cry from
> business partners exchanging dynamic routes for fault tolerance.
>=20
No, it's like using a wrench to tighten a nut. Using RIPv2 for the task =
is like
using a pair of pliers.
> I've seen RIPv2 very successfully deployed in modern networks in this
> fashion. I advocate using an appropriate tool for the job.
>=20
So do I. Use a wrench, not a pair of pliers, no matter how much it =
seems
easier to reach the piers.
Owen
>=20
> Christopher Gatlin
> CCIE #15245 (R&S/Security)
>=20
>=20
> On Wed, Sep 29, 2010 at 6:57 PM, Mark Smith <
> nanog@85d5b20a518b8f6864949bd940457dc124746ddc.nosense.org> wrote:
>=20
>> On Wed, 29 Sep 2010 15:35:06 -0500
>> Christopher Gatlin <chris@travelingtech.net> wrote:
>>=20
>>> RIPv2 is a great dynamic routing protocol for exchanging routes with
>>> untrusted networks. RIPv2 has adjustable timers, filters, supports =
VLSM
>> and
>>> MD5 authentication. Since it's distance vector it's much easier to
>> filter
>>> than a protocol that uses a link state database that must be the =
same
>> across
>>> an entire area.
>>>=20
>>=20
>> I think BGP is better for that job, ultimately because it was
>> specifically designed for that job, but also because it's now =
available
>> in commodity routers for commodity prices e.g. Cisco 800 series.
>>=20
>>=20
>>=20
