Vyatta as a BRAS

Fri Jul 16 16:17:46 UTC 2010

On 7/16/10 6:02 AM, Valdis.Kletnieks at vt.edu wrote:
> On Thu, 15 Jul 2010 20:57:15 PDT, Henry Linneweh said:
>> Can we get a consensus definition on these definition's and what hardware
>> vender's make edge routers and what hardware vender's make core routers.
>
> I got a router, it's got 5-6 10GE interfaces talking to other routers on
> my network backbone, and a bunch of 10GE links to end-user-facing aggregation
> switches. Since it's only forwarding inside my network, it's a core router
> by your definition.
>
> I now turn up an identical hardware 10GE link - connected to Level3. I just
> became an edge router by your definition since I'm talking to another network.
> (I know, I probably don't want to do that - but I *could*, maybe even without
> a full BGP feed if the routing situation allows. The point is the definition
> is busticated).

There's also virtualization due to the ubiquitous deployment of VRF's 
moderate to size extra-large routers are entirely likely to be serving 
in multiple roles.

> Adding to the confusion is the fact that the edge routers of some large providers
> need more capacity than the core routers of smaller organizations....
>
> Maybe we need to ditch the terms edge and core, and instead talk about:
>
> 1/4" plastic tubing - http://www.waterfiltermart.com/images/products/preview/plastic_tubing_and_nut.jpg
> garden hose - http://upload.wikimedia.org/wikipedia/commons/thumb/c/cd/Garden_hose.jpg/800px-Garden_hose.jpg
> fire hose - http://www.firetrainingcenter.com/images/FireHoseStreams.jpg
> NYC Delaware Aqueduct - http://www.allpropertymanagement.com/blog/2010/02/09/worlds-awesome-tunnels/
>
> Everybody good with that? ;)
>
> (Man.. it *leaks* 15 million gallons a day. That's capacity. :)