[c-nsp] flow spec

[Sergio D.]

I agree. It has great potential, and it will be useful for those familiar
with BGP and M-BGP.

On 12/3/06, Richard A Steenbergen <ras at e-gerbil.net> wrote:
>
> On Sun, Dec 03, 2006 at 12:06:22PM -0700, Sergio D. wrote:
> > Has Cisco implemented this yet?
> > http://www.tcb.net/draft-marques-idr-flow-spec-00.txt
>
> My understanding is that for some unknown reason Cisco flatly refuses to
> add this to BGP, and wants to implement a new protocol.
>
> The only thing I've heard which might hint to a reason is a belief that
> "complicating BGP with more features" is bad, which seems naive and
> outdated. In a modern multiprotocol BGP world all we're left with is a
> mature and well tested protocol for distributing NLRIs and attributes,
> cleanly seperated by AFI/SAFI. There is no real reason not use to BGP to
> transmit filtering information as flowspec does, but a lot of reasons why
> you should.
>
> Here's to hoping Cisco catches up to reality on this one. I used the heck
> out of flow-spec on Juniper's and it is a great way to handle distributed
> filtering. My only regret is that I couldn't get more customers to use it
> to feed me filter information for their own blocks. Maybe if it had
> support in zebra/quagga/whatever kids with linux boxes are using these
> days... :)
>
> --
> Richard A Steenbergen <ras at e-gerbil.net>       http://www.e-gerbil.net/ras
> GPG Key ID: 0xF8B12CBC (7535 7F59 8204 ED1F CC1C 53AF 4C41 5ECA F8B1 2CBC)
>



-- 
Sergio Danellli
JNCIE #170