[c-nsp] BGP Balancing

[Muhammad Jawwad Paracha]

Hi,

Agree with Jay, AS path prepending is one good option to influence inbound
traffic to load balance. Though you have to be precise with how many AS you
are prepending to exactly load balance. But I have seen in web hosting
environment that it sometime causes website user with problem of page not
loading properly.

These things need to be planned,and slowly implemented.

Regards,
Jawwad Paracha
IBM

On Mon, Mar 22, 2010 at 10:09 AM, Jay Hennigan <jay at west.net> wrote:

> On 3/21/10 9:53 PM, Chris Gotstein wrote:
> > It's actually both, but i'm mostly concerned with inbound traffic.
>
> Inbound is trickier than out

ound.  Many carriers offer a list of BGP
> communities which can be used to influence how they treat your
> advertisements, either by manipulating local preference, prepending, or
> both.
>
> Many are listed here:
>
> http://onesc.net/communities/
>
> but ask your upstreams to be sure.
>
> Make small changes slowly.  Verify with external looking-glass sites to
> ensure that you're getting the results you want.
>
>
> --
> Jay Hennigan - CCIE #7880 - Network Engineering - jay at impulse.net
> Impulse Internet Service  -  http://www.impulse.net/
> Your local telephone and internet company - 805 884-6323 - WB6RDV
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