Re: [Idr] New Version Notification for draft-wang-idr-rd-orf-03.txt

[Gyan Mishra <[e-mail]>]

On Wed, Aug 26, 2020 at 12:08 PM Robert Raszuk <[e-mail]> wrote:

>
> > Gyan> The primary use case is for inter as opt a or b flood of routes
> and there it is very difficult to control
> > in either scenario as it is going between administrative domains.
>
> For inter-as option A you should use prefix limit between VRFs.
>

   Gyan>Understood sorry I meant B and C.

>
> For inter-as option B & C it is very seldom to see opening up anyone's
> network across different admin domains. Lot's of things can break. The only
> deployments I have seen for option B & C were across multiple domains under
> the *same* administration.
>

   Gyan> Agreed I think more so for M&A  or where there is a trust
relationship between providers.  In general its options A or AB between
providers.

>
> However if you are concerned about B & C I would rather ask your vendor to
> provide perfix limit on a per RD basis for VPNv4/v6 or EVPN sessions - no
> best path run needed. Very simple implementation extension and you are
> protected without any bgp protocol extensions.
>
> Thx,
> R.
>
>
>
>
>
>
>
> --

<http://www.verizon.com/>

*Gyan Mishra*

*Network Solutions A**rchitect *



*M 301 502-134713101 Columbia Pike *Silver Spring, MD