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Re: [bess] BDF Election in EVPN VPWS Single-Active Multihoming

Muthu Arul Mozhi Perumal <muthu.arul@gmail.com> Fri, 22 March 2019 17:41 UTC

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From: Muthu Arul Mozhi Perumal <muthu.arul@gmail.com>
Date: Fri, 22 Mar 2019 23:10:51 +0530
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To: "Rabadan, Jorge (Nokia - US/Mountain View)" <jorge.rabadan@nokia.com>
Cc: "bess@ietf.org" <bess@ietf.org>
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Subject: Re: [bess] BDF Election in EVPN VPWS Single-Active Multihoming
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Hi Jorge,

I didn't mean using different algorithms for electing the DF and BFD. I am
just asking which algorithm is most widely implemented/used for electing
the DF *and* BDF for EVPN VPWS single-active multihoming.

Regards,
Muthu

On Fri, Mar 22, 2019 at 7:47 PM Rabadan, Jorge (Nokia - US/Mountain View) <
jorge.rabadan@nokia.com> wrote:

> The implementations I know use the same DF Alg for DF election _*and*_
> backup DF Election. And I don’t see why you would use something different?
>
> In other words, if you use e.g., Pref based DF Alg, use it for DF and BDF
> elections. Only that the BDF election excludes the DF from the candidate
> list.
>
>
>
> Thx
>
> Jorge
>
>
>
> *From: *BESS <bess-bounces@ietf.org> on behalf of Muthu Arul Mozhi
> Perumal <muthu.arul@gmail.com>
> *Date: *Friday, March 22, 2019 at 4:23 AM
> *To: *"bess@ietf.org" <bess@ietf.org>
> *Subject: *[bess] BDF Election in EVPN VPWS Single-Active Multihoming
>
>
>
> While RFC 8214 doesn't recommend any DF election algorithm capable of
> electing the BDF in EVPN VPWS single-active multihoming for deciding the
> backup PE, any feedback on what is(are) the widely implemented/supported DF
> election  algorithm(s) by vendors?
>
>
>
> Regards,
>
> Muthu
>

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