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Re: [bess] I-D Action: draft-ietf-bess-evpn-ac-df-03.txt

Nabeel Cocker <nabeel@nuagenetworks.net> Mon, 29 January 2018 23:32 UTC

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From: Nabeel Cocker <nabeel@nuagenetworks.net>
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Date: Mon, 29 Jan 2018 18:31:55 -0500
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Subject: Re: [bess] I-D Action: draft-ietf-bess-evpn-ac-df-03.txt
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Support

Regards,
Nabeel

> On Jan 18, 2018, at 8:47 AM, internet-drafts@ietf.org wrote:
> 
> 
> A New Internet-Draft is available from the on-line Internet-Drafts directories.
> This draft is a work item of the BGP Enabled ServiceS WG of the IETF.
> 
>        Title           : AC-Influenced Designated Forwarder Election for EVPN
>        Authors         : Jorge Rabadan
>                          Kiran Nagaraj
>                          Senthil Sathappan
>                          Vinod Prabhu
>                          Autumn Liu
>                          Wen Lin
>    Filename        : draft-ietf-bess-evpn-ac-df-03.txt
>    Pages           : 10
>    Date            : 2018-01-18
> 
> Abstract:
>   The Designated Forwarder (DF) in EVPN networks is the PE responsible
>   for sending multicast, broadcast and unknown unicast traffic to a
>   multi-homed CE, on a given Ethernet Tag on a particular Ethernet
>   Segment (ES). The DF is selected based on the list of PEs that
>   advertise the Ethernet Segment Identifier (ESI) to the EVPN network.
>   While PE node or link failures trigger the DF re-election for a given
>   <ESI, EVI>, individual Attachment Circuit (AC) or MAC-VRF failures do
>   not trigger such DF re-election and the traffic may therefore be
>   permanently impacted, even though there is an alternative path. This
>   document improves the DF election algorithm so that the AC status can
>   influence the result of the election and this type of "logical"
>   failures can be protected too.
> 
> 
> 
> The IETF datatracker status page for this draft is:
> https://datatracker.ietf.org/doc/draft-ietf-bess-evpn-ac-df/
> 
> There are also htmlized versions available at:
> https://tools.ietf.org/html/draft-ietf-bess-evpn-ac-df-03
> https://datatracker.ietf.org/doc/html/draft-ietf-bess-evpn-ac-df-03
> 
> A diff from the previous version is available at:
> https://www.ietf.org/rfcdiff?url2=draft-ietf-bess-evpn-ac-df-03
> 
> 
> Please note that it may take a couple of minutes from the time of submission
> until the htmlized version and diff are available at tools.ietf.org.
> 
> Internet-Drafts are also available by anonymous FTP at:
> ftp://ftp.ietf.org/internet-drafts/
> 
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