Re: [Idr] I-D Action: draft-ietf-idr-flowspec-l2vpn-09.txt

Jeff Tantsura <jefftant.ietf@gmail.com> Mon, 07 January 2019 05:23 UTC

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From: Jeff Tantsura <jefftant.ietf@gmail.com>
Date: Sun, 6 Jan 2019 21:23:21 -0800
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To: Robert Raszuk <robert@raszuk.net>
Cc: "idr@ietf. org" <idr@ietf.org>
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Subject: Re: [Idr] I-D Action: draft-ietf-idr-flowspec-l2vpn-09.txt
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+1

On Thu, Jan 3, 2019 at 03:04 Robert Raszuk <robert@raszuk.net> wrote:

> Hi,
>
> Two observations:
>
> 1.
>
>
> The current draft extends exisiting SAFI 134 with new NLRI types.
>
> That means that now we have new giant NLRI in SAFI 134.
>
>
> Have any consideration been made to just define a new flow spec
>
> SAFI instead for L2 filtering ? I am quite skeptical from implementation,
>
> operational and deployment points of view to extend the existing SAFI and it
>
> makes a gradual deployment a nightmare if not mission impossible.
>
>
> Any change to NLRI format without signalling it with new capability is
>
> far from good practice.
>
>
> 2.
>
>
> The draft is pretty silent on adjusting validation procedures to make sure only
>
> senders of the original L2 information may inject the L2 flow routes..
>
>
> I would hope that this is basic omission and will be consider for addition into
>
> next version of he draft.
>
>
>
> Thx,
>
> R.
>
>
>
>
>
> On Thu, Jan 3, 2019 at 10:33 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 Inter-Domain Routing WG of the IETF.
>>
>>         Title           : BGP Dissemination of L2VPN Flow Specification
>> Rules
>>         Authors         : Weiguo Hao
>>                           Donald E. Eastlake, 3rd
>>                           James Uttaro
>>                           Stephane Litkowski
>>                           Shunwan Zhuang
>>         Filename        : draft-ietf-idr-flowspec-l2vpn-09.txt
>>         Pages           : 13
>>         Date            : 2019-01-03
>>
>> Abstract:
>>    This document defines a BGP flow-spec extension to disseminate L2 VPN
>>    Ethernet traffic filtering rules.  SAFI=134 in [RFC5575] is redefined
>>    for this purpose.  A new subset of component types and extended
>>    community also are defined.  A new subset of component types and new
>>    extended community also are defined.
>>
>>
>>
>> The IETF datatracker status page for this draft is:
>> https://datatracker.ietf.org/doc/draft-ietf-idr-flowspec-l2vpn/
>>
>> There are also htmlized versions available at:
>> https://tools.ietf.org/html/draft-ietf-idr-flowspec-l2vpn-09
>> https://datatracker.ietf.org/doc/html/draft-ietf-idr-flowspec-l2vpn-09
>>
>> A diff from the previous version is available at:
>> https://www.ietf.org/rfcdiff?url2=draft-ietf-idr-flowspec-l2vpn-09
>>
>>
>> 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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>>
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