John,

Thanks, much appreciated.

And for Stephane and Matthew, seeing as I just contributed some text, I'm
not aware of any IPR associated with this draft.

Cheers,
Andy


On Mon, Jan 28, 2019 at 8:07 AM John E Drake <jdr...@juniper.net> wrote:

> Andy,
>
>
>
> We’ll add it to the next revision.  Thanks for your help.
>
>
>
> Yours Irrespectively,
>
>
>
> John
>
>
>
> *From:* Andrew G. Malis <agma...@gmail.com>
> *Sent:* Sunday, January 27, 2019 11:48 AM
> *To:* John E Drake <jdr...@juniper.net>
> *Cc:* Henderickx, Wim (Nokia - BE/Antwerp) <wim.henderi...@nokia.com>;
> stephane.litkow...@orange.com; bess@ietf.org; bess-cha...@ietf.org
> *Subject:* Re: [bess] WGLC, IPR and implementation poll for
> draft-ietf-bess-nsh-bgp-control-plane
>
>
>
> John,
>
>
>
> Thanks for confirming, that makes me very comfortable with the readability
> of your draft, seeing as I was able to get it right the first time. :-)
>
>
>
> I'd like to request the addition of the following text (or similar, feel
> free to edit for readability and/or correctness), after which I'll be happy
> to support publication of the draft.
>
>
>
>
>
> 7.8 Support for MPLS-Encapsulated NSH Packets
>
>
>
> [I-D.ietf-mpls-sfc-encapsulation] describes how to transport SFC packets
> using the NSH over an MPLS transport network. Signaling MPLS encapsulation
> of SFC packets using the NSH is also supported by this document by using
> the "BGP Tunnel Encapsulation Attribute Sub-TLV" with the codepoint 10
> (representing "MPLS Label Stack") from the "BGP Tunnel Encapsulation
> Attribute Sub-TLVs" registry defined in [I-D.ietf-idr-tunnel-encaps], and
> also using the "SFP Traversal With MPLS Label Stack TLV" and the "SPI/SI
> Representation sub-TLV" with bit 0 set and bit 1 cleared.
>
>
>
>
>
> BTW, draft-ietf-mpls-sfc-encapsulation has already been submitted to the
> IESG for publication, so adding the reference won't add any delay to this
> draft.
>
>
>
> Thanks again,
>
> Andy
>
>
>
>
>
> On Sun, Jan 27, 2019 at 10:19 AM John E Drake <jdr...@juniper.net> wrote:
>
> Andy,
>
>
>
> That sounds right.
>
>
>
> Yours Irrespectively,
>
>
>
> John
>
>
>
> *From:* Andrew G. Malis <agma...@gmail.com>
> *Sent:* Friday, January 25, 2019 6:32 PM
> *To:* John E Drake <jdr...@juniper.net>
> *Cc:* Henderickx, Wim (Nokia - BE/Antwerp) <wim.henderi...@nokia.com>;
> stephane.litkow...@orange.com; bess@ietf.org; bess-cha...@ietf.org
> *Subject:* Re: [bess] WGLC, IPR and implementation poll for
> draft-ietf-bess-nsh-bgp-control-plane
>
>
>
> John,
>
>
>
> So, in order to support draft-ietf-mpls-sfc-encapsulation, looking
> at draft-ietf-idr-tunnel-encaps, you would use the value 10 from the "BGP
> Tunnel Encapsulation Attribute Sub-TLVs" registry, and also from your draft
> use the SFP Traversal With MPLS Label Stack TLV and the SPI/SI
> Representation sub-TLV with bit 0 set and bit 1 cleared? I just want to
> make sure I correctly read the details.
>
>
>
> Thanks,
>
> Andy
>
>
>
> On Tue, Jan 22, 2019 at 1:15 PM John E Drake <jdr...@juniper.net> wrote:
>
> Wim,
>
>
>
> The subject draft was designed w/ NSH in mind.  We added an MPLS
> representation of the NSH later, which is the subject of the first draft
> you referenced, below.
>
>
>
> The way the subject draft is written, the representation of the NSH  and
> the type of transport tunnel can change on a hop-by-hop basis at the
> discretion of the selected next-hop SFF.  This is through the use of the
> encapsulation attribute, which gives us a very open-ended framework in
> which to work.
>
>
>
> I think the latter two drafts you referenced, below, are actually
> supported already but what needs to be written down is exactly what an SFF
> needs to advertise in the encapsulation attribute in order to support
> them.
>
>
>
> I would be happy to work on this w/ anyone else who is interested.
>
>
>
> Yours Irrespectively,
>
>
>
> John
>
>
>
> *From:* BESS <bess-boun...@ietf.org> *On Behalf Of *Henderickx, Wim
> (Nokia - BE/Antwerp)
> *Sent:* Tuesday, January 22, 2019 12:00 PM
> *To:* stephane.litkow...@orange.com; bess@ietf.org
> *Cc:* bess-cha...@ietf.org
> *Subject:* Re: [bess] WGLC, IPR and implementation poll for
> draft-ietf-bess-nsh-bgp-control-plane
>
>
> I need to get into more details, but the current draft is written with 
> draft-ietf-mpls-sfc-04
> dataplane in mind. I believe that the draft can be useful with other
> dataplanes like: draft-ietf-mpls-sfc-encapsulation and
> draft-guichard-spring-nsh-s
>
> So I would like the see the BGP control plane extensions here to become
> more generic to support multiple data-planes options. I need to go in more
> detail, but from high level this is my feedback here. I don’t want to
> stop/block this work as I believe this is a very useful proposal, but if we
> make it more generic it can serve a bigger purpose.
>
>
>
> So I would like to see the following:
>
>    1. Protocol draft
>    2. Use case drafts for the different data planes.
>
>
>
> My 2 cents.
>
>
>
> *From: *BESS <bess-boun...@ietf.org> on behalf of Stephane Litkowski <
> stephane.litkow...@orange.com>
> *Date: *Monday, 21 January 2019 at 08:06
> *To: *"bess@ietf.org" <bess@ietf.org>
> *Cc: *"bess-cha...@ietf.org" <bess-cha...@ietf.org>
> *Subject: *[bess] WGLC, IPR and implementation poll for
> draft-ietf-bess-nsh-bgp-control-plane
>
>
>
> Hello Working Group,
>
>
>
> This email starts a three weeks Working Group Last Call on
>  draft-ietf-bess-nsh-bgp-control-plane [1].
>
>
>
> This poll runs until *the 4th of February*.
>
>
>
> We are also polling for knowledge of any undisclosed IPR that applies to
> this Document, to ensure that IPR has been disclosed in compliance with
> IETF IPR rules (see RFCs 3979, 4879, 3669 and 5378 for more details).
>
> If you are listed as an Author or a Contributor of this Document please
> respond to this email and indicate whether or not you are aware of any
> relevant undisclosed IPR. The Document won't progress without answers from
> all the Authors and Contributors.
>
>
>
> We have several IPRs already disclosed.
>
>
>
> If you are not listed as an Author or a Contributor, then please
> explicitly respond only if you are aware of any IPR that has not yet been
> disclosed in conformance with IETF rules.
>
>
>
> We are also polling for any existing implementation as per [2].
>
>
>
>     Thank you,
>
>     Stephane & Matthew
>
>
>
>     [1]
> https://datatracker.ietf.org/doc/draft-ietf-bess-nsh-bgp-control-plane/
> <https://urldefense.proofpoint.com/v2/url?u=https-3A__datatracker.ietf.org_doc_draft-2Dietf-2Dbess-2Dnsh-2Dbgp-2Dcontrol-2Dplane_&d=DwMGaQ&c=HAkYuh63rsuhr6Scbfh0UjBXeMK-ndb3voDTXcWzoCI&r=CRB2tJiQePk0cT-h5LGhEWH-s_xXXup3HzvBSMRj5VE&m=NmtJTnm15eI5V8pM4BEFevbruNYPMxijWj6csDXLze8&s=TfgMeOz6kzVSiGyw-h1RMGo9QIYi6K9bz8AcyCd3BNI&e=>
>
>
>
>     [2]
> https://mailarchive.ietf.org/arch/msg/bess/cG3X1tTqb_vPC4rg56SEdkjqDpw
> <https://urldefense.proofpoint.com/v2/url?u=https-3A__mailarchive.ietf.org_arch_msg_bess_cG3X1tTqb-5FvPC4rg56SEdkjqDpw&d=DwMGaQ&c=HAkYuh63rsuhr6Scbfh0UjBXeMK-ndb3voDTXcWzoCI&r=CRB2tJiQePk0cT-h5LGhEWH-s_xXXup3HzvBSMRj5VE&m=NmtJTnm15eI5V8pM4BEFevbruNYPMxijWj6csDXLze8&s=hHwZCKH4zzsnENDFhTn86H9rP-vyWW-Wux-hC7pP6BE&e=>
>
>
>
>
>
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