Re: [bess] FW: WG adoption call for draft-chen-idr-bier-te-path-04.txt (6/22/2022 to 7/6/2022

[Gyan Mishra]

I support WG Adoption.

This draft provides an appropriate BGP mechanism using a new AFI / SAFI and
TEA for a BGP controller to distribute BIER information to instantiate the
BIER TE path.

This a BGP centralized controller (SDN) mechanism to instantiate a BIER TE
path.

There is a another draft that provides a similar solution using PCECC
centralized SDN controller extension  to instantiate the BIER TE  path.

https://datatracker.ietf.org/doc/html/draft-chen-pce-controller-bier-te-03

Both solutions integrate well into the BIER TE architecture and provides
operator flexibility of using PCEP or BGP controller.

I agree that this BGP Controller based BIER TE mechanism would integrate
well into the BIER TE architecture.

BIER MVPN draft below provides a new BIER PTA tunnel ID addition to RFC
6513 & 6514 MVPN procedures.

https://datatracker.ietf.org/doc/html/draft-ietf-bier-mvpn

This draft is providing a centralized BGP controller based solution versus
a distributed solution, however I believe it could be applicable to a
distributed solution X-PMSI P-TREE instantiation of MVPN with the new BIER
PTA above draft which could use this drafts BGP mechanism in a distributed
fashion to instantiate the BIER TE path for the new BIER  PTA.

As most operators are moving towards If they have not already done so
towards a centralized SDN model versus a distributed or hybrid model, I
believe this draft will be highly valuable for operators deployment of
BIER-TE in an automated fashion.

Kind Regards

Gyan


On Wed, Jun 22, 2022 at 12:17 PM Susan Hares  wrote:

> Bess WG:
>
>
>
> IDR has begun an adoption call for draft-chen-idr-bier-te-path-04.txt.
>
> since this document specifies BGP mechanisms
>
> (an NLRI and additions to the BGP TEA), the adoption call
>
> Is going on in IDR.
>
>
>
> We welcome your comments on this draft on the IDR thread:
>
> (click below to go directly to the mail thread online)
>
> https://mailarchive.ietf.org/arch/msg/idr/tKgu_S5_32_l5YzWfO8481hpRRY/
>
>
>
> The IDR Chairs would appreciate feedback on
>
> how this interacts with existing multicast VPNs specifications
>
> existing (specified in the bess WG  or other WGs).
>
>
>
> Another avenue of input is to provide feedback directly to the
>
> bess chairs.   The IDR Chairs will be checking with the bess chairs
>
> prior to finalizing the adoption of this attribute.
>
>
>
> Cheers,
>
> Sue Hares
>
> (IDR co-chair, document shepherd)
>
>
>
>
>
> *From:* Susan Hares
> *Sent:* Wednesday, June 22, 2022 12:05 PM
> *To:* i...@ietf.org
> *Subject:* WG adoption call for draft-chen-idr-bier-te-path-04.txt
> (6/22/2022 to 7/6/2022
>
>
>
> This begins a 2 week Adoption call (6/22/2022 to 7/6/2022)
>
> for draft-chen-idr-bier-te-path-04.txt
>
> (https://datatracker.ietf.org/doc/draft-chen-idr-bier-te-path/).
>
>
>
> This draft provides extensions to BGP to distribute BIER
>
> (bit replication traffic/tree) data via BGP using a
>
> new NLRI (AFI = IPv4 or IPv6, new SAFI) and
>
> new options for the Tunnel Encapsulation Attribute (TEA).
>
> The NLRI includes an RD + Bier Domain tunnel identifier.
>
>
>
> In your comments, please consider if this draft:
>
>
>
> 1) Does this draft specify appropriate BGP mechanisms for
>
> a controller to distribute bier information?
>
>
>
> 2) Does this mechanism correctly integrates into
>
> a) the BIER architecture (draft-ietf-bier-te-arch) and
>
> b) Multicast VPNs (BESS)?
>
>
>
> 3) Will this technology aid the deployment of
>
> Bier multicast forwarding in operational networks?
>
>
>
> Cheers, Sue
> ___
> BESS mailing list
> BESS@ietf.org
> https://www.ietf.org/mailman/listinfo/bess
>
-- 



*Gyan Mishra*

*Network Solutions A**rchitect *

*Email gyan.s.mis...@verizon.com *



*M 301 502-1347*
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[bess] IPR Disclosure Cisco Systems, Inc.'s Statement about IPR related to draft-ietf-bess-evpn-modes-interop

[IETF Secretariat]

Dear Lukas Krattiger, Ali Sajassi, Samir Thoria, Jorge Rabadan, John Drake:


An IPR disclosure that pertains to your Internet-Draft entitled "EVPN
Interoperability Modes" (draft-ietf-bess-evpn-modes-interop) was submitted to
the IETF Secretariat on 2022-06-23 and has been posted on the "IETF Page of
Intellectual Property Rights Disclosures"
(https://datatracker.ietf.org/ipr/5704/). The title of the IPR disclosure is
"Cisco Systems, Inc.'s Statement about IPR related to
draft-ietf-bess-evpn-modes-interop"


Thank you

IETF Secretariat


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Re: [bess] I-D Action: draft-ietf-bess-evpn-mh-split-horizon-03.txt

[slitkows.ietf]

Hi Gyan, Anoop,

 

As you commented during the WGLC, could you please confirm that this new
version is OK for you ? Then, we'll move fwd.

 

Thanks,

 

Stephane

 

 

From: BESS  On Behalf Of Rabadan, Jorge (Nokia -
US/Sunnyvale)
Sent: jeudi 23 juin 2022 13:17
To: bess@ietf.org
Subject: Re: [bess] I-D Action: draft-ietf-bess-evpn-mh-split-horizon-03.txt

 

FYI

 

This is an update of the draft that addresses the comments made during the
WGLC. Some other changes are added to improve readability. 

Please let us know if you have comments.

 

Thank you!

Jorge

 

From: BESS mailto:bess-boun...@ietf.org> > on behalf
of internet-dra...@ietf.org 
mailto:internet-dra...@ietf.org> >
Date: Thursday, June 23, 2022 at 1:12 PM
To: i-d-annou...@ietf.org 
mailto:i-d-annou...@ietf.org> >
Cc: bess@ietf.org   mailto:bess@ietf.org> >
Subject: [bess] I-D Action: draft-ietf-bess-evpn-mh-split-horizon-03.txt


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   : EVPN Multi-Homing Extensions for Split Horizon
Filtering
Authors : Jorge Rabadan
  Kiran Nagaraj
  Wen Lin
  Ali Sajassi
Filename: draft-ietf-bess-evpn-mh-split-horizon-03.txt
Pages   : 18
Date: 2022-06-23

Abstract:
   Ethernet Virtual Private Network (EVPN) is commonly used along with
   Network Virtualization Overlay (NVO) tunnels, as well as MPLS and
   Segment Routing tunnels.  The EVPN multi-homing procedures may be
   different depending on the tunnel type used in the EVPN Broadcast
   Domain.  In particular, there are two multi-homing Split Horizon
   procedures to avoid looped frames on the multi-homed CE: ESI Label
   based and Local Bias.  ESI Label based Split Horizon is used for
   MPLSoX tunnels, E.g., MPLSoUDP, whereas Local Bias is used for
   others, E.g., VXLAN tunnels.  The existing specifications do not
   allow the operator to decide which Split Horizon procedure to use for
   tunnel encapsulations that could support both.  Examples of tunnels
   that may support both procedures are MPLSoGRE, MPLSoUDP, GENEVE or
   SRv6.  This document extends the EVPN Multi-Homing procedures so that
   an operator can decide the Split Horizon procedure for a given tunnel
   depending on their own requirements.


The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-bess-evpn-mh-split-horizon/

There is also an htmlized version available at:
https://datatracker.ietf.org/doc/html/draft-ietf-bess-evpn-mh-split-horizon-
03

A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url2=draft-ietf-bess-evpn-mh-split-horizon-03


Internet-Drafts are also available by rsync at
rsync.ietf.org::internet-drafts


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[bess] I-D Action: draft-ietf-bess-pbb-evpn-isid-cmacflush-05.txt

[internet-drafts]

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   : PBB-EVPN ISID-based CMAC-Flush
Authors : Jorge Rabadan
  Senthil Sathappan
  Kiran Nagaraj
  M. Miyake
  T. Matsuda
Filename: draft-ietf-bess-pbb-evpn-isid-cmacflush-05.txt
Pages   : 12
Date: 2022-06-23

Abstract:
   Provider Backbone Bridging (PBB) can be combined with Ethernet VPN
   (EVPN) to deploy Ethernet Local Area Network (ELAN) services in large
   Multi-Protocol Label Switching (MPLS) networks (PBB-EVPN).  Single-
   Active Multi-homing and per-I-SID (per Service Instance Identifier)
   Load-Balancing can be provided to access devices and aggregation
   networks.  In order to speed up the network convergence in case of
   failures on Single-Active Multi-Homed Ethernet Segments, PBB-EVPN
   defines a flush mechanism for Customer MACs (CMAC-flush) that works
   for different Ethernet Segment Backbone MAC (BMAC) address allocation
   models.  This document complements those CMAC-flush procedures for
   cases in which no PBB-EVPN Ethernet Segments are defined (the
   attachment circuit is associated to a zero Ethernet Segment
   Identifier) and a Service Instance Identifier based (I-SID-based)
   CMAC-flush granularity is required.


The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-bess-pbb-evpn-isid-cmacflush/

There is also an htmlized version available at:
https://datatracker.ietf.org/doc/html/draft-ietf-bess-pbb-evpn-isid-cmacflush-05

A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url2=draft-ietf-bess-pbb-evpn-isid-cmacflush-05


Internet-Drafts are also available by rsync at rsync.ietf.org::internet-drafts


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[bess] I-D Action: draft-ietf-bess-evpn-irb-mcast-07.txt

[internet-drafts]

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   : EVPN Optimized Inter-Subnet Multicast (OISM) 
Forwarding
Authors : Wen Lin
  Zhaohui Zhang
  John Drake
  Eric C. Rosen
  Jorge Rabadan
  Ali Sajassi
Filename: draft-ietf-bess-evpn-irb-mcast-07.txt
Pages   : 77
Date: 2022-06-23

Abstract:
   Ethernet VPN (EVPN) provides a service that allows a single Local
   Area Network (LAN), comprising a single IP subnet, to be divided into
   multiple "segments".  Each segment may be located at a different
   site, and the segments are interconnected by an IP or MPLS backbone.
   Intra-subnet traffic (either unicast or multicast) always appears to
   the endusers to be bridged, even when it is actually carried over the
   IP or MPLS backbone.  When a single "tenant" owns multiple such LANs,
   EVPN also allows IP unicast traffic to be routed between those LANs.
   This document specifies new procedures that allow inter-subnet IP
   multicast traffic to be routed among the LANs of a given tenant,
   while still making intra-subnet IP multicast traffic appear to be
   bridged.  These procedures can provide optimal routing of the inter-
   subnet multicast traffic, and do not require any such traffic to
   leave a given router and then reenter that same router.  These
   procedures also accommodate IP multicast traffic that needs to travel
   to or from systems that are outside the EVPN domain.


The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-bess-evpn-irb-mcast/

There is also an htmlized version available at:
https://datatracker.ietf.org/doc/html/draft-ietf-bess-evpn-irb-mcast-07

A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url2=draft-ietf-bess-evpn-irb-mcast-07


Internet-Drafts are also available by rsync at rsync.ietf.org::internet-drafts


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Re: [bess] I-D Action: draft-ietf-bess-evpn-mh-split-horizon-03.txt

[Rabadan, Jorge (Nokia - US/Sunnyvale)]

FYI

This is an update of the draft that addresses the comments made during the 
WGLC. Some other changes are added to improve readability.
Please let us know if you have comments.

Thank you!
Jorge

From: BESS  on behalf of internet-dra...@ietf.org 

Date: Thursday, June 23, 2022 at 1:12 PM
To: i-d-annou...@ietf.org 
Cc: bess@ietf.org 
Subject: [bess] I-D Action: draft-ietf-bess-evpn-mh-split-horizon-03.txt

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   : EVPN Multi-Homing Extensions for Split Horizon 
Filtering
Authors : Jorge Rabadan
  Kiran Nagaraj
  Wen Lin
  Ali Sajassi
Filename: draft-ietf-bess-evpn-mh-split-horizon-03.txt
Pages   : 18
Date: 2022-06-23

Abstract:
   Ethernet Virtual Private Network (EVPN) is commonly used along with
   Network Virtualization Overlay (NVO) tunnels, as well as MPLS and
   Segment Routing tunnels.  The EVPN multi-homing procedures may be
   different depending on the tunnel type used in the EVPN Broadcast
   Domain.  In particular, there are two multi-homing Split Horizon
   procedures to avoid looped frames on the multi-homed CE: ESI Label
   based and Local Bias.  ESI Label based Split Horizon is used for
   MPLSoX tunnels, E.g., MPLSoUDP, whereas Local Bias is used for
   others, E.g., VXLAN tunnels.  The existing specifications do not
   allow the operator to decide which Split Horizon procedure to use for
   tunnel encapsulations that could support both.  Examples of tunnels
   that may support both procedures are MPLSoGRE, MPLSoUDP, GENEVE or
   SRv6.  This document extends the EVPN Multi-Homing procedures so that
   an operator can decide the Split Horizon procedure for a given tunnel
   depending on their own requirements.


The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-bess-evpn-mh-split-horizon/

There is also an htmlized version available at:
https://datatracker.ietf.org/doc/html/draft-ietf-bess-evpn-mh-split-horizon-03

A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url2=draft-ietf-bess-evpn-mh-split-horizon-03


Internet-Drafts are also available by rsync at rsync.ietf.org::internet-drafts


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[bess] I-D Action: draft-ietf-bess-evpn-mh-split-horizon-03.txt

[internet-drafts]

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   : EVPN Multi-Homing Extensions for Split Horizon 
Filtering
Authors : Jorge Rabadan
  Kiran Nagaraj
  Wen Lin
  Ali Sajassi
Filename: draft-ietf-bess-evpn-mh-split-horizon-03.txt
Pages   : 18
Date: 2022-06-23

Abstract:
   Ethernet Virtual Private Network (EVPN) is commonly used along with
   Network Virtualization Overlay (NVO) tunnels, as well as MPLS and
   Segment Routing tunnels.  The EVPN multi-homing procedures may be
   different depending on the tunnel type used in the EVPN Broadcast
   Domain.  In particular, there are two multi-homing Split Horizon
   procedures to avoid looped frames on the multi-homed CE: ESI Label
   based and Local Bias.  ESI Label based Split Horizon is used for
   MPLSoX tunnels, E.g., MPLSoUDP, whereas Local Bias is used for
   others, E.g., VXLAN tunnels.  The existing specifications do not
   allow the operator to decide which Split Horizon procedure to use for
   tunnel encapsulations that could support both.  Examples of tunnels
   that may support both procedures are MPLSoGRE, MPLSoUDP, GENEVE or
   SRv6.  This document extends the EVPN Multi-Homing procedures so that
   an operator can decide the Split Horizon procedure for a given tunnel
   depending on their own requirements.


The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-bess-evpn-mh-split-horizon/

There is also an htmlized version available at:
https://datatracker.ietf.org/doc/html/draft-ietf-bess-evpn-mh-split-horizon-03

A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url2=draft-ietf-bess-evpn-mh-split-horizon-03


Internet-Drafts are also available by rsync at rsync.ietf.org::internet-drafts


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Re: [bess] WG Last Call, IPR and Implementation Poll for draft-ietf-bess-pbb-evpn-isid-cmacflush-02

[三宅 正浩（ネットワーク運用本部）- Miyake Masahiro -]

Dear all

Sorry, I missed the last call.

As a co-author, I support the publication of this document as a standards
track RFC.
I am not aware of any associated IPR.

Thank you,

Masahiro MIyake ,
SoftBank

2021年10月21日(木) 19:56 Sales, Bernard (Nokia - BE/Antwerp) <
bernard.sa...@nokia.com>:

> Hello,
>
>
>
> Having reviewed draft-ietf-bess-pbb-evpn-isid-cmacflush-02, I support its
> adoption. I would like to see it published as a Standards Track RFC.
>
>
>
> Many Thanks,
>
>
>
> -- Brd
>
>
>
> *From:* BESS  *On Behalf Of *Bocci, Matthew (Nokia
> - GB)
> *Sent:* Tuesday, June 1, 2021 2:48 PM
> *To:* bess@ietf.org
> *Cc:* draft-ietf-bess-pbb-evpn-isid-cmacfl...@ietf.org;
> bess-cha...@ietf.org
> *Subject:* [bess] WG Last Call, IPR and Implementation Poll for
> draft-ietf-bess-pbb-evpn-isid-cmacflush-02
>
>
>
> This email starts a two-week working group last call for 
> draft-ietf-bess-pbb-evpn-isid-cmacflush-02
>  [1]
>
>
>
> Please review the draft and send any comments to the BESS list. Also,
> please indicate if you support publishing the draft as a Standards Track
> RFC.
>
>
>
> This poll runs until the 15th June 2021.
>
>
>
> 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.
>
> There are currently no IPR disclosures.
>
>
>
> In addition, we are polling for knowledge of implementations of this
> draft, per the BESS policy in [2].
>
>
>
> Thank you,
>
> Matthew & Stephane
>
>
>
>
>
> [1] draft-ietf-bess-pbb-evpn-isid-cmacflush-02 - PBB-EVPN ISID-based
> CMAC-Flush
> 
>
> [2] https://mailarchive.ietf.org/arch/msg/bess/cG3X1tTqb_vPC4rg56SEdkjqDpw
>
>
>
>
>
>
>


-- 



〓ソフトバンク株式会社〓
ネットワーク運用本部ネットワーク運用統括部
ネットワーク統制部 ネットワーク統制課
Technical Meister三宅 正浩

〒330-0843
埼玉県さいたま市大宮区吉敷町4-264-8
大宮センター2F
phone)080-3241-7066
E-mail: masahiro.miy...@g.softbank.co.jp
URL: http://tm.softbank.jp/
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