Re: [Rtg-dt-encap-considerations] routing area design team on dataplane encapsulation considerations

Jeff Tantsura <jeff.tantsura@ericsson.com> Fri, 08 May 2015 14:17 UTC

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From: Jeff Tantsura <jeff.tantsura@ericsson.com>
To: Chris Bowers <cbowers@juniper.net>
Thread-Topic: [Rtg-dt-encap-considerations] routing area design team on dataplane encapsulation considerations
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Date: Fri, 8 May 2015 14:17:46 +0000
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Cc: "rtg-dt-encap-considerations@ietf.org" <Rtg-dt-encap-considerations@ietf.org>, "rtgwg-chairs@ietf.org" <rtgwg-chairs@ietf.org>, "Larry Kreeger \(kreeger\)" <kreeger@cisco.com>, Erik Nordmark <nordmark@sonic.net>, Alia Atlas <akatlas@gmail.com>
Subject: Re: [Rtg-dt-encap-considerations] routing area design team on dataplane encapsulation considerations
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So there's a consensus.


Regards,
Jeff

> On May 9, 2015, at 12:12 AM, Chris Bowers <cbowers@juniper.net> wrote:
> 
> I agree.  WG adoption poll sometimes triggers people to read a draft, so they might as well read the latest version if that is eminent.
> 
> Chris
> 
> -----Original Message-----
> From: Jeff Tantsura [mailto:jeff.tantsura@ericsson.com] 
> Sent: Friday, May 08, 2015 9:10 AM
> To: Erik Nordmark
> Cc: Chris Bowers; Larry Kreeger (kreeger); Alia Atlas; rtg-dt-encap-considerations@ietf.org; rtgwg-chairs@ietf.org
> Subject: Re: [Rtg-dt-encap-considerations] routing area design team on dataplane encapsulation considerations
> 
> Erik,
> 
> Please publish 02, we will review it as well as  ask for a Routing Directorate QA reviewer and poll WG in parallel.
> Chris - what do you think?
> 
> 
> 
> Regards,
> Jeff
> 
>> On May 8, 2015, at 11:38 PM, Erik Nordmark <nordmark@sonic.net> wrote:
>> 
>> 
>> Chris,
>> 
>> When are you planning to do the WG adoption call?
>> You could either do that now on -01, or wait for about 2 weeks and we will have a -02 out.
>> 
>> Thanks,
>>  Erik
>> 
>>> On 5/8/15 5:42 AM, Chris Bowers wrote:
>>> 
>>> Larry,
>>> 
>>> I think it makes sense to leave the name as is until the poll for WG adoption takes place on the mailing list.
>>> 
>>> Regards,
>>> 
>>> Chris
>>> 
>>> *From:*Larry Kreeger (kreeger) [mailto:kreeger@cisco.com]
>>> *Sent:* Thursday, May 07, 2015 11:43 AM
>>> *To:* Alia Atlas; rtg-dt-encap-considerations@ietf.org; 
>>> rtgwg-chairs@ietf.org
>>> *Subject:* Re: [Rtg-dt-encap-considerations] routing area design team 
>>> on dataplane encapsulation considerations
>>> 
>>> OK, apparently there is no actual alias for routing-discussion-chairs.  Trying again with rtgwg-chairs.
>>> 
>>> *From: *Larry Kreeger <kreeger@cisco.com <mailto:kreeger@cisco.com>>
>>> *Date: *Thursday, May 7, 2015 9:39 AM
>>> *To: *"routing-discussion-chairs@ietf.org 
>>> <mailto:routing-discussion-chairs@ietf.org>" 
>>> <routing-discussion-chairs@ietf.org 
>>> <mailto:routing-discussion-chairs@ietf.org>>, Alia Atlas 
>>> <akatlas@gmail.com <mailto:akatlas@gmail.com>>, 
>>> "rtg-dt-encap-considerations@ietf.org 
>>> <mailto:rtg-dt-encap-considerations@ietf.org>" 
>>> <Rtg-dt-encap-considerations@ietf.org 
>>> <mailto:Rtg-dt-encap-considerations@ietf.org>>
>>> *Subject: *Re: [Rtg-dt-encap-considerations] routing area design team 
>>> on dataplane encapsulation considerations
>>> 
>>> Hi RTGWG Chairs,
>>> 
>>> At the RTGWG meeting in Dallas, I thought it was decided for the WG to either adopt, or call to adopt this document.  Erik is getting ready to publish a new version.  Should he rename it as a WG draft before doing that?
>>> 
>>> Thanks, Larry
>>> 
>>> *From: *Alia Atlas <akatlas@gmail.com <mailto:akatlas@gmail.com>>
>>> *Date: *Friday, March 13, 2015 1:16 PM
>>> *To: *"routing-discussion@ietf.org 
>>> <mailto:routing-discussion@ietf.org>" <routing-discussion@ietf.org 
>>> <mailto:routing-discussion@ietf.org>>
>>> *Subject: *Re: routing area design team on dataplane encapsulation 
>>> considerations
>>> 
>>> This design team has delivered a internet-draft, draft-rtg-dt-encap-01.
>>> 
>>> This draft will be discussed in RTGWG at IETF 92.  I would encourage 
>>> you to all
>>> 
>>> read it and send comments to rtgwg.  I'm certain that the draft will 
>>> be refined
>>> 
>>> and improved.
>>> 
>>> I'd like to thank the design team for their excellent work in a short time-frame.
>>> 
>>> I hope that this draft encourages useful discussion and thought as we 
>>> move forward
>>> 
>>> on various encapsulations.
>>> 
>>> Regards,
>>> 
>>> Alia
>>> 
>>> On Tue, Dec 9, 2014 at 5:46 PM, Alia Atlas <akatlas@gmail.com <mailto:akatlas@gmail.com>> wrote:
>>> 
>>>   I have chartered a Routing Area Design Team to work on data-plane
>>>   encapsulation considerations.
>>> 
>>>   I've bcc'd nvo3, sfc, bier, and rtgwg as the most directly
>>>   relevant.  Please keep any conversation in one place on
>>>   routing-discussion.
>>> 
>>>   Erik Nordmark has kindly agreed to lead this design team.  The
>>>   members of the design
>>> 
>>>   team are:
>>> 
>>>   Albert Tian <albert.tian@ericsson.com
>>>   <mailto:albert.tian@ericsson.com>>
>>> 
>>>   Erik Nordmark <nordmark@sonic.net <mailto:nordmark@sonic.net>>
>>>     Jesse Gross <jgross@vmware.com <mailto:jgross@vmware.com>>
>>>     Jon Hudson <jon.hudson@gmail.com <mailto:jon.hudson@gmail.com>>
>>>     Larry Kreeger (kreeger) <kreeger@cisco.com
>>>   <mailto:kreeger@cisco.com>>
>>>     Pankaj Garg <Garg.Pankaj@microsoft.com
>>>   <mailto:Garg.Pankaj@microsoft.com>>
>>>     Pat Thaler <pthaler@broadcom.com <mailto:pthaler@broadcom.com>>
>>>     Tom Herbert <therbert@google.com <mailto:therbert@google.com>>
>>> 
>>>   The mailing list, rgt-dt-encap-considerations@ietf.org
>>>   <mailto:rgt-dt-encap-considerations@ietf.org>, is closed but the
>>>   archives are
>>> 
>>>   publicly available at:
>>> 
>>> 
>>> http://www.ietf.org/mail-archive/web/rtg-dt-encap-considerations/curr
>>> ent/maillist.html
>>> 
>>>   The Design Team is chartered as follows:
>>> 
>>>   There have been multiple efforts over the years that have resulted
>>>   in new or modified data plane behaviors involving encapsulations.
>>>   That includes IETF efforts like MPLS, LISP, and TRILL but also
>>>   industry efforts like Vxlan and NVGRE.  These collectively can be
>>>   seen as a source of insight into the properties that data planes
>>>   need to meet.  The IETF is currently working on potentially new
>>>   encapsulations in NVO3 and SFC and considering working on BIER. In
>>>   addition there is work on tunneling in the INT area.
>>> 
>>>   This is a short term design team chartered to collect and
>>>   construct useful advice to parties working on new or modified data
>>>   plane behaviors that include additional encapsulations.  The goal
>>>   is for the group to document useful advice gathered from
>>>   interacting with ongoing efforts.  An Internet Draft will be
>>>   produced for IETF92 to capture that advice, which will be
>>>   discussed in RTGWG.
>>> 
>>>   Data plane encapsulations face a set of common issues such as:
>>> 
>>>     * How to provide entropy for ECMP
>>>     * Issues around packet size and fragmentation/reassembly
>>>     * OAM - what support is needed in an encapsulation format?
>>>     * Security and privacy.
>>>     * QoS
>>>     * Congestion Considerations
>>>     * IPv6 header protection (non-zero UDP checksum over IPv6 issue)
>>>     * Extensibility - e.g., for evolving OAM, security, and/or
>>>   congestion control
>>>     * Layering of multiple encapsulations e.g., SFC over NVO3 over 
>>> BIER
>>> 
>>>   The design team will provide advice on those issues. The intention
>>>   is that even where we have different encapsulations for different
>>>   purposes carrying different data, each such encapsulation doesn't
>>>   have to reinvent the wheel for the above common issues.
>>> 
>>>   The design team will look across the routing area in particular at
>>>   SFC, NVO3 and BIER. It will not be involved in comparing or
>>>   analyzing any particular encapsulation formats proposed in those
>>>   WGs and BoFs but instead focus on common advice.
>>> 
>>>   Regards,
>>> 
>>>   Alia
>>> 
>>> 
>>> 
>>> _______________________________________________
>>> Rtg-dt-encap-considerations mailing list 
>>> Rtg-dt-encap-considerations@ietf.org
>>> https://www.ietf.org/mailman/listinfo/rtg-dt-encap-considerations
>>