Re: [lisp] I-D Action: draft-barkai-lisp-nexagon-10.txt

Sharon Barkai <sharon.barkai@getnexar.com> Thu, 19 September 2019 17:16 UTC

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From: Sharon Barkai <sharon.barkai@getnexar.com>
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Date: Thu, 19 Sep 2019 20:16:42 +0300
Cc: "Victor Moreno (vimoreno)" <vimoreno@cisco.com>, "lisp@ietf.org" <lisp@ietf.org>, "its@ietf.org" <its@ietf.org>
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To: "Ratliff, Stanley" <sratliff@idirect.net>
Archived-At: <https://mailarchive.ietf.org/arch/msg/lisp/ktwmSv3vcyBIF0gtOpveC_d6umc>
Subject: Re: [lisp] I-D Action: draft-barkai-lisp-nexagon-10.txt
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Thanks Stan, there is but its focused on establishing IP connectivity to vehicles.

We assume IP connectivity is there cellular or other, and focus on geo-state routing as a LISP use-case and as means of avoiding direct vehicle to vehicle / vehicle to infrastructure communications (safety, privacy, interoperability etc.).

Should defiantly make ipwave wg aware of LISP in-general, and addressable geo-state using LISP in particular. Different problem space networking wise, but, with intersection at high-level eg safer-roads, maintenance, alerts, traffic flow.

Thats a very good point.
Thanks!

--szb
Cell: +972.53.2470068
WhatsApp: +1.650.492.0794

> On Sep 19, 2019, at 5:50 PM, Ratliff, Stanley <sratliff@idirect.net> wrote:
> 
> This looks like interesting work. But, don’t we already have a WG addressing vehicular networks? Has there been any collaboration with the ipwave WG? Just curious.
>  
> Regards,
> Stan
>  
> From: lisp <lisp-bounces@ietf.org> On Behalf Of Sharon Barkai
> Sent: Thursday, September 19, 2019 1:30 AM
> To: Victor Moreno (vimoreno) <vimoreno@cisco.com>
> Cc: lisp@ietf.org
> Subject: Re: [lisp] I-D Action: draft-barkai-lisp-nexagon-10.txt
>  
> ***WARNING! THIS EMAIL ORIGINATES FROM OUTSIDE ST ENGINEERING IDIRECT.***
> 
> Thank you Victor.
> 
> Quick recap of mobility networks evolution:
> 
> 1. Couple of decades ago a peer to peer layer2 protocol called DSRC was specified over WiFi spectrum with basic safety messages (BSM) in which cars conveyed their GPS and kinematics sensor events like hard-brake, sharp-turn.
> Additional payment and information messages were specified as well. 
> 
> 2. For privacy considerations road-side-units (RSU) were specified as well to hand MAC keys to be used so cars will not be tracked. This double infrastructure presented a barrier so DSRC over cellular was specified CV2X.
> The 5G evolution is supposed to match the latency of peer to peer WiFi. 
> 
> 3. The peer to peer challenges however remained, the need to test every product with every other product is a barrier for extending the protocol to support on vehicle vision and sensory annotations which evolved since - such as machine vision and liadr. Also timing sequence for relaying annotations between vehicles remains a problem since both DSRC and CV2X have no memory and cars drive away.
> 
> Addressable geo-states brokering solves timing, interoperability, and extendability limitations, and, edge-processing address latency needs => demonstrated in single-digit latencies in production environments, sub 5msecs in labs.
> 
> From here selecting LISP as the layer3 protocol of choice the road is short and explained in the draft:
> 
> o The support for logical EIDs for states based on (de-facto) geo-spatial standard grids
> 
> o controlling latency and high availability by routing to states at the edge
> 
> o supporting ephemeral EIDs for vehicles
> 
> o signal-free-multicast for limited cast of many geo-spatial channels
> 
> o the distributed connectionless scale
> 
> o the multi-vendor interoperability that allows for “bring your own XTR” to protect geo-privacy
> 
> o the ability to overlay multiple cellular network providers and multiple cloud-edge providers
> 
> .. are some of the features which make LISP a good choice for mobility VPNs. Hope this helps.
> 
> --szb
> Cell: +972.53.2470068
> WhatsApp: +1.650.492.0794
> 
> > On Sep 19, 2019, at 7:01 AM, Victor Moreno (vimoreno) <vimoreno@cisco.com> wrote:
> > 
> > I think a thorough understanding of mobility requirements and dependencies and how LISP may or may not accommodate these scenarios is key. I would like to see us work on this and other mobility related drafts (e.g. Ground based LISP).
> > 
> > Victor
> > 
> >> On Sep 18, 2019, at 11:18 AM, Dino Farinacci <farinacci@gmail.com> wrote:
> >> 
> >> I’m a side author on this document and more of a reviewer. But I’ll answer your questions on behalf of a WG member.
> >> 
> >>> Before I get more privacy feedback (if I do) I want to know
> >>> 1) does the WG actually care about this?
> >> 
> >> I do. Because understanding in deep detail the use-cases, allows us to understand if LISP has the necessary protocol features.
> >> 
> >>> 2) Is it ready for more extensive review?
> >> 
> >> Yes.
> >> 
> >>> I realize we have not adopted this document. Some of this feedback is to help the chairs judge what to do when the authors do ask for adoption.
> >> 
> >> We are at a point of the protocol’s life where working on use-cases allows more adoption. I am for making this a working group document (even though the authors have not formally requested).
> >> 
> >> Dino
> >> 
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> 
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