Re: [lisp] LISP EID Block Size

Paul Vinciguerra <pvinci@VinciConsulting.com> Mon, 04 November 2013 15:22 UTC

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From: Paul Vinciguerra <pvinci@VinciConsulting.com>
To: "Darrel Lewis (darlewis)" <darlewis@cisco.com>, Sander Steffann <sander@steffann.nl>
Thread-Topic: [lisp] LISP EID Block Size
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Date: Mon, 4 Nov 2013 15:22:22 +0000
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References: <20131030154454.587D918C143@mercury.lcs.mit.edu> <15CC7F54-075E-4EB8-940B-8DCB198134A2@apnic.net> <E6AD700C-DC48-48DB-9FF5-A24C6121834C@gmail.com> <D68CD130-50BC-42AE-95E5-A4EBEEB20808@apnic.net> <8119249a5b4cb0604726fa7560538cf3@bartschnet.de> <FBB83D5B-E5C1-493E-8FAD-2AF489759CBF@steffann.nl> <82F5CF42-2E3A-444A-8449-39B01C0B2C3B@gigix.net> <3C9E1CFD-642E-4590-92BB-E1E5F65F8B02@steffann.nl> <92D11F1F-CED7-4A98-B45F-FD91727624FE@gigix.net> <2BEFEBB6-AD3F-4493-8628-21F273D3CAB2@cisco.com> <63AD59A6-0888-4D66-B3A7-983637F94452@steffann.nl> <08606A12-FC35-4F10-B984-EA39103077B2@cisco.com>
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Cc: LISP mailing list list <lisp@ietf.org>
Subject: Re: [lisp] LISP EID Block Size
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> -----Original Message-----
> From: lisp-bounces@ietf.org [mailto:lisp-bounces@ietf.org] On Behalf Of Darrel
> Lewis (darlewis)
> Sent: Monday, November 04, 2013 9:45 AM
> To: Sander Steffann
> Cc: LISP mailing list list
> Subject: Re: [lisp] LISP EID Block Size
> 
> 
> On Nov 4, 2013, at 12:36 AM, Sander Steffann <sander@steffann.nl> wrote:
> 
> > Hi,
> >
> >> We see just this (peering) happening between LISP Service Providers in the US
> now.
> >
> > What exactly do you mean with 'peering' in this context?
> 
> If a given PxTR provider is responsible for originating EID prefixes into the DFZ
> on behalf of their subscribers (LISP Mapping and Proxy services customers) want
> to widen their footprint/capacity of transit of Proxy-ITRs, they can agree to
> exchange these EID-prefixes and announce them on each other's behalf.
> 
> So if LISP Mapping/Proxy Provider Foo is originating 172.16.1.0/20 and LISP
> Mapping/Proxy Provider Bar is originating 10.1.1.0/22, and they come to an
> bilateral agreement to share Proxy-ITR capacity they can agree to peer (via, for
> example, eBGP multi-hop) and propagate the prefixes that that the other is
> originating.  Note that the origin AS for these two EID prefixes remains Foo and
> Bar's respectively.
> 
> Today some providers are redistributing registered EID prefixes directly via their
> map-servers, and some are using static routes independent of redistribution for
> origination.  (I prefer the latter, but YMMV.)
[PV] 
Darrel,

I am unaware of any providers in the US doing this.  I would welcome any introductions on your part :) 

Paul

> 
> -Darrel
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