RE: [atn] [EXTERNAL] Re: Embedding IP information in an IPv6 address (OMNI)
"Templin (US), Fred L" <Fred.L.Templin@boeing.com> Thu, 15 October 2020 17:31 UTC
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From: "Templin (US), Fred L" <Fred.L.Templin@boeing.com>
To: "otroan@employees.org" <otroan@employees.org>
CC: Philip Homburg <pch-ipv6-ietf-6@u-1.phicoh.com>, 6man WG <ipv6@ietf.org>, "atn@ietf.org" <atn@ietf.org>
Subject: RE: [atn] [EXTERNAL] Re: Embedding IP information in an IPv6 address (OMNI)
Thread-Topic: [atn] [EXTERNAL] Re: Embedding IP information in an IPv6 address (OMNI)
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Date: Thu, 15 Oct 2020 17:31:17 +0000
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Hi Ole, There are many reasons why I like what we have already, but one that I will point out is the ease of constructing a routable OMNI site-local address (SLA) from a non-routable OMNI link-local address (LLA). For an OMNI LLA such as fe80:2001:db8:1:2:: all that is needed to turn it into an OMNI SLA is to set bit #9 to yield fec0:2001:db8:1:2::. That is computationally very simple and allows a single-bit translation between LLAs and SLAs (to get an LLA, clear bit #9 and to get an SLA se bit #9). If instead the LLA had the embedded prefix in bits 64 thru 127, the translation between SLAs and LLAs would be much more expensive. Thanks - Fred > -----Original Message----- > From: otroan@employees.org [mailto:otroan@employees.org] > Sent: Thursday, October 15, 2020 10:18 AM > To: Templin (US), Fred L <Fred.L.Templin@boeing.com> > Cc: Philip Homburg <pch-ipv6-ietf-6@u-1.phicoh.com>; 6man WG <ipv6@ietf.org>; atn@ietf.org > Subject: Re: [atn] [EXTERNAL] Re: Embedding IP information in an IPv6 address (OMNI) > > >> -----Original Message----- > >> From: atn [mailto:atn-bounces@ietf.org] On Behalf Of Philip Homburg > >> Sent: Thursday, October 15, 2020 9:44 AM > >> To: ipv6@ietf.org > >> Cc: Templin (US), Fred L <Fred.L.Templin@boeing.com>; atn@ietf.org > >> Subject: Re: [atn] [EXTERNAL] Re: Embedding IP information in an IPv6 address (OMNI) > >> > >>> Thanks for having a look at OMNI; let me know if there are any questions. > >> > >> I'll try to spend more time reading the draft. > > > > OK, thanks. > > > >>> That is the way we had it in older draft versions, but have more recently > >>> changed to using all of the bits 10 thru 128. The thing that inspired the > >>> change was the realization that (not now, but in the not too distant > >>> future) every air, ground, sea and space vehicle on the planet may > >>> need to use OMNI - pedestrians, too. And, at some point, we may find > >>> the /64 limit too restricting. > >> > >> As long as we are talking about physical devices, I'm not sure how we > >> are going to run out of /64s. > > > > This is a very important point - it is not just about physical devices but also about > > the arbitrarily complex virtual networks they may have on-board. In the future, > > even my cellphone could have a deeply-nested virtual IPv6 network-of-networks > > requiring subnetting and multi-addressing - its turtles all the way down. > > > >> Even if that would happen, there are probably lessons learned for an OMNIv2 > > > > I'd rather get it right the first time. > > If I were you I would take a look at what it would take to change the solution to use explicit signalling instead of implicit through > semantic addressing. > Explicit signalling would not have any of these type of limitations either. > > Cheers, > Ole=
- Embedding IP information in an IPv6 address (OMNI) Templin (US), Fred L
- RE: Embedding IP information in an IPv6 address (… Templin (US), Fred L
- Re: [atn] Embedding IP information in an IPv6 add… Robert Moskowitz
- Re: [atn] Embedding IP information in an IPv6 add… Templin (US), Fred L
- Re: [atn] Embedding IP information in an IPv6 add… Fred Baker
- RE: [EXTERNAL] Re: [atn] Embedding IP information… Templin (US), Fred L
- Re: [EXTERNAL] Re: [atn] Embedding IP information… Mark Smith
- RE: [EXTERNAL] Re: [atn] Embedding IP information… Templin (US), Fred L
- RE: [atn] [EXTERNAL] Re: Embedding IP information… Templin (US), Fred L
- Re: [EXTERNAL] Re: [atn] Embedding IP information… Mark Smith
- RE: [EXTERNAL] Re: [atn] Embedding IP information… Templin (US), Fred L
- Re: [atn] [EXTERNAL] Re: Embedding IP information… 神明達哉
- RE: [atn] [EXTERNAL] Re: Embedding IP information… Templin (US), Fred L
- Re: [atn] [EXTERNAL] Re: Embedding IP information… Bob Hinden
- Re: [atn] [EXTERNAL] Re: Embedding IP information… otroan
- RE: [atn] [EXTERNAL] Re: Embedding IP information… Templin (US), Fred L
- Re: [EXTERNAL] Re: [atn] Embedding IP information… Fernando Gont
- Re: Embedding IP information in an IPv6 address (… Fernando Gont
- RE: [EXTERNAL] Re: Embedding IP information in an… Templin (US), Fred L
- Re: [atn] [EXTERNAL] Re: Embedding IP information… otroan
- RE: [atn] [EXTERNAL] Re: Embedding IP information… Templin (US), Fred L
- Re: [atn] [EXTERNAL] Re: Embedding IP information… 神明達哉
- Re: Embedding IP information in an IPv6 address (… Templin (US), Fred L
- Re: [EXTERNAL] Re: Embedding IP information in an… Philip Homburg
- Re: [EXTERNAL] Re: Embedding IP information in an… Alexandre Petrescu
- Re: Embedding IP information in an IPv6 address (… Templin (US), Fred L
- RE: [atn] [EXTERNAL] Re: Embedding IP information… Templin (US), Fred L
- Re: [atn] [EXTERNAL] Re: Embedding IP information… Philip Homburg
- RE: [atn] [EXTERNAL] Re: Embedding IP information… Templin (US), Fred L
- Re: [atn] [EXTERNAL] Re: Embedding IP information… otroan
- RE: [atn] [EXTERNAL] Re: Embedding IP information… Templin (US), Fred L
- Re: [atn] [EXTERNAL] Re: Embedding IP information… otroan
- Re: Embedding IP information in an IPv6 address (… Bob Hinden
- Re: Embedding IP information in an IPv6 address (… Templin (US), Fred L
- Re: Embedding IP information in an IPv6 address (… Bob Hinden
- Re: Embedding IP information in an IPv6 address (… Templin (US), Fred L
- Re: Embedding IP information in an IPv6 address (… Bob Hinden
- Re: Embedding IP information in an IPv6 address (… Templin (US), Fred L
- Re: Embedding IP information in an IPv6 address (… Bob Hinden
- Re: Embedding IP information in an IPv6 address (… Templin (US), Fred L
- RE: Embedding IP information in an IPv6 address (… Templin (US), Fred L
- RE: Embedding IP information in an IPv6 address (… Templin (US), Fred L
- Re: Embedding IP information in an IPv6 address (… Bob Hinden
- RE: [EXTERNAL] Re: Embedding IP information in an… Templin (US), Fred L
- Re: [EXTERNAL] Embedding IP information in an IPv… Bob Hinden
- RE: [EXTERNAL] Embedding IP information in an IPv… Templin (US), Fred L
- Re: [atn] [EXTERNAL] Re: Embedding IP information… Philip Homburg
- Re: Embedding IP information in an IPv6 address (… Behcet Sarikaya
- Re: Embedding IP information in an IPv6 address (… Templin (US), Fred L
- Re: Embedding IP information in an IPv6 address (… Templin (US), Fred L
- Re: Embedding IP information in an IPv6 address (… Ted Hardie
- RE: [EXTERNAL] Re: Embedding IP information in an… Templin (US), Fred L
- Re: [EXTERNAL] Re: Embedding IP information in an… Ole Troan
- RE: [EXTERNAL] Re: Embedding IP information in an… Manfredi (US), Albert E
- Re: [EXTERNAL] Embedding IP information in an IPv… Bob Hinden
- Re: Embedding IP information in an IPv6 address (… Templin (US), Fred L
- RE: [atn] [EXTERNAL] Embedding IP information in … Templin (US), Fred L
- Re: [atn] [EXTERNAL] Embedding IP information in … Bob Hinden
- RE: [atn] [EXTERNAL] Embedding IP information in … Templin (US), Fred L
- RE: [atn] [EXTERNAL] Embedding IP information in … Vasilenko Eduard
- RE: Embedding IP information in an IPv6 address (… Templin (US), Fred L
- Re: [atn] [EXTERNAL] Embedding IP information in … Bob Hinden
- Re: Starlink --- "simpler than IPv6" Templin (US), Fred L
- RE: Embedding IP information in an IPv6 address (… Templin (US), Fred L
- Re: Starlink --- "simpler than IPv6" Behcet Sarikaya
- Re: Starlink --- "simpler than IPv6" Templin (US), Fred L
- Re: Starlink --- "simpler than IPv6" Behcet Sarikaya
- Re: Starlink --- "simpler than IPv6" Alexandre Petrescu
- Re: Starlink --- "simpler than IPv6" Alexandre Petrescu
- RE: Embedding IP information in an IPv6 address (… Templin (US), Fred L
- Re: Embedding IP information in an IPv6 address (… Bob Hinden
- RE: Starlink --- "simpler than IPv6" Templin (US), Fred L
- RE: [EXTERNAL] Re: Embedding IP information in an… Templin (US), Fred L
- Re: [atn] Embedding IP information in an IPv6 add… Michael Richardson
- RE: Embedding IP information in an IPv6 address (… Templin (US), Fred L
- Re: Starlink --- "simpler than IPv6" Behcet Sarikaya
- Re: Starlink --- "simpler than IPv6" Templin (US), Fred L
- Re: Embedding IP information in an IPv6 address (… Philip Homburg
- Re: Starlink --- "simpler than IPv6" Alexandre Petrescu
- RE: [EXTERNAL] Re: Starlink --- "simpler than IPv… Templin (US), Fred L
- Re: Starlink --- "simpler than IPv6" Behcet Sarikaya
- Re: Starlink --- "simpler than IPv6" Bob Hinden
- Re: [atn] Embedding IP information in an IPv6 add… Bob Hinden
- Re: Embedding IP information in an IPv6 address (… Michael Richardson
- RE: [EXTERNAL] Re: [atn] Embedding IP information… Templin (US), Fred L
- RE: [EXTERNAL] Re: Embedding IP information in an… Templin (US), Fred L
- Re: [EXTERNAL] Re: Embedding IP information in an… Philip Homburg
- RE: [EXTERNAL] Re: Embedding IP information in an… Templin (US), Fred L
- RE: [EXTERNAL] Re: Embedding IP information in an… Templin (US), Fred L
- Re: Starlink --- "simpler than IPv6" Behcet Sarikaya
- Re: Starlink --- "simpler than IPv6" Bob Hinden
- Re: Starlink --- "simpler than IPv6" Alexandre Petrescu
- Re: Starlink --- "simpler than IPv6" Alexandre Petrescu
- Re: Starlink --- "simpler than IPv6" Alexandre Petrescu
- Re: Starlink --- "simpler than IPv6" Alexandre Petrescu
- Re: Starlink --- "simpler than IPv6" Bob Hinden
- Re: [EXTERNAL] Embedding IP information in an IPv… Bob Hinden
- Re: Starlink --- "simpler than IPv6" Behcet Sarikaya
- Re: Starlink --- "simpler than IPv6" Bob Hinden
- Re: Starlink --- "simpler than IPv6" Alexandre Petrescu