Re: [arch-d] ETSI launches new group on Non-IP Networking addressing 5G new services
Toerless Eckert <tte@cs.fau.de> Thu, 09 April 2020 21:28 UTC
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Date: Thu, 09 Apr 2020 23:28:41 +0200
From: Toerless Eckert <tte@cs.fau.de>
To: Dino Farinacci <farinacci@gmail.com>
Cc: Brian E Carpenter <brian.e.carpenter@gmail.com>, Lars Eggert <lars@eggert.org>, architecture-discuss@ietf.org
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Subject: Re: [arch-d] ETSI launches new group on Non-IP Networking addressing 5G new services
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Anything variable length is still under i think a lot of contention in forwarding plane, even P4 if i remember correctly some discussions. Heck, i even had a lot of fight when we wanted to introduce variable length in control plane addressing a decade ago (FEC in mLDP ;-) I think this is one of those architectural topics where we need to push so that hardware inventors invest cycles to make variable length addresses more likely to become mainstream. There is quite a good amount of private networks, that have no interest to deal with 128 bit addresses and are happy with rfc1918 addresses for example. Most service provider cores run with 20 bit addresses, not even requiring aggregation. Others use non-aggregateable 48 Bit addresses. Or 64 bit addresses. Aka: IMHO the argument of variable length addresses is still quite an open issue.. On Thu, Apr 09, 2020 at 02:19:06PM -0700, Dino Farinacci wrote: > I agree with you Brian. But remember NSAP addresses are variable length so we could have addressed nodes out of different sized addresses. > > The big question would TCAM and DRAM vendors have designed their chips for the smaller case or the 20 byte case. For IPv6 they were required to design for the 128-bit case. > > Also, back then, we would have thought crazy that software forwarders would be so popular like they are today. > > Dino -- --- tte@cs.fau.de
- [arch-d] ETSI launches new group on Non-IP Networ… Brian E Carpenter
- Re: [arch-d] ETSI launches new group on Non-IP Ne… Carsten Bormann
- Re: [arch-d] ETSI launches new group on Non-IP Ne… Stephane Bortzmeyer
- Re: [arch-d] ETSI launches new group on Non-IP Ne… Toerless Eckert
- Re: [arch-d] ETSI launches new group on Non-IP Ne… Toerless Eckert
- Re: [arch-d] ETSI launches new group on Non-IP Ne… Bob Hinden
- Re: [arch-d] ETSI launches new group on Non-IP Ne… Carsten Bormann
- Re: [arch-d] ETSI launches new group on Non-IP Ne… Tony Li
- Re: [arch-d] ETSI launches new group on Non-IP Ne… S Moonesamy
- Re: [arch-d] ETSI launches new group on Non-IP Ne… Scott Brim
- Re: [arch-d] ETSI launches new group on Non-IP Ne… John C Klensin
- Re: [arch-d] ETSI launches new group on Non-IP Ne… Toerless Eckert
- Re: [arch-d] ETSI launches new group on Non-IP Ne… Toerless Eckert
- Re: [arch-d] ETSI launches new group on Non-IP Ne… Toerless Eckert
- Re: [arch-d] ETSI launches new group on Non-IP Ne… Spencer Dawkins at IETF
- Re: [arch-d] ETSI launches new group on Non-IP Ne… Brian E Carpenter
- Re: [arch-d] ETSI launches new group on Non-IP Ne… Toerless Eckert
- Re: [arch-d] ETSI launches new group on Non-IP Ne… Uma Chunduri
- Re: [arch-d] ETSI launches new group on Non-IP Ne… Toerless Eckert
- Re: [arch-d] ETSI launches new group on Non-IP Ne… Spencer Dawkins at IETF
- Re: [arch-d] ETSI launches new group on Non-IP Ne… S Moonesamy
- Re: [arch-d] ETSI launches new group on Non-IP Ne… Toerless Eckert
- Re: [arch-d] ETSI launches new group on Non-IP Ne… Uma Chunduri
- Re: [arch-d] ETSI launches new group on Non-IP Ne… Uma Chunduri
- Re: [arch-d] ETSI launches new group on Non-IP Ne… S Moonesamy
- Re: [arch-d] ETSI launches new group on Non-IP Ne… Stewart Bryant
- Re: [arch-d] ETSI launches new group on Non-IP Ne… Stephane Bortzmeyer
- Re: [arch-d] ETSI launches new group on Non-IP Ne… Stephane Bortzmeyer
- Re: [arch-d] ETSI launches new group on Non-IP Ne… Lars Eggert
- Re: [arch-d] ETSI launches new group on Non-IP Ne… Lars Eggert
- Re: [arch-d] ETSI launches new group on Non-IP Ne… Stewart Bryant
- Re: [arch-d] ETSI launches new group on Non-IP Ne… Alexander Pelov
- Re: [arch-d] ETSI launches new group on Non-IP Ne… Toerless Eckert
- Re: [arch-d] ETSI launches new group on Non-IP Ne… Toerless Eckert
- Re: [arch-d] ETSI launches new group on Non-IP Ne… Spencer Dawkins at IETF
- Re: [arch-d] ETSI launches new group on Non-IP Ne… Toerless Eckert
- Re: [arch-d] ETSI launches new group on Non-IP Ne… Toerless Eckert
- [arch-d] Other SDOs (Re: ETSI launches new group … Carsten Bormann
- Re: [arch-d] Other SDOs (Re: ETSI launches new gr… Toerless Eckert
- Re: [arch-d] ETSI launches new group on Non-IP Ne… Marie-Jose Montpetit
- Re: [arch-d] ETSI launches new group on Non-IP Ne… Toerless Eckert
- Re: [arch-d] ETSI launches new group on Non-IP Ne… Lars Eggert
- Re: [arch-d] ETSI launches new group on Non-IP Ne… Bob Hinden
- Re: [arch-d] ETSI launches new group on Non-IP Ne… Henning Schulzrinne
- Re: [arch-d] ETSI launches new group on Non-IP Ne… Toerless Eckert
- [arch-d] Beyond Best Effort ?! Re: ETSI launches … Toerless Eckert
- Re: [arch-d] ETSI launches new group on Non-IP Ne… S Moonesamy
- Re: [arch-d] ETSI launches new group on Non-IP Ne… Cedric Westphal
- Re: [arch-d] ETSI launches new group on Non-IP Ne… Jeff Tantsura
- Re: [arch-d] ETSI launches new group on Non-IP Ne… Toerless Eckert
- Re: [arch-d] Beyond Best Effort ?! Re: ETSI launc… Brian E Carpenter
- Re: [arch-d] ETSI launches new group on Non-IP Ne… Brian E Carpenter
- Re: [arch-d] ETSI launches new group on Non-IP Ne… Dino Farinacci
- Re: [arch-d] ETSI launches new group on Non-IP Ne… Toerless Eckert
- Re: [arch-d] ETSI launches new group on Non-IP Ne… Toerless Eckert
- Re: [arch-d] ETSI launches new group on Non-IP Ne… Tony Li
- Re: [arch-d] ETSI launches new group on Non-IP Ne… Toerless Eckert
- Re: [arch-d] ETSI launches new group on Non-IP Ne… Dino Farinacci
- Re: [arch-d] ETSI launches new group on Non-IP Ne… Toerless Eckert
- Re: [arch-d] ETSI launches new group on Non-IP Ne… tony.li
- Re: [arch-d] ETSI launches new group on Non-IP Ne… Dino Farinacci
- Re: [arch-d] ETSI launches new group on Non-IP Ne… Dino Farinacci
- Re: [arch-d] ETSI launches new group on Non-IP Ne… Toerless Eckert
- Re: [arch-d] ETSI launches new group on Non-IP Ne… Toerless Eckert
- [arch-d] our troubles [was: ETSI launches new gro… Brian E Carpenter
- Re: [arch-d] ETSI launches new group on Non-IP Ne… Dino Farinacci
- Re: [arch-d] ETSI launches new group on Non-IP Ne… Toerless Eckert
- Re: [arch-d] ETSI launches new group on Non-IP Ne… Dino Farinacci
- Re: [arch-d] ETSI launches new group on Non-IP Ne… Toerless Eckert
- Re: [arch-d] ETSI launches new group on Non-IP Ne… Dino Farinacci
- Re: [arch-d] ETSI launches new group on Non-IP Ne… Toerless Eckert
- Re: [arch-d] ETSI launches new group on Non-IP Ne… Toerless Eckert
- Re: [arch-d] ETSI launches new group on Non-IP Ne… Dino Farinacci
- Re: [arch-d] ETSI launches new group on Non-IP Ne… Randy Bush
- Re: [arch-d] ETSI launches new group on Non-IP Ne… Jeff Tantsura
- Re: [arch-d] ETSI launches new group on Non-IP Ne… Toerless Eckert
- Re: [arch-d] ETSI launches new group on Non-IP Ne… Toerless Eckert
- Re: [arch-d] ETSI launches new group on Non-IP Ne… Brian E Carpenter
- Re: [arch-d] ETSI launches new group on Non-IP Ne… S Moonesamy
- Re: [arch-d] our troubles [was: ETSI launches new… Uma Chunduri
- Re: [arch-d] ETSI launches new group on Non-IP Ne… Uma Chunduri
- Re: [arch-d] ETSI launches new group on Non-IP Ne… Uma Chunduri
- Re: [arch-d] ETSI launches new group on Non-IP Ne… Uma Chunduri
- Re: [arch-d] ETSI launches new group on Non-IP Ne… Christian Huitema
- Re: [arch-d] ETSI launches new group on Non-IP Ne… John C Klensin
- Re: [arch-d] ETSI launches new group on Non-IP Ne… Vittorio Bertola
- Re: [arch-d] ETSI launches new group on Non-IP Ne… Toerless Eckert
- Re: [arch-d] ETSI launches new group on Non-IP Ne… Brian E Carpenter
- Re: [arch-d] ETSI launches new group on Non-IP Ne… Geoff Huston
- Re: [arch-d] ETSI launches new group on Non-IP Ne… Brian E Carpenter
- Re: [arch-d] ETSI launches new group on Non-IP Ne… John C Klensin
- Re: [arch-d] ETSI launches new group on Non-IP Ne… S Moonesamy
- Re: [arch-d] ETSI launches new group on Non-IP Ne… Victor Reijs
- Re: [arch-d] ETSI launches new group on Non-IP Ne… John Day
- Re: [arch-d] ETSI launches new group on Non-IP Ne… Victor Reijs
- Re: [arch-d] ETSI launches new group on Non-IP Ne… Dino Farinacci
- Re: [arch-d] ETSI launches new group on Non-IP Ne… Toerless Eckert
- Re: [arch-d] ETSI launches new group on Non-IP Ne… John Day
- Re: [arch-d] ETSI launches new group on Non-IP Ne… Victor Reijs
- Re: [arch-d] ETSI launches new group on Non-IP Ne… John Day
- Re: [arch-d] ETSI launches new group on Non-IP Ne… Brian E Carpenter
- Re: [arch-d] ETSI launches new group on Non-IP Ne… Dino Farinacci
- Re: [arch-d] ETSI launches new group on Non-IP Ne… Dino Farinacci
- Re: [arch-d] ETSI launches new group on Non-IP Ne… Tony Li
- Re: [arch-d] ETSI launches new group on Non-IP Ne… S Moonesamy
- Re: [arch-d] ETSI launches new group on Non-IP Ne… Victor Reijs