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Re: IPv8 / BGP8 / CF


From: Shrihari Pandit via NANOG <nanog () lists nanog org>
Date: Wed, 29 Apr 2026 16:08:58 -0500

Jamie,

You should have spoken with the hyperscalers driving industry growth.
Apple, Google, Mirosoft, Amazon. Most modern silicon and routers are built
around them.

1. Modern routers are built on merchant silicon ASICs (Broadcom
Jericho/Tomahawk, Cisco Silicon One, Marvell Prestera, etc.)
2. Majority of these chips implement forwarding using fixed pipeline stages.
3. Lookup are done in TCAM (SRAM) structures pre-optimized for specific key
widths.
4. v4 lookup = ~32-bit key, v6 lookup ~128-bit key. Hard=ware pipelines are
dimensioned for these two widths.
5. IPv8 implies exceed entry width or require multi-stage lookups, reducing
scale, imo.

You have to realize that forwarding is not implemented in software. This is
not an incremental evolution like IPv4 to IPv6.

Shrihari Pandit
Stealth Communications
+1-212-232-2025
*stealth.net <http://stealth.net>*



On Wed, Apr 29, 2026 at 2:23 PM Jamie Thain via NANOG <nanog () lists nanog org>
wrote:

Hi All,

My name is Jamie Thain I'm the creator of IPv8. It's not a hoax.

I joined this list because, as part of IPv8, I am creating a BGPv8. Inside
BGPv8, two new protocols CF (Cost Factor), weigh cost factors along the
routes to produce a better metric. It's a hybrid of EIRGP mixed with BGP to
create better engineering results.

I also as part of CF created Sun Tzu which is the protocol that watches CF
and gives you a CF score of reliability.  Do I trust my partnership with
you?

Now, beyond an on-slaught of IPv8 is stupid, IPv6 solves every problem,
etc, etc. That's not my discussion point. My point isn't "should I even
propose IPv8" my point is what would be the best result for operators?

I believe that since IPv8 solves the duopoly problem, it will replace
IPv4.

So the things to know, IPV8 is NOT a 64 bit addressing system.

It is a 32 bit routing system with a 32 bit addressing system.

A Routing Number = ASNs plus others.

8.8.8.8 would become 15169.8.8.8.8

https://www.ietf.org/archive/id/draft-thain-ipv8-02.html
<
https://l.shortlink.es/l/3ae384c1b8e2eb92749595407c5cf9b87ea3372a?u=12457652



So each ASN in the world will have 3 Billion available addresses.

There is a specially reserved group of internal ASN 127.x.x.x so each corp,
org, has 16 Million areas of 3 Billion addresses, to replace 10.x.x.x and
100.64.x.x.x

I'd appreciate your thoughts on it

Jamie
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