feat(core): home router NAT after Java, measured with Java FILIUS

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The core translates before the IP thread, as Java's NAT threads sit
between card and Ethernet: out, the WAN address and the entry's port (ICMP
keeps its identifier); in, by remote end, port and protocol, else by the
port forwarding, which then makes a dynamic entry; a ping at the WAN
address is answered by the router, packets from outside for the LAN are
dropped, both sides pass the router's firewall, TTL 1 going out gets time
exceeded. Dynamic entries expire at Java's check each second, 300 s times
the delay factor old (55 minutes at 90 %), refreshed only by what comes in.
The home router forwards as a router does.

Measured and not taken: when a LAN endpoint sends to a second remote end,
Java gives it the entry's WAN port but no entry, and the answer stays at
the router; the core adds an entry for each new remote end on that port.

The oracle now records every card of a node (the second card of routers
was missing); the ARP and RIP runs are recorded anew and still match.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

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This commit is contained in:

julian.kiedaisch

2026-09-30 20:06:04 +00:00

co-authored by Claude Opus 5.5

parent 5505e8e8af

commit 7a77bc1b43

23 changed files with 2915 additions and 748 deletions

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