Compaq Compaq TCP/IP Services for OpenVMS Instrukcja Obsługi Strona 100

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Figure 9–2: Routing IPv6 Traffic from Host A to Host I
Host A Host B Host C
Host D Host E Host F
Host G Host H Host I
Department A
Department B
Department C
v4/v6 v4/v6 v4/v6
v4 v4 v4/v6
v4 v4 v4/v6
Router A
v4/v6
Router B
v4/v6
Router C
v4
VM-0951A-AI
In Figure 9–3, to communicate with host A, host I encapsulates the IPv6 packet
and sends the IPv4 packet over a host-to-router tunnel to router B. From there,
router B decapsulates the IPv4 packet and routes the IPv6 packet to host A. For
hosts, the host-to-router tunnel is more efficient because the host I administrator
does not need to create individual host-to-host tunnels for each destination host.
9–6 IPv6
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