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- All partner nodes on an EE connection network must be able to
communicate with each other over the IP WAN.
- Separate connection networks are needed for IPv4 and IPv6 traffic.
If the TCP/IP stack supports both protocols, it can connect to both
types of connection networks concurrently, if an IPv4 and an IPv6
local VIPA address have been defined to the stack.
- If host names are used for EE connection networks, then for consistent
results, ensure that a given fully qualified host name resolves to
a single source VIPA address. If not, the address returned by DNS
becomes unpredictable.
- Host names are required when using IPv6 addressing. EE connection
networks that use IPv6 addressing require name-to-address resolution
for acquiring the source VIPA address of the local and remote EE endpoints.
- EE connection networks that use IPv4 addressing can also use name-to-address
resolution for acquiring the source VIPA address of the local and
remote EE endpoints, if both endpoints are z/OS® V1R5 or later.
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