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Default selection is the loop-back interface. Users who require interoperation between WSJT-X instances cooperating applications running on different hosts should select a suitable network interface and carefully choose a multicast group address, and TTL, that has minimal scope covering the necessary network(s). Using 224.0.0.1 is a reasonable strategy if all hosts are on the same subnet. Administratively scoped multicast group addresses like those within 239.255.0.0/16 can cover larger boundaries, but care must be taken if the local subnet has access to a multicast enabled router. The IPv4 broadcast address (255.255.255.255) may be used as an alternative to multicast UDP, but note that WSJT-X will only send broadcast UDP datagrams on the loop-back interface, so all recipient applications must be running on the same host system. The reference UDP Message protocol applications are being extended to be configurable with a list of interfaces to join a multicast group address on. By default they will only join on the loop-back interface, which is also recommended for any applications designed to take part in the WSJT-X UDP Message Protocol. This allows full user control of the scope of multicast group membership with a very conservative default mode that will work with all interoperating applications running on the same host system. |
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| .. | ||
| tests/PSKReporter | ||
| LotWUsers.cpp | ||
| LotWUsers.hpp | ||
| MessageClient.cpp | ||
| MessageClient.hpp | ||
| NetworkAccessManager.cpp | ||
| NetworkAccessManager.hpp | ||
| NetworkMessage.cpp | ||
| NetworkMessage.hpp | ||
| NetworkServerLookup.cpp | ||
| NetworkServerLookup.hpp | ||
| PSKReporter.cpp | ||
| PSKReporter.hpp | ||
| wsprnet.cpp | ||
| wsprnet.h | ||