Multicast Socket Q & A

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• Q: Where can I find win32 code for multicast
• A: Here you can find some source code that implements multicast using winsocks, the code is not documented, the difference between Un*x and windows are small. (WSAStartup, closesocket).
  If you are looking for C++ multicast ready to use classes, you can have a look at commercial QT libraries (Non commercial version is for Un*x only, or have a look at ACE - Adaptive Communication Environment
• Q: How do I make the same process read and write from the same multicast group
• A: This should be failry easy, just create one socket that can be used for sending and receiving, and do all send and receive you wish. A sample code can be found here