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The Making of Talkie: Multi-interface broadcasting and multicast

Part 2

TalkieTalkie is my newest product, a Walkie Talkie for iPhone and Mac.

In Part 1 of this series, I wrote about basic broadcasting. This works fine with one network device, but it’s worth discussing how to send through all devices, so you can communicate with others connected via, say, Ethernet and WiFi simultaneously.

So, in Part 2 I’ll write about the approach I took in Talkie for broadcasting from all network devices (a.k.a. network interfaces), so that one can communicate with others connected via WiFi, Ethernet (on a Mac), and any other network devices simultaneously.

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