TCP and UDP packets look pretty much the same as far as this design is concerned. It's all IPv4 where the IP header has IP source/dest address and a TCP/UDP bit

TCP and UDP packets look pretty much the same as far as this design is concerned. It's all IPv4 where the IP header has IP source/dest address and a TCP/UDP bit. The source/dest _ports_ are in the first 32 bits of the TCP or UDP portion of the message. So it should be trivial to include UDP, but that probably wasn't mentioned because it would be "too technical" for this level of ad. This _was_ an ad, right?