error correction and detection and technology

sumerfatsumerfat Registered Users Posts: 1 ■□□□□□□□□□
hey guys,
please I wanna know why a certain error correction or detection is used with a certain technology or protocol, for example in TCP it uses either FEC or ARQ but why not CRC or check sum for example ?
why UDP uses check sum not FEC ?


  • thomas_thomas_ CompTIA N+/S+/L+ CCNA R&S CCNP R&S/Enterprise/Collab Member Posts: 998 ■■■■■■■□□□
    Homework? Google is a good place to start. Your textbook is probably a pretty good resource too.
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