UDP, a Disclaimer, and QUIC

4 pointsposted 10 hours ago
by friedhar

1 Comments

theandrewbailey

10 hours ago

> UDP Does not guarantee packets will arrive uncorrupted

> TCP does, (mostly) guarantees all of the above, with the help of sequence numbers (ordering), checksums (data corruption), and ACKs (successful transmission).

UDP uses (nearly?) the same checksum algorithm that TCP does. To say that one is reliable because of checksums but the other isn't is disingenuous.