Blocking packets when doing UDP over TCP ? #34
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heiher
reinerotto
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Often, UDP packets are quite small (i.e. DNS). Thus, is there any blocking of multiple UDP-packets into one TCP segment/packet ? |
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Answered by
heiher
Oct 24, 2025
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When multiple small UDP packets are generated within a very short interval in a UDP session, this pattern tends to occur frequently. The TCP layer’s Nagle algorithm may combine them into a single transmission, and the receiver will then split the data back into the original UDP packets before delivering them to the destination endpoint. |
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When multiple small UDP packets are generated within a very short interval in a UDP session, this pattern tends to occur frequently. The TCP layer’s Nagle algorithm may combine them into a single transmission, and the receiver will then split the data back into the original UDP packets before delivering them to the destination endpoint.