Preserve a datagram boundary
01UDP sends discrete application messages with very little transport mechanism.
Related RFCs and changes
“Updates” changes part of an earlier RFC. “Obsoletes” replaces it. This list shows selected related documents.
DIAGRAMIntroduction ↗
RFC 768 · IntroductionEXAMPLE
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03
The surviving datagram remains a message; UDP does not reconstruct the missing one.
The surviving datagram remains a message; UDP does not reconstruct the missing one.
Protocol participantThreat or exceptionProtocol controlSimplified drawings · precise section references
Read the updated RFC section ↗
UDP does not guarantee arrival, ordering, or duplicate protection.
- UDP does not guarantee arrival, ordering, or duplicate protection.
- Applications needing reliable ordered streams require another mechanism.
The drawing is a simplified worked example. Follow the linked RFC and its updates for implementation requirements.
Read the RFC section ↗Diagrams simplify the RFC. Read the linked sections for complete requirements.
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