What question did this study set out to answer?

The aim is to clarify misconceptions about TCP delivering data and how to effectively frame messages to avoid issues.

July 29, 2026Open Access

The Misconception That TCP Lets You Receive in the Same Units You Send — Designing Reception Around a Byte Stream (archived 2026-07-27)

Key Points

The aim is to clarify misconceptions about TCP delivering data and how to effectively frame messages to avoid issues.
Explains TCP misconceptions regarding data units during Send or Write operations.
Presents design principles for treating TCP as a byte stream.
Includes implementation examples using .NET/C#.
Illustrates the problems of fragmentation and garbled text that arise from TCP misconceptions.
Provides solutions for framing messages correctly to maintain protocol integrity.

Abstract

Assuming TCP delivers data in the same units as Send or Write leads to fragmentation, coalescing, garbled text, and broken protocols. This article lays out how to treat TCP as a byte stream and frame messages at the application layer, with .NET/C# implementation examples. Archived version of https://comcomponent.com/en/blog/2026/06/09/001-tcp-send-receive-message-framing/, as published on 2026-07-27. The live article is maintained and may change after this date. First published 2026-06-09.

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