NOTE

1.3 TCP Flow Control

What TCP flow control is and how the sliding window controls the sender's sending rate.

Computer NetworksCreated 01/17/2020Updated 02/27/20221 min readhistorical

This is a historical learning note and may contain outdated or incomplete understanding.

1. What Is TCP Flow Control?

Control the sender’s sending rate so that the receiver has enough time to receive the data.

2. TCP Flow Control Principle

2.1. Sliding Window

TCP flow control is implemented through the TCP sliding window.

The receiver tells the sender how large its buffer is, and the sender cannot exceed this amount of data; otherwise, the receiver will not have enough time to receive it.

3. References

What Is the Relationship Between the Sliding Window Size in TCP Flow Control, the 16-Bit Window Size Field in TCP, MTU, MSS, and Buffer Size? - Zhihu
TCP Flow Control and Congestion Control - CSDN

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