Congestion Window

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The congestion window is a variable used during the Slow Start state of TCP’s congestion control algorithm and Flow Control measures. It provides dynamic control over the rate by which a sender can transmit data onto the network.

The congestion window is initial set to the length of the maximum segment size (MSS) during TCP’s Slow Start state. This congestion control measure rapidly increases the MSS until error events like timeouts or duplicate ACKs are detected.

Zαck West
Full-Stack Software Engineer with 10+ years of experience. Expertise in developing distributed systems, implementing object-oriented models with a focus on semantic clarity, driving development with TDD, enhancing interfaces through thoughtful visual design, and developing deep learning agents.