Everything About ___
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Everything about Explicit Congestion Notification

Extension to the Internet Protocol to signal network congestion

Explicit Congestion Notification (ECN) is an extension to the Internet Protocol and to the Transmission Control Protocol and is defined in RFC 3168 (2001). ECN allows end-to-end notification of network congestion without dropping packets. ECN is an optional feature that may be used between two ECN-enabled endpoints when the underlying network infrastructure also supports it. Wikipedia →

🧭 Start here: a 6-step reading path

  1. Read the overview: Explicit Congestion NotificationA 5-minute orientation
  2. Skim a recent paper: REN: Receiver-Driven Congestion Control Using Explicit Notification for Data CenterInfluential work since 2022
  3. Pick up a classic book: Congestion control in ATM networksThe most-reprinted book on the subject
  4. Read the landmark paper: TCP and explicit congestion notificationCited 723 times
  5. Go sideways: Network congestionA closely related topic
  6. Go sideways: TCP window scale optionA closely related topic

📖 Definitions

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🗂️ The subject at a glance

  1. Operation
  2. Effects on performance
  3. Implementations

🏆 Landmark papers (most cited)

🆕 Influential since 2022

📚 Books worth reading

Ranked by number of editions on Open Library, a rough measure of how lasting a book is.

🔗 Related topics