RFC 5681: TCP Congestion Control

This document defines TCP's four intertwined congestion control algorithms: slow start, congestion avoidance, fast retransmit, and fast recovery. In addition,…

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Outgoing relationships (19 related RFCs)

Obsoletes, Informative reference — RFC 2581: TCP Congestion Control
Normative reference — RFC 2119: Key words for use in RFCs to Indicate Requirement Levels
Normative reference — RFC 793: Transmission Control Protocol
Normative reference — RFC 1122: Requirements for Internet Hosts - Communication Layers
Normative reference — RFC 1191: Path MTU discovery
Informative reference — RFC 3168: The Addition of Explicit Congestion Notification (ECN) to IP
Informative reference — RFC 4821: Packetization Layer Path MTU Discovery
Informative reference — RFC 2018: TCP Selective Acknowledgment Options
Informative reference — RFC 2988: Computing TCP's Retransmission Timer
Informative reference — RFC 3042: Enhancing TCP's Loss Recovery Using Limited Transmit
Informative reference — RFC 2883: An Extension to the Selective Acknowledgement (SACK) Option for TCP
Informative reference — RFC 813: Window and Acknowledgement Strategy in TCP
Informative reference — RFC 2001: TCP Slow Start, Congestion Avoidance, Fast Retransmit, and Fast Recovery Algorithms
Informative reference — RFC 3390: Increasing TCP's Initial Window
Informative reference — RFC 3517: A Conservative Selective Acknowledgment (SACK)-based Loss Recovery Algorithm for TCP
Informative reference — RFC 3465: TCP Congestion Control with Appropriate Byte Counting (ABC)
Informative reference — RFC 2525: Known TCP Implementation Problems
Informative reference — RFC 2414: Increasing TCP's Initial Window
Informative reference — RFC 3782: The NewReno Modification to TCP's Fast Recovery Algorithm

Incoming relationships (53 related RFCs)

Showing 50 of 53 related RFCs.

Updated by, Normatively referenced by — RFC 9438: CUBIC for Fast and Long-Distance Networks
Normatively referenced by — RFC 9293: Transmission Control Protocol (TCP)
Normatively referenced by — RFC 6298: Computing TCP's Retransmission Timer
Normatively referenced by — RFC 7567: IETF Recommendations Regarding Active Queue Management
Normatively referenced by — RFC 9260: Stream Control Transmission Protocol
Normatively referenced by — RFC 6817: Low Extra Delay Background Transport (LEDBAT)
Normatively referenced by — RFC 6675: A Conservative Loss Recovery Algorithm Based on Selective Acknowledgment (SACK) for TCP
Normatively referenced by — RFC 7414: A Roadmap for Transmission Control Protocol (TCP) Specification Documents
Normatively referenced by — RFC 6928: Increasing TCP's Initial Window
Normatively referenced by — RFC 6356: Coupled Congestion Control for Multipath Transport Protocols
Normatively referenced by — RFC 6633: Deprecation of ICMP Source Quench Messages
Normatively referenced by — RFC 8312: CUBIC for Fast Long-Distance Networks
Normatively referenced by — RFC 7661: Updating TCP to Support Rate-Limited Traffic
Normatively referenced by — RFC 8257: Data Center TCP (DCTCP): TCP Congestion Control for Data Centers
Normatively referenced by — RFC 9040: TCP Control Block Interdependence
Normatively referenced by — RFC 5827: Early Retransmit for TCP and Stream Control Transmission Protocol (SCTP)
Normatively referenced by — RFC 6937: Proportional Rate Reduction for TCP
Normatively referenced by — RFC 7701: Multi-party Chat Using the Message Session Relay Protocol (MSRP)
Normatively referenced by — RFC 7786: TCP Modifications for Congestion Exposure (ConEx)
Normatively referenced by — RFC 8867: Test Cases for Evaluating Congestion Control for Interactive Real-Time Media
Normatively referenced by — RFC 9406: HyStart++: Modified Slow Start for TCP
Normatively referenced by — RFC 9937: Proportional Rate Reduction (PRR)
Normatively referenced by — RFC 9006: TCP Usage Guidance in the Internet of Things (IoT)
Informatively referenced by — RFC 8083: Multimedia Congestion Control: Circuit Breakers for Unicast RTP Sessions
Informatively referenced by — RFC 6824: TCP Extensions for Multipath Operation with Multiple Addresses
Informatively referenced by — RFC 5927: ICMP Attacks against TCP
Informatively referenced by — RFC 8684: TCP Extensions for Multipath Operation with Multiple Addresses
Informatively referenced by — RFC 7713: Congestion Exposure (ConEx) Concepts, Abstract Mechanism, and Requirements
Informatively referenced by — RFC 8095: Services Provided by IETF Transport Protocols and Congestion Control Mechanisms
Informatively referenced by — RFC 8084: Network Transport Circuit Breakers
Informatively referenced by — RFC 8087: The Benefits of Using Explicit Congestion Notification (ECN)
Informatively referenced by — RFC 6077: Open Research Issues in Internet Congestion Control
Informatively referenced by — RFC 7141: Byte and Packet Congestion Notification
Informatively referenced by — RFC 9330: Low Latency, Low Loss, and Scalable Throughput (L4S) Internet Service: Architecture
Informatively referenced by — RFC 9331: The Explicit Congestion Notification (ECN) Protocol for Low Latency, Low Loss, and Scalable Throughput (L4S)
Informatively referenced by — RFC 8931: IPv6 over Low-Power Wireless Personal Area Network (6LoWPAN) Selective Fragment Recovery
Informatively referenced by — RFC 6013: TCP Cookie Transactions (TCPCT)
Informatively referenced by — RFC 7424: Mechanisms for Optimizing Link Aggregation Group (LAG) and Equal-Cost Multipath (ECMP) Component Link Utilization in Networks
Informatively referenced by — RFC 7560: Problem Statement and Requirements for Increased Accuracy in Explicit Congestion Notification (ECN) Feedback
Informatively referenced by — RFC 8961: Requirements for Time-Based Loss Detection
Informatively referenced by — RFC 9265: Forward Erasure Correction (FEC) Coding and Congestion Control in Transport
Informatively referenced by — RFC 9332: Dual-Queue Coupled Active Queue Management (AQM) for Low Latency, Low Loss, and Scalable Throughput (L4S)
Informatively referenced by — RFC 5677: IEEE 802.21 Mobility Services Framework Design (MSFD)
Informatively referenced by — RFC 6297: A Survey of Lower-than-Best-Effort Transport Protocols
Informatively referenced by — RFC 8337: Model-Based Metrics for Bulk Transport Capacity
Informatively referenced by — RFC 6846: RObust Header Compression (ROHC): A Profile for TCP/IP (ROHC-TCP)
Informatively referenced by — RFC 9317: Operational Considerations for Streaming Media
Informatively referenced by — RFC 9956: A Non-Queue-Building Per-Hop Behavior (NQB PHB) for Differentiated Services
Informatively referenced by — RFC 9957: The DOCSIS Queue Protection Algorithm to Preserve Low Latency
Informatively referenced by — RFC 9681: IS-IS Fast Flooding