RFC 6040: Tunnelling of Explicit Congestion Notification

This document redefines how the explicit congestion notification (ECN) field of the IP header should be constructed on entry to and exit from any IP-in-IP…

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Outgoing relationships (16 related RFCs)

Updates, Normative reference — RFC 4301: Security Architecture for the Internet Protocol
Updates, Normative reference — RFC 3168: The Addition of Explicit Congestion Notification (ECN) to IP
Updates, Informative reference — RFC 4774: Specifying Alternate Semantics for the Explicit Congestion Notification (ECN) Field
Normative reference — RFC 2119: Key words for use in RFCs to Indicate Requirement Levels
Normative reference — RFC 2003: IP Encapsulation within IP
Informative reference — RFC 2401: Security Architecture for the Internet Protocol
Informative reference — RFC 2474: Definition of the Differentiated Services Field (DS Field) in the IPv4 and IPv6 Headers
Informative reference — RFC 5996: Internet Key Exchange Protocol Version 2 (IKEv2)
Informative reference — RFC 2983: Differentiated Services and Tunnels
Informative reference — RFC 3540: Robust Explicit Congestion Notification (ECN) Signaling with Nonces
Informative reference — RFC 5129: Explicit Congestion Marking in MPLS
Informative reference — RFC 5659: An Architecture for Multi-Segment Pseudowire Emulation Edge-to-Edge
Informative reference — RFC 5559: Pre-Congestion Notification (PCN) Architecture
Informative reference — RFC 2481: A Proposal to add Explicit Congestion Notification (ECN) to IP
Informative reference — RFC 5670: Metering and Marking Behaviour of PCN-Nodes
Informative reference — RFC 5696: Baseline Encoding and Transport of Pre-Congestion Information

Incoming relationships (25 related RFCs)

Updated by, Normatively referenced by — RFC 9601: Propagating Explicit Congestion Notification across IP Tunnel Headers Separated by a Shim
Normatively referenced by — RFC 8085: UDP Usage Guidelines
Normatively referenced by — RFC 7567: IETF Recommendations Regarding Active Queue Management
Normatively referenced by — RFC 8926: Geneve: Generic Network Virtualization Encapsulation
Normatively referenced by — RFC 6660: Encoding Three Pre-Congestion Notification (PCN) States in the IP Header Using a Single Diffserv Codepoint (DSCP)
Normatively referenced by — RFC 9300: The Locator/ID Separation Protocol (LISP)
Normatively referenced by — RFC 9008: Using RPI Option Type, Routing Header for Source Routes, and IPv6-in-IPv6 Encapsulation in the RPL Data Plane
Normatively referenced by — RFC 8086: GRE-in-UDP Encapsulation
Normatively referenced by — RFC 8087: The Benefits of Using Explicit Congestion Notification (ECN)
Normatively referenced by — RFC 9329: TCP Encapsulation of Internet Key Exchange Protocol (IKE) and IPsec Packets
Normatively referenced by — RFC 8663: MPLS Segment Routing over IP
Normatively referenced by — RFC 9599: Guidelines for Adding Congestion Notification to Protocols that Encapsulate IP
Normatively referenced by — RFC 7600: IPv4 Residual Deployment via IPv6 - A Stateless Solution (4rd)
Normatively referenced by — RFC 9305: Locator/ID Separation Protocol (LISP) Generic Protocol Extension
Informatively referenced by — RFC 8311: Relaxing Restrictions on Explicit Congestion Notification (ECN) Experimentation
Informatively referenced by — RFC 9298: Proxying UDP in HTTP
Informatively referenced by — RFC 6077: Open Research Issues in Internet Congestion Control
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 8293: A Framework for Multicast in Network Virtualization over Layer 3
Informatively referenced by — RFC 9347: Aggregation and Fragmentation Mode for Encapsulating Security Payload (ESP) and Its Use for IP Traffic Flow Security (IP-TFS)
Informatively referenced by — RFC 9484: Proxying IP in HTTP
Informatively referenced by — RFC 6627: Overview of Pre-Congestion Notification Encoding
Informatively referenced by — RFC 9600: TRansparent Interconnection of Lots of Links (TRILL): Explicit Congestion Notification (ECN) Support
Informatively referenced by — RFC 7778: Mobile Communication Congestion Exposure Scenario