RFC 9601: Propagating Explicit Congestion Notification across IP Tunnel Headers Separated by a Shim

RFC 6040 on "Tunnelling of Explicit Congestion Notification" made the rules for propagation of Explicit Congestion Notification (ECN) consistent for all forms…

Read RFC 9601 on the RFC Editor

Outgoing relationships (38 related RFCs)

Updates, Normative reference — RFC 2784: Generic Routing Encapsulation (GRE)
Updates, Normative reference — RFC 4380: Teredo: Tunneling IPv6 over UDP through Network Address Translations (NATs)
Updates, Normative reference — RFC 3931: Layer Two Tunneling Protocol - Version 3 (L2TPv3)
Updates, Normative reference — RFC 2661: Layer Two Tunneling Protocol "L2TP"
Updates, Normative reference — RFC 6040: Tunnelling of Explicit Congestion Notification
Updates, Normative reference — RFC 7450: Automatic Multicast Tunneling
Normative reference — RFC 2119: Key words for use in RFCs to Indicate Requirement Levels
Normative reference — RFC 4301: Security Architecture for the Internet Protocol
Normative reference — RFC 3168: The Addition of Explicit Congestion Notification (ECN) to IP
Normative reference — RFC 2474: Definition of the Differentiated Services Field (DS Field) in the IPv4 and IPv6 Headers
Normative reference — RFC 5129: Explicit Congestion Marking in MPLS
Normative reference — RFC 6660: Encoding Three Pre-Congestion Notification (PCN) States in the IP Header Using a Single Diffserv Codepoint (DSCP)
Normative reference — RFC 9599: Guidelines for Adding Congestion Notification to Protocols that Encapsulate IP
Informative reference — RFC 8174: Ambiguity of Uppercase vs Lowercase in RFC 2119 Key Words
Informative reference — RFC 7296: Internet Key Exchange Protocol Version 2 (IKEv2)
Informative reference — RFC 8085: UDP Usage Guidelines
Informative reference — RFC 6275: Mobility Support in IPv6
Informative reference — RFC 2983: Differentiated Services and Tunnels
Informative reference — RFC 7665: Service Function Chaining (SFC) Architecture
Informative reference — RFC 7348: Virtual eXtensible Local Area Network (VXLAN): A Framework for Overlaying Virtualized Layer 2 Networks over Layer 3 Networks
Informative reference — RFC 2332: NBMA Next Hop Resolution Protocol (NHRP)
Informative reference — RFC 3260: New Terminology and Clarifications for Diffserv
Informative reference — RFC 8300: Network Service Header (NSH)
Informative reference — RFC 1701: Generic Routing Encapsulation (GRE)
Informative reference — RFC 5944: IP Mobility Support for IPv4, Revised
Informative reference — RFC 5415: Control And Provisioning of Wireless Access Points (CAPWAP) Protocol Specification
Informative reference — RFC 7637: NVGRE: Network Virtualization Using Generic Routing Encapsulation
Informative reference — RFC 2637: Point-to-Point Tunneling Protocol (PPTP)
Informative reference — RFC 8311: Relaxing Restrictions on Explicit Congestion Notification (ECN) Experimentation
Informative reference — RFC 8926: Geneve: Generic Network Virtualization Encapsulation
Informative reference — RFC 9300: The Locator/ID Separation Protocol (LISP)
Informative reference — RFC 5845: Generic Routing Encapsulation (GRE) Key Option for Proxy Mobile IPv6
Informative reference — RFC 8087: The Benefits of Using Explicit Congestion Notification (ECN)
Informative reference — RFC 9331: The Explicit Congestion Notification (ECN) Protocol for Low Latency, Low Loss, and Scalable Throughput (L4S)
Informative reference — RFC 9329: TCP Encapsulation of Internet Key Exchange Protocol (IKE) and IPsec Packets
Informative reference — RFC 3308: Layer Two Tunneling Protocol (L2TP) Differentiated Services Extension
Informative reference — RFC 7059: A Comparison of IPv6-over-IPv4 Tunnel Mechanisms
Informative reference — RFC 8159: Keyed IPv6 Tunnel

Incoming relationships (1 related RFC)

Informatively referenced by — RFC 9599: Guidelines for Adding Congestion Notification to Protocols that Encapsulate IP