rfc-3168

The Addition of Explicit Congestion Notification (ECN) to IP

K. Ramakrishnan, S. Floyd, D. Black

date2001-09 streamIETF areawit wgtsvwg statusPROPOSED STANDARD pages63 canonicalhttps://www.rfc-editor.org/rfc/rfc3168 doi10.17487/RFC3168 errataview

This memo specifies the incorporation of ECN (Explicit Congestion Notification) to TCP and IP, including ECN's use of two bits in the IP header. [STANDARDS-TRACK]

obsoletes

rfc-2481 — A Proposal to add Explicit Congestion Notification (ECN) to IP

updated by

rfc-4301 — Security Architecture for the Internet Protocol
rfc-6040 — Tunnelling of Explicit Congestion Notification
rfc-8311 — Relaxing Restrictions on Explicit Congestion Notification (ECN) Experimentation
rfc-9768 — More Accurate Explicit Congestion Notification (AccECN) Feedback in TCP

updates

rfc-2003 — IP Encapsulation within IP
rfc-2401 — Security Architecture for the Internet Protocol
rfc-2474 — Definition of the Differentiated Services Field (DS Field) in the IPv4 and IPv6 Headers
rfc-793 — Transmission Control Protocol