A New Internet-Draft is available from the on-line Internet-Drafts directories.
Title : ECN Interactions with IP Tunnels
Author(s) : S. Floyd, K. Ramakrishnan
Filename : draft-floyd-ecn-tunnels-01.txt
Pages : 13
Date : 30-Oct-00
The encapsulation of IP packet headers in tunnels is used in many
places, including IPsec and IP in IP [RFC2003]. Explicit Congestion
Notification (ECN) is an experimental addition to the IP architecture
that uses the ECN field in the IP header to provide an indication of
the onset of congestion to applications. ECN provides this
congestion indication to enable end-node adaptation to network
conditions without the use of dropped packets [RFC 2481]. Currently,
the ECN specification does not accommodate the constraints imposed by
with some of these pre-existing specifications for tunnels. This
document considers issues related to interactions between ECN and IP
tunnels, and proposes two alternative solutions.
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