A New Internet-Draft is available from the on-line Internet-Drafts directories.
Title : Tunnel Loops and its Detection
Author(s) : C. Ng, et al.
Filename : draft-ng-intarea-tunnel-loop-00.txt
Pages : 12
Date : 2008-10-26
Many protocols in the Internet Protocol suite use packet
encapsulations. This runs into the danger of forming a tunnel loop.
Since each tunnel entry point encapsulates the inner packet with a
tunnel packet header that contains a new hop count, a packet entering
a tunnel loop may be routed infinitely, consuming network resources.
Although there exist methods to cause a packet in a tunnel loop to be
discarded eventually, it would be more desirable to detect the
presence of a tunnel loop and act accordingly. This draft explores
the possibility for tunnel entry points to detect the presence of a
tunnel loop by using an extra identifier tagged to the outer packet
header.
A URL for this Internet-Draft is:
http://www.ietf.org/internet-drafts/draft-ng-intarea-tunnel-loop-00.txt
Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/
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implementation to automatically retrieve the ASCII version of the
Internet-Draft.
- <ftp://ftp.ietf.org/internet-drafts/draft-ng-intarea-tunnel-loop-00.txt>
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