[Int-area] I-D Action:draft-ietf-intarea-router-alert-considerations-03.txt

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A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the Internet Area Working Group Working Group of the IETF.


	Title           : IP Router Alert Considerations and Usage
	Author(s)       : F. Le Faucheur
	Filename        : draft-ietf-intarea-router-alert-considerations-03.txt
	Pages           : 25
	Date            : 2011-03-10

The IP Router Alert Option is an IP option that alerts transit
routers to more closely examine the contents of an IP packet.  RSVP,
PGM, IGMP/MLD, MRD and GIST are some of the protocols that make use
of the IP Router Alert option.  This document discusses security
aspects and usage guidelines around the use of the current IP Router
Alert option.  Specifically, it provides recommendation against using
the Router Alert in the end-to-end open Internet as well as identify
controlled environments where protocols depending on Router Alert can
be used safely.  It also provides recommendation about protection
approaches for Service Providers.  Finally it provides brief
guidelines for Router Alert implementation on routers.

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