I-D Action: draft-ietf-intarea-router-alert-considerations-09.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)       : Francois Le Faucheur
	Filename        : draft-ietf-intarea-router-alert-considerations-09.txt
	Pages           : 24
	Date            : 2011-08-02

   The IP Router Alert Option is an IP option that alerts transit
   routers to more closely examine the contents of an IP packet.
   Resource reSerVation Protocol (RSVP), Pragmatic General Multicast
   (PGM), Internet Group Management Protocol (IGMP), Multicast Listener
   Discovery (MLD), Multicast Router Discovery (MRD) and General
   Internet Signalling Transport (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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