IP Router Alert Considerations and Usage
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From: The IESG <email@example.com> To: IETF-Announce <firstname.lastname@example.org> Cc: RFC Editor <email@example.com> Subject: Protocol Action: 'IP Router Alert Considerations and Usage' to BCP (draft-ietf-intarea-router-alert-considerations-10.txt) The IESG has approved the following document: - 'IP Router Alert Considerations and Usage' (draft-ietf-intarea-router-alert-considerations-10.txt) as a BCP This document is the product of the Internet Area Working Group. The IESG contact persons are Ralph Droms and Jari Arkko. A URL of this Internet Draft is: http://datatracker.ietf.org/doc/draft-ietf-intarea-router-alert-considerations/
Technical Summary 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. Working Group Summary The normal WG process was followed and the document as it stands now reflects WG consensus with nothing special worth mentioning. Document Quality The document was given adequate reviews. The Document Shepherd has no concerns about the depth or breadth of these reviews. Personnel The document shepherd is Julien Laganier. The responsible Area Director is Ralph Droms.