[6lo] Roman Danyliw's Discuss on draft-ietf-6lo-backbone-router-16: (with DISCUSS)

Roman Danyliw via Datatracker <noreply@ietf.org> Wed, 19 February 2020 23:32 UTC

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Subject: [6lo] Roman Danyliw's Discuss on draft-ietf-6lo-backbone-router-16: (with DISCUSS)
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Roman Danyliw has entered the following ballot position for
draft-ietf-6lo-backbone-router-16: Discuss

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Section 11.  Can assumptions of the about the security properties of the links
be clarified.

This specification applies to LLNs and a backbone in which the
   individual links are protected against rogue access, e.g., by
   authenticating a node that attaches to the network and encrypting at
   the MAC layer the transmissions that may be overheard.  In
   particular, the LLN MAC is required to provide secure unicast to/from
   the Backbone Router and secure Broadcast from the Backbone Router in
   a way that prevents tampering with or replaying the RA messages.

-- what are the specific assumptions about the protections that will be on the
link.  Is the list of properties in the “e.g.” the full list?

-- As the second sentence references the only the LLN MAC, using Figure 1 and 2
as a reference (realizing they are non-normative), what’s expected properties
of the links between the router-and-6BBR or IPv6 node-and-6BBR (i.e., the links
connecting to the “backbone side”)?