Michael, Cool! Some editorial remarks:
OLD extended beacon NEW enhanced beacon Could the draft be generic enough to allow for RPL DIOs to be carried in an EB? On Wed, Oct 19, 2016 at 3:49 PM, Michael Richardson <[email protected]> wrote: > > to reply to myself > > Michael Richardson <[email protected]> wrote: > > This will contain a copy of the 16-byte DODAGID so that a very sleepy > > node returning to operation would be able to identify which beacon > > belongs to which network. A joining node will have no idea which > > DODAGID it wants, and a maliciously sent beacon could have any manner > > is superfuge here. Nodes which have already joined the network > SHOULD > > be able to authenticate the beacons. However, this is one of the > > larger objects in the 56 bytes that I describe, and maybe it is > > excessive to store so many bytes here. > > I realized today that the RA probably also needs to carry the ABRO to be > useful to secured hosts. Such hosts will still have to unicast as RS to > get > the PIO from a router. I'm sure that we don't want to put the PIO into an > unencrypted EB/RA. > > The ARBO has the 6LBR address which is often, but not always the same as > the > DODAGID. It can equally well be used to identify the network. > > > I want to attempt to apply RFC7400 (GHC) to this, the savings will be > > probably on the order of ten bytes of zeroes. > > So far, the savings I got with GHC was 4 bytes. I posted an update to the > git repo. ( https://github.com/ietf-roll/6lo-ra-in-ie ) > > > -- > Michael Richardson <[email protected]>, Sandelman Software Works > -= IPv6 IoT consulting =- > > > > > _______________________________________________ > 6tisch mailing list > [email protected] > https://www.ietf.org/mailman/listinfo/6tisch > > -- _______________________________________ Thomas Watteyne, PhD Research Scientist & Innovator, Inria Sr Networking Design Eng, Linear Tech Founder & co-lead, UC Berkeley OpenWSN Co-chair, IETF 6TiSCH www.thomaswatteyne.com _______________________________________
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