In draft-kelsey-intarea-mesh-link-establishment-03.txt it says that MLE messages are sent using UDP.
I want to suggest that MLE messages should be sent at least as IPv6 ICMP messages. Further, I think that it could use the RPL type 155, and RPL would allocate a new "code" codepoint. There would be some preference to have the general structure of MLE match that of RPL, but I think that this isn't particularly a strong requirement. Allocating a new ICMP type code for MLE alone might be seen as excessive, but I can not speak for the folks in 6man. -- Michael Richardson <mcr+i...@sandelman.ca>, Sandelman Software Works IETF ROLL WG co-chair. http://datatracker.ietf.org/wg/roll/charter/
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