Table 1: Messages for pruning algorithm.

NameAttributesRemark

CRQSender.Level For nodes to find out all their children by this CRQ (Children Request) message
Sender.PID
Sender.GPID

CMTSender.PID For nodes to maintain or update their valid children
Sender.BPID

CMTRBP_FlagReply for CMT

CDNFor nodes to notify their parents when they detach from the tree

CDNRReply for CDN