Table 2: Messages for energy balancing algorithm.

NameAttributesRemark

EPRSender.ID
Sender.En
By EPR, nodes who need energy protection can send this protection request to the root

EPNSender.ID By EPN, nodes who need energy protection can notify its children of this request

EPNRSender.ID Reply for EPN

EPBEPR.ID
EPR.En
After making decision on nodes’ energy protection requests, the root can broadcast the decision to the network