Patent ID: 8085686

Claim:
A method comprising: attaching, by a mobile router, to an attachment router according to a protocol requiring establishment of a tree topology having a single clusterhead, the attaching by the mobile router based on the mobile router receiving, from the attachment router, an advertisement message specifying an attachment prefix; outputting by the mobile router a second advertisement message specifying availability of a prescribed address prefix used by the mobile router and distinct from the attachment prefix, and further specifying attributes of the mobile router relative to the tree topology; receiving by the mobile router a plurality of sensor data messages from at least one attached sensor host node, each sensor data message specifying at least one sensor data element specifying a detected sensor parameter; aggregating by the mobile router the sensor data elements from the sensor data messages into aggregated sensor data; generating and outputting by the mobile router a neighbor advertisement message to the attachment router, the neighbor advertisement message specifying the aggregated sensor data; and receiving by the mobile router a second neighbor advertisement message from an attached mobile router having attached to the mobile router, the second neighbor advertisement message specifying second aggregated sensor data; the aggregating including aggregating the sensor data elements with the second aggregated sensor data received from the attached mobile router to form the aggregated sensor data.