A multi-tiered network for gathering detected condition information
includes a first tier having first tier nodes and a second tier having a
second tier node. The second tier node is operable to receive detected
condition information from at least one of the first tier nodes in a
substantially autonomous manner. In addition, the second tier node is
operable to at least one of store, process, and transmit the detected
condition information. The network also includes a third tier having a
third tier node configured to receive the detected condition information
and to at least one of store and process the detected condition
information.