| (1) if receives for the first time then |
| (2) parent .sedner_id |
| (3) Set F by Algorithm 3 |
| (4) threshold ..score // |
| (5) if then |
| (6) CL← |
| (7) for where .next_node ≠ do |
| (8) CL CL .CH |
| (9) AT |
| (10) for RoutingTable.entry do |
| (11) if .CH is not included in CL and |
| (12) .next_node is within from then |
| (13) AT AT ∪ .CH, .next_node} |
| (14) if then |
| (15) |
| (16) Send to nodes included in AT as next_node |
| (17) else |
| (18) LeafFlag 1 |
| (19) Perform Algorithm 5 |
| (20) if then |
| (21) Reply data whose score is not more than threshold to parent |
