a plurality of links to connect the respective nodes along the respective transport route and having route information to correspond to respective routes between the respective nodes, the route information includes {HEAD ~ errors} generated between {TAIL ~ nodes} which is updated based on real time circumstances 
generated between
a plurality of links to connect the respective nodes along the respective transport route and having route information to correspond to respective routes between the respective nodes , the route information includes { HEAD ~ errors } generated between { TAIL ~ nodes } which is updated based on real time circumstances
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH