def update(self, new_routing_table):
self.routers.replace(new_routing_table.routers)<EOL>self.readers.replace(new_routing_table.readers)<EOL>self.writers.replace(new_routing_table.writers)<EOL>self.last_updated_time = self.timer()<EOL>self.ttl = new_routing_table.ttl<EOL>log_debug("<STR_LIT>", self)<EOL>
Update the current routing table with new routing information
        from a replacement table.