8x8 Network Utility Repack May 2026

> down 4,0 Node (4,0) is now down

def route_packet(self, src, dst): """Simple dimension-order routing (X then Y)""" if src not in self.nodes or dst not in self.nodes: return None, "Source or destination out of range" if self.nodes[src] != "up" or self.nodes[dst] != "up": return None, "Source or destination down" 8x8 network utility

# move in X direction step_x = 1 if tx > x else -1 while x != tx: x += step_x if self.nodes[(x, y)] != "up": return None, f"Node (x,y) is down — path blocked" path.append((x, y)) > down 4,0 Node (4,0) is now down

return path, "Success"