Unlike TCP, UDP doesn't establish a connection before sending data, it just sends. Because of this, UDP is called Connectionless. UDP packets are often called Datagrams. An example of UDP in action is the DNS service.
Line Segment Bisector, Right Angle. How to construct a Line Segment Bisector AND a Right Angle. using just a compass and a straightedge. Steps: 1  Place the compass at one end of line segment. 2  Adjust the compass to slightly longer than half the line segment length. 3  Draw arcs above and below the line.
more ... A line that splits an angle into two equal angles. (Bisect means to divide into two equal parts.) Try moving the points below, the red line is the Angle Bisector: