It sounds like you are looking for a network. If a node can not find a network to connect to, then it cannot connect.
Answer:
Each pixel in an image is made up of binary numbers. If we say that 1 is black (or on) and 0 is white (or off), then a simple black and white picture can be created using binary. To create the picture, a grid can be set out and the squares coloured (1 – black and 0 – white).
The answer is NO.
Thats what makes UDP connectionless. Aclient that is going to
send a UDP message to the server just sends it.The server does not know it is
coming untill it arrives .When a server recieves a UDP message it gets the
source address/port and the data.
