UDP Response

Question

UDP doesnot sends any ack back, but will it send any response?

I have set up client server UDP program. If I give client to send data to non existent server then wil

Answer 1

If you need reliable UDP as in ordering or verification such that TCP/IP will give you take a look at RUDP or Reliable UDP. Sometimes you do need verification but a mixture of UDP and TCP can be held up on the TCP reliability causing a bottleneck.

For most large scale MMO's for isntance UDP and Reliablity UDP are the means of communication and reliability. All RUDP does is add a smaller portion of TCP/IP to validate and order certain messages but not all.

A common game development networking library is Raknet which has this built in.

RUDP http://www.javvin.com/protocolRUDP.html

An example of RUDP using Raknet and Python http://pyraknet.slowchop.com/