Udp question. 100$ for first to answer

only for delphi... I need to convert the following TCP Situation to UDP: Computer A in a lan with a router establishes a connection to a computer B connected direct to internet. By doing so computer b can also send info back to a. In udp i havent read any documents about reaching a computer in a lan. This problem must be solved by code meaning no use of proxies, forward options in the router, etc. ## Deliverables 1) An explenation on how to solve this problem or all codes required to establish this connection ## Platform All windows