Identify the principal and alternate transporting ambulance service(s), by name and DOH agency code #, dispatched to the incidents to which you respond. Provide a copy of the written EMS participation agreement(s) you have executed with these services.
This process starts with the sending TCP software issuing a request for a TCP connection with the receiving machine. In the message is a unique number (called a socket number) that identifies the sending machine's connection.
All of the protocols in the TCP/IP suite are defined by documents called Requests For Comments (RFC 's). An important difference between TCP/IP RFC's and other (say, IEEE or ITU) networking standards is that RFC's are freely available online. RFC's can be composed and submitted for approval by anyone.