Communication protocols

A system for exchanging information comprising:

• a memory;
• a first communication link;
• at least one first processor coupled to the memory and the first communication link and configured to:
• generate a first request message including a first globally unique identifier (GUID) that identifies a first usage that when executed by at least one second processor will start a communication session;
• transmit the first request message on the first communication link;
• receive a first response message including the first GUID;
• generate a second request message including a start of frame field storing a value that indicates a type of the second request message, a framelength field storing a value that indicates a length of the second request message, a data field storing data, a datalength field storing a value that indicates a length of the data field, and a GUID field storing a value of a second GUID that identifies a second usage supported by a protocol implemented by the at least one second processor;
• transmit the second request message on the first communication link;
• and
• receive a second response message including the second GUID and information having the same value as the data.

A method for exchanging information using a first computer, the method comprising:

• generating, by the first computer, a first request message including a first globally unique identifier (GUID) that identifies a first usage that when executed by a second computer will start a communication session on a link shared by the first computer and the second computer;
• transmitting the first request message on the link;
• receiving a first response message including the first GUID;
• generating a second request message including data and a second GUID that identifies a second usage supported by the second computer, wherein generating the second request message includes storing a value that indicates a type of the second request message within a start of frame field, storing a value that indicates a length of the second request message within a framelength field, storing a value that indicates a length of a data field within a datalength field, storing a value of the second GUI within a GUID field, and storing the data within the data field;
• transmitting the second request message on the link;
• and
• receiving a second response message including the second GUID and information having the same value as the data.