2.2.2.2.1 UDP: Presence Request

The UDP presence request message is one that any device can subscribe to and respond to for  participation in the Connected Devices Protocol message exchange.

0	1	2	3	4	5	6	7	8	9	1 0	1	2	3	4	5	6	7	8	9	2 0	1	2	3	4	5	6	7	8	9	3 0	1
MessageType								DiscoveryType

MessageType (1 byte): Indicates current message type, in this case, Discovery, with a value of 1, as specified in the Common Header, section 2.2.2.1.1.

DiscoveryType (1 byte): Indicates type of discovery message, in this case, Presence Request.

Value	Meaning
0	Presence Request
1	Presence Response