PINGRESP PING response

A PINGRESP message is the response to a PINGREQ message and means "yes I am alive". Keep Alive messages flow in either direction, sent either by a connected client or the broker.

Fixed header

The table below shows the fixed header format:

bit 7 6 5 4 3 2 1 0
byte 1 Message Type (13) DUP flag QoS level RETAIN
  1 1 0 1 x x x x
byte 2 Remaining Length (0)
  0 0 0 0 0 0 0 0

The DUP, QoS, and RETAIN flags are not used.

Payload

There is no payload.

Variable header

There is no variable header.