2.2.7 QCC Packet

This packet is sent by the server to the multicast address. All clients in the multicast session MUST reply back to the server using the QCR packet.


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QCCSeqNo

...

QCRBackOff

QCCSeqNo (8 bytes):  MUST be set to an 8-byte numeric value, which is incremented by one with every successive QCC packet. The value for the first QCC packet sent by the server MUST be set to 1.

QCRBackOff (2 bytes): Specifies maximum wait time in millisecond granularity. Clients MUST wait for a random time between 0 and QCRBackOff before sending a QCR packet to the server.

This packet does not have any Extended Options.