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MIH overhead The MIH overhead is defined by the number of packets transmitted by the MIHF to the MIH_NET (i.e., transport layer) including retransmission and acknowledgement over the number of MIH messages carrying information (i.e., Indication, Request, or Response). When the MIH ACK is used and no packet loss is incurred in the network the overhead is two, since there is an MIH message and an MIH ACK for each MIH message. The overhead for requests is lower than for indications, since a response may be ignored by the sender if it arrives late and the MIH ACK is not generated. |