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Congestion Safety Use TCP as Transport when possible Scalability of RRCs may be reduced! If TCP cannot be used following modes of operation are recommended Constant Transmission Rate 1 RAQMON PDU every 2 minutes (as good as TCP) End of communication Session “Engineered” Constant Rate ? e.g. 1 PDU every 5 sec Retransmission timers with back offs Ping/Pongs ? e.g. Process SNMP INFORMS from RRC By restricting transmission to MTU Size No more than 10% network bandwidth be used for RAQMON |