the exact meaning of the parameters in wan monitor.

hi:

first i am not familiar with ipsla,so i have some thing confusing when configuring the wan monitor.

as far as i kown,OP use udp jitter operation to collect ipsla information.

could you tell me the mapping relation between parameters in the wan monitor and upd jitter?

for example:
what the parameter "Request Payload(KB)" in wan monitor stands for in udp jitter?

below is some udp jitter parameter from the cisco website
UDP Jitter Operation Parameter Default Configured Using:
Number of packets
Payload size per packet(in Bytes)
Time between packets, in milliseconds
Elapsed time before the operation repeats, in seconds

the paramters i want to know are:
Echo Configuration : Request Payload(KB)
Schedule Attributes : Frequency,Timout

Any help is appreciate.