Innovative Mobile E-Healthcare Systems: A New Rule-Based Cache Replacement Strategy Using Least Profit Values

Table 1

Communication messages.

Name	Sender	Receiver	Comments
Update(, , )	Original servers	MSS	Indicating has been updated to at time
VData(, , )	MSS	MUs	Broadcast valid data object with update time at
IR()	MSS	MUs	Indicating cached is invalid
Confirmation(, )	MSS	MUs	Indicating is valid if
Query()	MUs	MSS	Query for data object
Uncertain(, )	MUs	MSS	Verifying if in uncertain state with update time is valid