User's Manual

CHAPTER 4. Message Flow

4-20

Classification Description

(1)~(3) If the power of the Awake Mode MS is turned off, the MS transmits the DREG-REQ

message including ‘Deregistration code=0’ to the RAS, and the RAS notifies the ACR

of this.

(4) ACR release the MIP related information with HA.

(5)~(6) The ACR notifies the RAS of the result of power down processing, and release the

data path.

(7)~(10) The S-ACR updates the information on interworking with the AAA server and the final

accounting information of MS. Diameter is applied to AAA protocol, S-ACR performs

the session termination procedure.

Access Termination (Idle Mode)

The following is the procedure that the access is terminated because the power of the Idle

Mode MS is turned off.

Figure 4.14 Access Termination (Idle Mode)

Classification Description

(1)~(5) If the power of the Idle Mode MS is turned off, the MS transmits the RNG-REQ

message including the Power Down Indicator to the RAS, and the RAS notifies the

ACR of this. The ACR deletes the information of the MS.

(6) ACR release the MIP related information with HA.

(7)~(8) Diameter is applied to AAA protocol, S-ACR performs the session termination

procedure.

RAS ACR

1) RNG-REQ

(Location Update Request, Paging Controller ID)

2) LU Request

4) RNG-RSP

(Location Update Response)

3) LU Response

5) LU Confirm

AAA

7) STR

8) STA

6) MIP release