Cisco ASR 5000 series Product Overview page 195

ASN Gateway Overview
Figure 55.
MS/SS
1
Table 39. Controlled Inter-ASN Gateway Handover Procedure - Action Phase Description
Step Description
1 MS sends a MOB_MSHO-IND message to the serving ASN BS.
2 Serving ASN BS sends a Handover Confirm message to the target ASN BS.
3 Target ASN BS sends a Handover Acknowledge message to the serving ASN BS.
4 MS moves off of the serving ASN Gateway and re-enters the network through target ASN BS.
5 Target ASN BS sends a Path Registration Request message to the target non-anchor ASN Gateway.
6 Target non-anchor ASN Gateway forwards the Path Registration Request message to the anchor ASN Gateway.
7 Anchor ASN Gateway sends a Path Registration Response message to the target non-anchor ANS GW.
8 Target non-anchor ASN Gateway forwards the Path Registration Response message to the target ASN BS.
9 Target ASN BS sends a Path Registration Acknowledge message to the target non-anchor ASN Gateway.
OL-22938-02
Controlled Inter-ASN Gateway Handover Procedure - Action Phase
Serving
ASN BS
DATA
4
13
14
Anchor
Target
ASN-GW
ASN BS
2
3
12
ASN Call Procedure Flows ▀
Non-Anchor
Target ASN -GW
5
3
4
8
9
10
11
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