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3GPP TSG SA WG2 #93 會議報告 - 網路通訊國際標準分析及參與 ...

3GPP TSG SA WG2 #93 會議報告 - 網路通訊國際標準分析及參與 ...

3GPP TSG SA WG2 #93 會議報告 - 網路通訊國際標準分析及參與 ...

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Gi<br />

L-GW<br />

Gn<br />

Sxx<br />

Se<br />

GW<br />

Gn<br />

Iurh<br />

HNB<br />

Iuh<br />

HNB<br />

GW<br />

Iu<br />

SGSN<br />

Uu<br />

UE<br />

Figure 5.4.3.x-3: SIPTO@LN architecture (UMTS diagram)<br />

The following open points need to be resolved:<br />

- whether Sxx contains a Control plane component;<br />

- how to establish the secure tunnel transporting the S5 interface between the L-GW and the SGW;<br />

- L-GW selection and addressing;<br />

- discovery of the SIPTO@LN mobility area;<br />

- deactivation of the PDN connection established in SIPTO@LN mode.<br />

‣Others<br />

Others S2-123829 S2-123830 TR<br />

23.859 Figure A.3.3 Figure A.3.4 <br />

commenter ZTE ZTE <br />

<br />

<br />

•New working items<br />

1. UPCON (User plan congestion management requirements)<br />

Stage 1 FS_UPCON user data RAN user plan<br />

35

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