26 lines
1.2 KiB
Plaintext
26 lines
1.2 KiB
Plaintext
msc {
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hscale="3", wordwraparcs="1";
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ue,hnb,hnbgw,sgsn,ggsn;
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ue box hnb [ label = "Radio Channel Establishment, possibly already done by IMSI ATTACH / RAU" ];
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ue => hnb [ label = "RRC (SM PDP CTX ACT REQ)" ];
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hnb => hnbgw [ label = "RUA DT (RANAP DirectTransfer (SM PDP CTX ACT REQ))" ];
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hnbgw => sgsn [ label = "SCCP DT1 (RANAP DirectTransfer (SM PDP CTX ACT REQ))" ];
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sgsn => ggsn [ label = "GTP-C PDP CTX ACT REQ" ];
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ggsn >> sgsn [ label = "GTP-C PDP CTX ACT ACK (IP+TEI of GGSN)" ];
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sgsn => hnbgw [ label = "SCCP DT1 (RANAP Activate RAB Req (IP+TEI of GGSN)" ];
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hnbgw => hnb [ label = "RUA DT (RANAP Activate RAB Req (IP+TEI of GGSN)" ];
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hnb box ue [ label = "RAB Establishment" ];
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hnb >> hnbgw [ label = "RUA DT (RANAP Activate RAB Resp (IP + TEI of HNB)" ];
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hnbgw >> sgsn [ label = "SCCP DT1 (RANAP Activate RAB Resp (IP + TEI of HNB)" ];
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sgsn => ggsn [ label = "GTP-C PDP CTX MOD REQ (IP + TEI of HNB)" ];
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ggsn >> sgsn [ label = "GTP-C PDP CTX MOD RESP" ];
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sgsn >> hnbgw [ label = "SCCP DT1 (RANAP DirectTransfer (SM PDP CTX ACT ACK))" ];
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hnbgw >> hnb [ label = "RUA DT (RANAP DirectTransfer (SM PDP CTX ACT ACK))" ];
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hnb >> ue [ label = "RRC (SM PDP CTX ACT ACK))" ];
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}
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