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VR Needs to Switch/Route VR Needs to Switch/Route
EPC in tenant network eNB, MME, App servers on public network << Send SGW_EXT_IP on Create Session Resp msg MME Signaling Path Control (VNF) SDN Controller (VNF=ODL / ONOS) Signaling Path SGW_EXT_IP S/P-GW (VNF) S1U _GW SGi_GW ng4T RAN [enB + UE] Data Path ng4T Application Server (AS) VR VR VR Needs to Switch/Route UL [DST=SGW_EXT_IP Nxt_HOP=S1U_GW] DL [DST=eNB_IP Nxt_HOP=*] VR Needs to Switch/Route UL [DST=AS_IP Nxt_HOP=*] DL [DST=UE_IP Nxt_HOP=SGI_GW] GTP_U_HDR SRC: enb_IP DST: SGW_EXT_IP IP_PDU SRC: UE_IP DST: AS_IP IP_Payld S1U UP Link (UL) eNB >> SGW IP_PDU SRC: UE_IP DST: AS_IP IP_Payld SGi UP Link (UL) UE >> AS GTP_U_HDR SRC: SGW_EXT_IP DST: enb_IP IP_PDU SRC: AS_IP DST: UE_IP IP_Payld S1U Down Link (DL) eNB << SGW IP_PDU SRC: AS_IP DST: UE_IP IP_Payld SGi Down Link (DL) UE << AS
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MME Control SDN Controller S/P-GW ng4T ng4T
All in tenant network Easier to start with MME Signaling Path Control (VNF) SDN Controller (VNF=ODL / ONOS) Signaling Path SGW_EXT_IP S/P-GW (VNF) S1U _GW SGi_GW ng4T RAN [enB + UE] ng4T Application Server (AS) Data Path GTP_U_HDR SRC: enb_IP DST: SGW_EXT_IP IP_PDU SRC: UE_IP DST: AS_IP IP_Payld S1U UP Link (UL) eNB >> SGW IP_PDU SRC: UE_IP DST: AS_IP IP_Payld SGi UP Link (UL) UE >> AS GTP_U_HDR SRC: SGW_EXT_IP DST: enb_IP IP_PDU SRC: AS_IP DST: UE_IP IP_Payld S1U Down Link (DL) eNB << SGW IP_PDU SRC: AS_IP DST: UE_IP IP_Payld SGi Down Link (DL) UE << AS
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VR Needs to Switch/Route VR Needs to Switch/Route
Using SDN Controller in infrastructure mode, vs. as a VM in the EPC application << Send SGW_EXT_IP on Create Session Resp msg MME Signaling Path Control (VNF) SDN Controller (ONOS) Signaling Path SGW_EXT_IP S/P-GW (VNF) S1U _GW SGi_GW ng4T RAN [enB + UE] Data Path ng4T Application Server (AS) VR VR VR Needs to Switch/Route UL [DST=SGW_EXT_IP Nxt_HOP=S1U_GW] DL [DST=eNB_IP Nxt_HOP=*] VR Needs to Switch/Route UL [DST=AS_IP Nxt_HOP=*] DL [DST=UE_IP Nxt_HOP=SGI_GW] GTP_U_HDR SRC: enb_IP DST: SGW_EXT_IP IP_PDU SRC: UE_IP DST: AS_IP IP_Payld S1U UP Link (UL) eNB >> SGW IP_PDU SRC: UE_IP DST: AS_IP IP_Payld SGi UP Link (UL) UE >> AS GTP_U_HDR SRC: SGW_EXT_IP DST: enb_IP IP_PDU SRC: AS_IP DST: UE_IP IP_Payld S1U Down Link (DL) eNB << SGW IP_PDU SRC: AS_IP DST: UE_IP IP_Payld SGi Down Link (DL) UE << AS
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