omniRAN ecsg SDN-based Control Plane and Data Plane Separation in OmniRAN Network Reference Model Date: Authors: NameAffiliationPhone Li Behcet SarikayaHuawei+1 Notice: This document does not represent the agreed view of the OmniRAN EC SG. It represents only the views of the participants listed in the ‘Authors:’ field above. It is offered as a basis for discussion. It is not binding on the contributor, who reserve the right to add, amend or withdraw material contained herein. Copyright policy: The contributor is familiar with the IEEE-SA Copyright Policy. Patent policy: The contributor is familiar with the IEEE-SA Patent Policy and Procedures: and. Abstract This presentation proposes control and data plane separation for SDN solution to be added to OmniRAN Network Reference Model omniRAN ecsg 1

IEEE 802 OmniRAN Study Group: Control Plane and Data Plane Separation in OmniRAN Network Reference Model Xue Li, Huawei Behcet Sarikaya, Huawei USA 2

Motivation Software Defined Networking provides a new way to look at OmniRAN OmniRAN network reference model needs to be modified for SDN solution This contribution aims at providing our proposed changes for SDN solution 3 omniRAN ecsg

S cope of IEEE 802 Medium Data Link Physical Network Transport Application Data Link Physical Data Link Physical Data Link Physical Network Transport Application Network Medium Data Link Physical Data Link Physical Data Link Physical Data Link Physical Access Network Abstraction by OmniRAN OmniRAN provides a generic model of an access network based on IEEE 802 technologies Access Network Terminal Ctrl Service Ctrl Srv R2 R1R3 OmniRAN Network Reference Model Access Network Terminal 4 omniRAN ecsg

SDN-based Access Network Abstraction S cope of IEEE 802 Medium Data Link Physical Network Transport Application Data Link Physical Data Link Physical Data Link Physical Network Transport Application Network Medium Data Link Physical Data Link Physical Data Link Physical Data Link Physical OmniRAN provides a generic model of an access network based on IEEE 802 technologies Access Network Terminal Core Service Srv R3-C R1 R3-D OmniRAN Network Reference Model Terminal Data R2 Ctrl Access Network 5 omniRAN ecsg

SDN-based Control Plane and Data Plane Separation OmniRAN Use Case 61

sdf Terminal Access 1Access 3 Internet Access Access Network Operator Core Operator OmniRAN Architecture Core Access 2 7 omniRAN ecsg

Control Plane and Data Plane Separation sdf Terminal Access 1 Access 3 Internet Access Access Network Operator Core Operator Core- Data Plane Access 2 Core- Control Plane SDN Controller Authentication Handover Mobility Roaming Control Subscription Management Data path Control path 8 omniRAN ecsg

sdf Terminal Access 1Access 3 Internet Access Access Network Operator OmniRAN Architecture with multiple Cores Access 2 Core Operator A Core Core Operator B Core Core Operator C Core 9 omniRAN ecsg

Control Plane and Data Plane Separation sdf Terminal Access 1Access 3 Internet Access Access Network Operator Access 2 \f Core Operator A Core- Data Plane Core- Control Plane SDN Controller A \f Core Operator A Core- Data Plane Core- Control Plane SDN Controller A \f Core Operator A Core- Data Plane Core- Control Plane SDN Controller A 10 omniRAN ecsg

MAPPING TO OmniRAN SDN-based for Control Plane and Data Plane Separation 11 omniRAN ecsg

sdf Control Plane and Data Plane Separation Reference Point Mappings Terminal Access 1Access 3 Internet Access Access Network Operator Access 2 \f Core Operator A Core- Data Plane Core- Control Plane SDN Controller A \f Core Operator A Core- Data Plane Core- Control Plane SDN Controller A \f Core Operator A Core- Data Plane Core- Control Plane SDN Controller A R1 R4 R2 R3-C R3-D R5-D R5-C 12 omniRAN ecsg

SDN-Based Network Reference Model Functional Requirements  R1: Access link, technology specific  R2: User& Terminal authentication, subscription & terminal management  R3-C: Authorization, service management, mobility support, accounting, location  R3-D: user data connection  R4: Inter-access network coordination and cooperation, fast inter- technology handover  The interface between different access networks  The interface between the controller to the access networks  R5-C: Inter-operator roaming control interface for controller interworking, meanwhile between the controller and the data plane.  R5-D: Inter-operator roaming control interface for data plane interworking 13 omniRAN ecsg