N3 interface 5g • This only gives limited benefits and is being done today for 4G/LTE deployments Integrated Approach: • a new control plane function, Transport Network Function (TNF) in the 5G CP • This has the view of the underlying transport network (on N3 and N9 interfaces) with all links and nodes as N1 interface in 5G connects User Equipment (UE) with the Access and Mobility Management Function (AMF) for user registration and session management, while the N2 interface connects different AMFs to facilitate handover management, load balancing, and resource allocation within the core network, ensuring seamless. 0 for the N7 interface. The 5G-NR radio interface is the interface between the UE mobile (User Equipment) and the 5GC mobile network (5G Core). A key Network Function (NF) of SBA is the Network Repository Function (NRF), which provides NF service registration and discovery, enabling NFs to identify appropriate services in one another. , N2 interface for control signaling and N3 interface for user data transfer, 5G standard defines di erent inter-working enti-ties (between RAN and 5GC) for di erent RATs [1]. 501-Figure 5. 20, 2021, titled “5G N3 DATA PLANE ENRICHMENT USING N11 INTERFACE IN A MONITORING SYSTEM,” the entire contents of which are incorporated herein by reference for N3IWF interface with the 5G Core Network CP (Control Plane) and UP (User Plane) functions via the N2 and N3 interfaces, respectively. The 5G core network architecture is built around key functional elements and interfaces. 0 Feature Description The Fraunhofer FOKUS Open5GCore toolkit is the first global practical implementation of the 3GPP 5G core network, Integration with standard 5G NR using the 5G interfaces (N1, N2, N3), 5G NAS and NG-AP; Implementing In 5G (fifth generation) mobile networks, the AMF, or Access and Mobility Management Function, is a critical component of the 5G Core (5GC) Through the N3 interface, the AMF interacts with the UPF for the transfer of user Supported Interfaces. The connection between the UPF and the Session Management Function (SMF) uses the N4 interface. Connecting to the 5G core, there is the NG-C (N2) interface between the CU-CP and the AMF (Access It has a 5G_N3 interface for wired connectivity to UPF through > L2_Switch, It has a 5G_N1_N2 interface for wired connectivity to AMF > through L2_Switch, and. NR-GNB is responsible for routing of For 5G, this is the N3 interface; For 4G, this is the S1-U interface. The connection between the 5G access and the UPF uses the N3 interface. Default Setting: 5G to EPS Handover with N26 Interface. In this case, the AGF terminates the legacy wireline access interface on one of its sides and implements the 5G core interfaces N1/ N2/N3 on its other side. These interfaces play a crucial role in ensuring interoperability and seamless communication within the 5G network. Their usages are below: N3: Interface between RAN and the UPF. ¶ For the trivial QoS previously over N3 tunnel through a local/internal link in co-location case, it is now completely eliminated with ANUP. The full impact of the 5G RAN As shown below, the communication between AMF and RAN is going through N1 interface. 1. Run the display interface cellular interface-number command, and check the value of the Modem State field in the command output. NG control plane is also known as N2. Looking further into GTP-U in Fig. N1, N2, and N3 Interfaces: These interfaces are associated with the control plane (N1 and N2) and user plane (N3) communications between the gNB and the AMF, SMF, and User Plane Function (UPF). How It Is All Connected. It facilitates the transfer of user plane data between the 5G Core Network and the UPF, ensuring efficient routing and delivery. ¶ In the 5G Core (5GC) network the N4 Interface is the bridge between the control plane and the user plane. 281 and 3GPP TS 38. 5G Mobile Core (5GC), represented as a collection of microservices, where 3GPP defines the interfaces connecting the Mobile Core CP and UP to the RAN (denoted N2 and N3, In the following private 5G network deployment scenario, only the User Plane Function (UPF) is located on-premises. This application is related to and claims priority under 35 U. Each I-UPF forwards packets with the same GTP-U sequence number, which is received from UPF to NG-RAN through N3 interface 1 and N3 interface 2, respectively. It is interconnected with the Data Network (DN) in the 5G architecture. As a primary network function (NF) of the 5G core network UPF has N3, N4, N6 and N9 four interfaces. Support of non-3GPP access ©3G4G Non-3GPP Access Untrusted Trusted Wireline 5G Core (5GC) 3GPP Access •Both the N3IWF and the TNGF interface with the 5G Core Network CP and UP functions via the N2 and N3 interfaces, respectively. It describes the radio access entities and functions of the 5G-SA core network and » N3: Interface between the RAN (gNB) and the (initial) UPF UDM is a centralized way to process network user data in 5G through Nudm interfaces to provide services for AMF, SMF, Band n3 is a FR1 5G NR Band. two IP addresses (one per ASE) for use as vNIC addresses on the AMFs. In 5G, the N3 interface serves as the transport interface for the user plane traffic between these two network domains. The general packet radio service tunnelling protocol (GTP) [24] tunnels are built between the 5G-AN and the UPF at N3, and there is no tunnel between the UPF and the PDN. N1 is a transparent interface from 5G-UE to AMF of core(via NG-RAN). It is based on GTP. Complexity also increases at 5GC, as However they need to develop different gateway that translate their existing access protocols to fit into 5G standard interfaces (N3, N9, N2). Bias-Free Language. , IEEE 802. It complies with the following 3GPP Technical Specifications, allowing you to integrate with a wide range of RAN models: TS 38. Similarly, for the N10 interface, the default version is 15. N2 and N3 in Figure 1 shows the reference points within the network according to the functional architecture. N2: Reference N3 Interface. If the value of the Modem State field is Not present, the 5G modem is not properly installed. In N1 mode, 5G-IPHC-CP CIoT=0, N3 data=0, 5G-CP CIoT=0, RestrictEC=0, LPP=0, HO attach=1, S1 mode=1) UE Interface Names in Reference Point Architecture. Even though 5GC exposes a common interface towards RAN irrespective of the Radio Access Technology (RAT) being used, i. The major difference with 5G Core (5GC) compared to EPC is that 5GC’s control plane (CP) functions interact in a Service-Based Architecture (SBA). Provisional Patent Application No. 01: UPF supports dual stack to handle IPv4 and IPv6 connections on N3 and S1-U interfaces. The GTP tunnel endpoints are used to map traffic on N3 for a particular PDU session. The UPF is one of the central elements of a 3GPP 5G core system architecture. (more or less) and support the same N1, N2, N3, N4 and N6 interfaces. Here are some key interfaces in a 5G network: 1. For the scenario of 5G-RG connected via NG RAN the specification for UE defined in this TS, TS 23. 1, two GTP-U tunnels are created across the N3 Interface between the gNodeB in the radio access network (RAN) and the user plane function (UPF) which resides in the core network for each packet data unit Supports 5G roaming: Tested with new open5gs/open5gs#2194 Roaming feature; Implements high-performant N3 (GTP-U) interface Generic tunnel supporting all kind of traffic (TCP, UDP, Video) We tested iperf3 traffic, and Youtube traffic The default version number depends on the SMF interface. NG-RAN eliminates duplicate packets based on the GTP-U sequence The 5G Session Management Function via the N4 interface. The GTP-U protocol has been enhanced for the 5G system to transport UP traffic over the backhaul (i. The identification information is provisioned between the 5G provider and IP transport network and corresponding information should be carried in each IP packet on the F1-U, N3, N9 interface. ØEach QoS flow on N3 is mapped to a single GTP-U tunnel. 503 PDF | Fifth-generation (5G) networks enable a variety of use cases, e. The N4 interface is between a control plane function (SMF) and a user plane function The UPF supports different GTP-U ingress interfaces to allow a separate network for N3 interface and N9, S5u, and S8u interfaces. The N9, S5u, In the 5G world, the N3 interface terminates on the UPF and starts from GNB. operator or Internet) NRF Nnrf ›Network Functions within the 5GC Control Plane (CP) use Service-Based Interfaces (SBI) for their interactions: ›A CP NF can provide one or The GPRS tunneling protocol for the user plane (GTP-U) supports multiplexing of the traffic from different PDU sessions by tunneling user data over the N3 interface (between a 5G access node and the UPF) in the core network. 0 (2021-01) 4. § 119(e) the U. 5G-NextGen Core (5GC) refers to the new 5G core network architecture developed by 3GPP. This study provides an in-depth analysis of UPF vulnerabilities within enterprise 5G networks, examining the security risks posed by these threats. In contrast, for 5G New Radio (NR) based access, N2/N3 protocol stack is incorporated within gNB, a new node providing NR data and control planes proto-col terminations towards the UE. e SMF via AMF to 5G-RAN or preconfigured in 5G-RAN. The firewall correlates the Single Network Slice Selection Assistance Information (S-NSSAI) with the IP traffic inside the GTP-U tunnels in a 5G network. The user plane is responsible for the actual transfer N2-N3 Interaction: While N2 and N3 are distinct interfaces with specific functions, they work in coordination to ensure seamless communication within the 5G network. The protocol employed on the N3 and N9 interfaces could be the GPRS Tunnelling Protocol (GTP) with header extensions for 5G, segment routing (SRv6 or The N3 interface in 5G is a crucial component of the 5G network architecture, specifically within the user plane. n Secures 5G’s N2 and N3 interfaces n set of LTE, LTE-A and 5G NR Secures DU to CU F1 interface n GTP-U encapsulated traffic deep inspection provides L2 to L7 known and unknown threat protection n SCTP firewall for security inspection and The 3rd Generation Partnership Project (3GPP) is a collaborative effort among telecommunications standards organizations to define the specifications for the third generation (3G) and beyond mobile communication technologies. Each QoS flow has a unique identifier called QoS Flow Identifier (QFI). , 5G networks utilize a set of interfaces that enable communication and data exchange between various components, ensuring the efficient functioning of the network. N4 Interface Compliance with 3GPP Specification N2/N3 protocol stack. It plays a central role in managing access to the network, Through the N3 interface, We would like to show you a description here but the site won’t allow us. Here are some Key interfaces in a 5g network: N1 Interface (Radio Interface): The N1 Interface, also Known As. To enforce security policy for ApplicableProduct(s)orFunctionalArea 5G-UPF ApplicablePlatform(s) VPC-SI FeatureDefaultSetting Enabled–Always-on RelatedChangesinthisRelease NotApplicable RelatedDocumentation NotApplicable Revision History RevisionDetails Release Firstintroduced. 11 (Wi-Fi . 0. 413 for the N2 interface. In this case, remove and then insert the 5G card, restart the 5G card, or restart the AR router. N3: Interface between the RAN (gNB) and the (initial) UPF; compliant with 3GPP TS 29. It follows Frequency Division Duplexing (FDD) mode and the separate uplink and downlink bands allow for simultaneous transmission on two frequencies. 4 N4 Interface: The N4 interface connects UPFs in different locations within the 5GC. eUPF as a part of 5G mobile core network implements data network gateway function. 5. These interfaces play a crucial role in facilitating the transmission of control signaling, user data, and management information. The W-AGF connect to the 5GC Control Plane via N2 interface and to the 5GC User Plan via the The N3 interface becomes very simple - over a direct or short transport connection between gNB and dUPF. NGAP Packet Structure. Call Flow Session Establishment & UPF Initialisation. 5G-IPHC-CP CIoT=0, N3 data=0, The W-AGF interfaces the 5G Core Network CP and UP functions via N2 and N3 interfaces, respectively. Note : A DRB may transport one or more QoS flows. 04 - Configuration and Administration Guide. 32. The N3 interface plays a crucial role in providing user plane connectivity between the Radio Access Network (RAN) and Ultra Cloud Core 5G User Plane Function, Release 2020. This page describes 5G network reference point architecture. ØgNBmay map individual QoS flows to one more DRBs. N3 Transfer of PDU Session Information; The PFCP Session Report Request is sent over the Sxab This means that 5G services will be available over 5G New Radio air interface and also through other non-Third Generation Partnership Project (3GPP) access networks, e. As such, it is the conduit for PDU session management and traffic steering Download scientific diagram | N3 protocol stack between gNB and UPF [18] PDU Sessions*: including broadcast and multicast sessions over SYNC from publication: 5G-Xcast: RAN Logical 5. 281 for the N3 interface. • O-RAN ALLIANCE Interface Open Fronthaul (DU to RU). 1. For 5G, this interface is the N3 interface; for 4G, it's the S1-U interface; for combined 4G and 5G, it's the N3/S1-U interface. Thus, PDU session may contain multiple QoS flows and several DRBs but only a single N3 GTP-U tunnel. The N3 is the data plane interface between the access network and the User Plane Function (UPF) in the 5G Core. N3: Interface between the RAN (gNB) and the (initial) UPF; For 5G standalone (5G SA) architectures, a null-encrypted tunnel is utilized between the device and the TNGF/TWIF—more details on this can be found in the Wi-Fi and 5G convergence The NG-U (Next-Generation User Plane) User Plane Interface is a crucial component in the 5G network architecture that facilitates communication between the Radio Access Network (RAN) and the Core Network. During PDU session establishment, SMF connects with UPF through is used in 5G as the remaining interfaces in 5G have evolved to become service-based HTTP/2 interfaces. The N1, N2, and N3 interfaces are generic between any type of access and the 5GC network. The N3IWF acts as a gateway This diagram illustrates MEC in a 5G network where the User Plane Function (UPF) is at the edge or MEC location and the 5G core functions are cloud-based or at the central site of the service provider. It facilitates interworking between 4G's EPC and 5G's NG core, especially The N3IWF provides the access and authentication protocols from the non-3GPP Wi-Fi network to seamlessly interface with the 5G Core Network by enabling the N2 and N3 interfaces. The general packet radio service tunnelling protocol (GTP) tunnels are 5G services demand a new system architecture and core network. 63/223,806, filed Jul. In the first blog of this 5G Core series, we looked at the concept of cloud-native design, its applications in the 5G network, the benefits and how Dell and Red Hat are Instances of this IOC serves to instantiate 3GPP interfaces (e. The following shows a UL GTP-U packet from UE to DN captured over the N3 Interface between UCC 5G UPF Configuration and Administration Guide, Release 2023. The GTP-U ingress interfaces to handle roaming and outbound calls include: N3—N3 is the interface between gNodeB and UPF. For Wi-Fi, they The UPF connects to the 5G-AN through the N3 interface and the PDN through the N6 interface. . < 23. 101. 0 Release 16 1 ETSI TS 133 513 V16. It has a 5G_XN interface for The 5G-NR radio interface was introduced in Release 15 of the 3GPP standards. Using the N3IWF (non-3GPP Inter-Working Function), which is a 5G-AN through the N3 interface and the PDN through the N6 interface. RAN interface to 5G standalone (SA) core. The N3 transfer of PDU session information involves the inclusion of QoS Field Identifier (QFI) IE in the GTP-U extension header while performing GTP-U encapsulation toward gNodeB on the N3 With 5GC, 4G, 3G and Non-5G-RAN (radio access networks other than 5G) such as public Wi-Fi will be able to connect to 5GC via a common interface. To handle 5G home calls, the N3 interface must be a private IP address. 1/24 and DE’s 192. 5G (Fifth Generation) technology is the latest standard for cellular networks, designed to provide faster data speeds, lower latency, increased device connectivity, and improved overall network performance compared to its predecessors. The N9, S5u, and S8u interfaces share the same public IP. g, Wireshark capture) over the interface, you would get the packet structure as below. Conceptual diagram for 5G-Flow RAN architecture and its comparison with the Dual Stack Support on S1-U and N3 Interfaces. 3GPP Interface NG (N2/N3) and NAS (N1). 513 version 16. 3GPP architecture for 5G NR. Request), a new identifier called 5G–S–TMSI is introduced as a shortened form of 5G–GUTI to be used over the air interface. The UPF is the packet gateway transporting data to the internet. This site is for everything on 5G/NR. User Plane Data Interface Name: Enter the virtual network name on port 6 on your Azure Stack The N26 interface is an inter-Core Network interface between the 4G LTE's MME and the 5G core's 5GS AMF. SectionIV:Security Analysis of Critical 5G Interfaces N6 Interface N32 Interface N9 Interface SBI Interface N4 Interface N3 Interface N2 Interface F1 Interface Xn Interface N1 Interface SectionIII:Related Work on 5G Security connection interfaces, N3, N4, N9, and N6, to connect to NAS and NGAP are essential protocols for communication between 5G Core (5GC), 5G NG Radio Access Network (NG-RAN) and UE, as shown in Fig. 4-1: Interfaces in 5G: Interfaces in 5G define how different components of the network interact with each other. N1 is a transparent interface between the user equipment (UE) and the 5G core. This interface establishes an end-to-end i. The 2023 5G Challenge evaluated the following interfaces: 3GPP interface NG (N2/N3) and NAS (N1). It carries the user data. A non-3GPP access network can advertise the Public Land Mobile Networks (PLMNs) or Selected The N3 interface’s GTP-U protocol vulnerabilities make UPF susceptible to cyberattacks, including Distributed Denial of Service (DDoS) and packet reflection attacks. It covers functions and locations of these 5G NR interfaces used between 5G RAN and 5GC. N1: Interface between RAN-CU and RAN-DU for control plane functions. N9: The N9 interface connects two UPFs. The 5G N3 interface performs the role of conveying user data from the RAN to the User Plane Function, making it possible to create both low- and high-latency services. To handle Within 3GPP standards, there is a clear functional separation between RAN and 5G core specified as the N1, N2 and N3 reference points. CROSS-REFERENCE OF RELATED APPLICATION. For IP transport edge nodes to inspect the transport context information efficiently, it should be carried in an IP header field that is easy to inspect. This means that 5G services will be available over 5G New Radio air interface and also through other non-Third Generation Partnership Project (3GPP) access networks, e. , over N9 and N3 interfaces). Data forwarding: The N3 interface is used to forward data packets between the UPF and the RAN. N1 uses N2 to transport its traffic within the network. 5G-S management independent of 5G RAN and 5GC. Reference 3GPP release 15 5G Standalone Architecture and UE interfaces. 5G NR Band n3 has a frequency range from 1710 - 1785 MHz (Uplink) / 1805 - 1880 MHz (Downlink) with a And today, there is no 3GPP-standardized procedure to correlate this measurement information collected by different virtual gNB functions. , N2 interface for control signaling and N3 interface for user data transfer, 5G standard defines different inter-working entities (between RAN and 5GC) for different RATs [1]. N1 is a transparent interface between the user equipment Similarly, UE specific data sessions are uniquely identified via GTP Tunnel End-point Indicator (TEID) on N3 interface. With this new change, except for a few 5G UPF – Prime Enabler of New 5G Applications & Customer-Specific Edge Services. , Ultra-Reliable and Low-Latency Communications, enhanced Mobile Broadband, and N2 and N3 interfaces. The UPF supports different GTP-U ingress interfaces to allow a separate network for N3 interface and N9, S5u, and S8u interfaces. Here's a detailed explanation: 1. Evolver offers full N1 and N2 interface support, allowing individual, customised testing – at scale – N3 Data Plane Interface. This includes data packets that are sent and received by the UE, as well as control packets that are used to manage the The GPRS tunneling protocol for the user plane (GTP-U) supports multiplexing of the traffic from different PDU sessions by tunneling user data over the N3 interface (between a 5G access node and the UPF) in the core network. The firewall correlates user plane traffic in N3 with subscriber specific identifiers (user ID, Testing 3GPP N1 and N2 interfaces is an essential task, as they enable the connection from the UE to the network and AMF. It allows a separate network for the N3 interface and N9, S5u, and S8u interfaces. The 5G Core is located remotely in a central core site or public cloud. Y2 N3 N6 NWu PCF UE 5G NR RAN N1 N2 GTPU Tunnel for UP Session Establishment Data Data The N2 interface between 5G-AN and AMF has an SCTP/IP transport connection over which the NG-AP protocol runs. , The 5G architecture is designed to accommodate the increasing demand for higher data rates, lower latency, and improved connectivity for a wide range of devices and applications. 3GPP has been instrumental in the development of the 5G standard. 03. 01 - Configuration and Administration Guide. For combined 4G and 5G, this is the N3/S1-U interface. The functions of 5G network interfaces, including N1, N2, N3, N4, N6, N9, and Xn are integral to the success of 5G technology. Trusted and Untrusted Non-3GPP Access: General Concepts #2 The 5G system reference Point interface us a set if Point to point interfaces which inter connect those Network Elements. N9—The N9 interface connects two UPFs. NG-RAN (Next-Generation Radio Access Network) Interfaces: * N1: Interface between UE (User Equipment) and gNB (gNodeB) * N2: Interface between gNBs * N3: Interface between gNB In 5g GTP tunnel is used in N3 and N9 interface. S. Once NAS and NGAP enable the communication of UE to the Azure Private 5G Core exposes an N2 and N3 interface for the 5G control plane and user plane respectively. The 5G System Architecture contains the following reference points: N1: Reference point between the UE and the AMF. Here's a technical overview of key interfaces and protocols in the 5G It allows a separate network for the N3 interface and N9, S5u, and S8u interfaces. This section describes the interfaces supported between the UPF and other network functions in 5GC. To handle The interface between the 5G RAN and 5G Core is called N1. 3 N3 Interface: The N3 interface connects the SMF and the UPF. It communicates with SMF via PFCP protocol (N4 interface) and forwards packets between core and data networks(N3 and N6 interfaces Reference 3GPP release 15 5G Standalone Architecture and UE interfaces. N3: Interface between the RAN (gNB) and the (initial) UPF; These duplicate data packets pass through N9 interface 1 and N9 interface 2 respectively Transfer to I-UPF1 and I-UPF2. At the N3 interface, the firewall decapsulates the GTP-U tunnels, which carry the user traffic. Following is SCTP initial setup process For 5G, this interface is the N3 interface; for 4G, it's the S1-U interface; for combined 4G and 5G, it's the N3/S1-U interface. g. Every QoS flow is characterized by QoS profile provided by 5GC, i. Ultra Cloud Core 5G User Plane Function, Release 2021. 5G/NR - QoS need to configure all the elements from wireless physical resources through all the physical resources on core network interfaces The most outstanding change in the 5G Core Control plane is induction of Service based Interface (SBI) or Service based Architecture (SBA) from traditional Point-to-Point network architecture. Emblasoft’s support of N4, (together with N3 and N6 data plane Overview. The GPRS tunneling protocol for the user plane (GTP-U) supports multiplexing of the traffic from different PDU sessions by tunneling user data over the N3 interface (between a 5G access node and the UPF) in the core network. N6 The 5G system is designed with a service-oriented architecture and consists of various functional entities that communicate with each other through standardized interfaces. It facilitates the transfer of user data between the 5G Radio The N3 User plane interface is an important communication interface between the Radio Access Network (RAN) and the Core Network in 5G. Learn about the N3 interface, which provides user plane connectivity between the 5G RAN and the 5GC, and other key 5G interfaces such as N1, N2, N4, S1/NG, X2/Xn, S1, F1 and E1. , N3) which are needed to support Network Slicing and to define Network Slice transport resources within the 5G NRM. For instance, a network entity called Non-3GPP Inter-Working The GPRS tunneling protocol for the user plane (GTP-U) supports multiplexing of the traffic from different PDU sessions by tunneling user data over the N3 interface (between a 5G access node and the UPF) in the core network. 10/24 are therefore the Overlay IP addresses as far as N3 Interface is concerned. The connection N3 N6 N4 5G RAN UPF AUSF SMF N1 AMF 5G CORE architecture Functional view –service-based representation UDM PCF NEF AF Nausf Namf Nudm Npcf Nsmf Naf Data Network (e. When Communication Service Providers (CSP) deploy Long Term Evolution (LTE) or 5G network functions on AWS, they are presented with different options for user plane data network breakout through the SGi (for Exceptions may be present in the documentation due to language that is hardcoded in the user interfaces of the product software, Ultra Cloud Core 5G User Plane Function, Release 2022. 02 - Configuration and Administration Guide . The bands have a separation between them called the duplex spacing. This 5G network architecture mentions various reference points or interfaces (NG1, NG2, NG3, NG4, NG5, NG6, NG7, NG8, NG9, NG10, NG11, NG12, NG13, NG14, NG15) Palo Alto Networks ML-Powered NGFW for 5G can be deployed at the N3 interface where it has full visibility of the user plane traffic. N3: Interface between the RAN (gNB) and the (initial) UPF; 5G (Fifth Generation) networks employ a variety of interfaces and protocols to enable communication between different elements within the network. ¶ The transport infrastructure off N3/N9 and N6 are straightforward, most likely over the same underlay VPN (MPLS, SR-MPLS or SRv6) supporting the traditional N3/N9 tunneling as in centralized PSA UPF case. In a nutshell, the EP_Transport IOC permits to define additional logical interfaces for each slice instance of the 3GPP user plane. Here are some of the main interfaces in the 5G core network: 1. N3 Interface (gNB - AMF): Deals with the control plane communication between the gNB and the AMF. Chapter 1 presents the 5G-NSA and the 5G-SA deployment architecture. One IP address for port 5 on the Azure Stack Edge Pro GPU device. N1 interface is used by UE for transmitting non The User Plane Function (UPF) plays a crucial role in data transfer within the 5G network. N1 Interface Supported Interfaces. Here are some key interfaces used in 5G: N1 Interface (Radio Interface): The N1 5G Quality of Service (QoS) model is based on QoS Flows. 5. Therefore, the UPF adds the GTP tunnel header when the packet is transmitted from the UPF to the UE. UE and N3IWF establish an IPSec tunnel, N3IWF connects to the User Plane and Control Plane of 5GC through N3IWF supports both N2 (control plane) and N3 (user plane) interfaces to 5GCN, and secure connections with support for internet protocol security (IPsec) via encrypted tunnels (NWu), between untrusted UE and the 5GCN. For Cellular networks, the N2 and N3 interfaces connect the base station (gNB) with the AMF and UPF. N3 interface in 5G is a user plane interface defined in the 3rd Generation Partnership Project (3GPP) specifications. The GTP-U tunnels carry the user plane traffic on the N3 interface. Importantly, traffic through the interface can be identified by user IP, making user and service differentiation a reality. We report the well-known service based view of a 5G network as extracted by . GPRS Tunneling Protocol (GTP) is a network protocol used broadly across mobility networks e. The following topology illustrates a deployment option in a 5G network. <Huawei> display interface Cellular 2/0/0 Cellular2/0/0 The CU-CP and CU-UP are each connected to the DU via the F1-C and F1-U interfaces. The technical details of 5G interfaces within the 3GPP This means that 5G services will be available over 5G New Radio air interface and also through other non-Third Generation Partnership Project (3GPP) access networks, e. It plays a crucial role in functions such as handovers between gNBs. The N2 interface Technical details of the N3 User Plane interface in 5G. 2020. Book Title. ETSI 3GPP TS 33. Here are some essential interfaces: N1, N2, N3, N4, N6: These are interface names in the 5G RAN-CU (Centralized Unit) and RAN-DU (Distributed Unit) split architecture. This replaces the S1 interface used in 4G networks. Xn Interface: The Xn interface connects two gNBs, enabling inter-gNB communication. It is used for inter-UPF communication, enabling functions such The 5G core network is designed to provide enhanced capabilities compared to its predecessors, supporting a wide range of services and applications. The point-to-point architecture is shown below. NG user plane is also known as N3. 2024. N1: N3: Reference point between the (R)AN and the UPF. 0 Release 16) TECHNICAL SPECIFICATION . In addition to supporting the FN-RG, the AGF enables the 5G core to serve residential gateways that are modified to The 5G core functions are cloud-based or in the central site of the service provider. Chapter Title. N4: Reference point between the SMF and the UPF. 3 Replay protection of user data transported over N3 interface The Access and Mobility Management Function (AMF) is a crucial component in the 5G (fifth generation) mobile network architecture. GTP tunnels are used between two entities communicating over an IP-based interface to separate and encapsulate traffic into communication flows. Learn how Emblasoft can emulate real-world user data and traffic, It includes Xn interface, NG interface, E1 interface, F1 interface and F2 interface used in 5G NR (New Radio) network architecture. Here are some of the key 5G Core (5GC) interfaces, explained Procedure. RAN interface to 5G core. ¶ 5G; 5G Security Assurance Specification (SCAS); User Plane Function (UPF) (3GPP TS 33. 5G to The 5G standard has defined several interfaces to facilitate communication between different network elements. 502 and TS 23. These protocols are used for several network procedures such as registration to the network, handover, and the User Plane (UP) configuration [3]. The technical aspects of 5G interfaces involve several key components and interfaces. Figure 1: Non roaming service RAN uses N2 (control plane) and N3 (user plane) to interface to the core and transparent N1 interface to the user devices. Figure 1: Non roaming service Implementation of 5G core network: AMF, SMF, AUSF, UDM, NRF, UPF; Integration with the 5G NR using the 5G interfaces [N1, N2, N3], 5G NAS and NG-AP; Implementing control-user plane split with PFCP [N4] SBA Control The UPF supports different GTP-U ingress interfaces to allow a separate network for N3 interface and N9, S5u, and S8u interfaces. The IP address for the control plane interface on the access network. 2. It is a primary network function (NF) of the 5G core The UE’s 10. It is part of the Next-Generation Emblasoft offers a flexible and reliable solution for testing the 5G N3 interface, which connects the RAN to the User Plane Function for low-latency services. For in-stance, a network entity called Non-3GPP Inter-Working Func-tion (N3IWF) has been introduced for untrusted non-3GPP ac- N3 (Air Interface) N1 HPLMN HPLMN Home PLMN. Understand their f Key interfaces such as N1, N2, N3, N4, N6, N9 and Xn serve distinct functions within the 5G architecture, enabling everything from signaling and session control to data transport and inter N3: Interface between the RAN (gNB) and the (initial) UPF. The SGi interface is defined by the 3GPP as the interface between the Evolved Packet Core (EPC) and the Public IP network. The supported GTP-U ingress interfaces include: N3: N3 is the interface between gNodeB and UPF. acts as a PDU session anchor and an intermediate UPF terminating N3 reference point. N4 interface testing to verify UPF performance and interaction with the SMF. e. , 4G LTE and 5G. 10. It replaces the S1-U interface from the 4G This paper discusses the interworking of untrusted non-3GPP networks and the 5G Core Network (5GCN) using the non-3GPP Interworking Function (N3IWF). I wrote a separate notes for N1 interface / N1 mode itself. These interfaces ensure seamless communication between devices, the RAN, and the 5G core, driving the network's ability to deliver high speed data, ETSI - Welcome to the World of Standards! Even though 5GC exposes a common interface towards RAN irrespective of the Radio Access Technology (RAT) being used, i. Picture Source : linkedin provides an N3 interface toward the 5G network. Feature Description. There are two types of flows: Guaranteed Bit The importance of the SGi (3G/LTE) and N6 (5G) interfaces. Includes Control, User and The QFI is carried in the encapsulation header on the N3 interface. 281 N3IWF (Non-3GPP InterWorking Function) is responsible for connecting untrusted non-3GPP access network to 5GC. TS 29. RAT-specific inter-working entities and associated interfaces result in a complex RAN architecture. ASE N3 interface (for 5G), ASE S1-U interface (for 4G), or ASE S1-U/N3 interface (for combined 4G and 5G). ¶ The QoS over N3 tunnel through a transport network is realized through QoS mechanisms in the transport network. Not only for the standard interfacing, each of the technology the protocol is converted to 5G standard interface protocl N3 and eventually reaches 5G data plane UPF. If you take packet capture (e. HA control plane: gateway router IP address. For example, the default version is 15. 02. version uri: Specifies the API version URI for each service in the following format: "v" concatenated with a number The QoS over the air interface is the same for both AN and ANUP cases. 415 (December-2018). GL’s Message Automation & Protocol Simulation (MAPS™) is designed for testing 5G–N1N2 interfaces , offering emulation capabilities for gNodeB (gNB) and Access and N3 and the DRBs on the air interface. N3 Interface (User Plane Interface): The N3 Interface is the User Plane Interface Between the GNB and the UPF (User Plane Function) in the 5g Core Network. yypzguv tdzvnfw pwdr gexn pedw qdjk zahwuhg uzdwqes xnwunxd xkewsfa