N2 Interface

5G load tester N2 interface NAS over NGAP test solution
Conformance
Testing
5G
N2 Interface

5G load tester N2 interface NAS over NGAP test solution

Overview

N2 interface is between the gNodeb and the AMF (Accessibility & Mobility Management Function). The N2 interface test solution from Valid8 enables conformance or load testing of this interface.

What It Can Do For You

Tests the N2 interface.

Why It’s Different

  • Scalable software-based architecture can run on a range of hardware from COTS and high-end customer provided hardware to Virtual Machines and the Cloud (e.g. Amazon AWS) for maximum versatility and performance
  • Web-based UI is easy to learn
  • HTTP API enable integration with automation test systems and other equipment
  • Stateful modeling provides accurate emulation of network elements

Features

  • Emulates some or all of core network, exposing all internal interfaces
  • Can run alongside 4G and 3G core network emulators
  • Conformance tests available for each interface
  • Emulators available per subsystem 
  • OTA connection available for UEs and IoT devices
  • True stateful simulation
  • Signaling request/response messages for call handling, mobility management, authentication, QoS
  • Report on media received, call connect time, call duration, jitter, packet loss
  • Generate valid and invalid/negative messages and call-scenarios (fully editable scenarios)
  • Supports sending invalid messages including malformed, dropped, and misordered packets
  • Check parameters in messages from SUT and flag errors
  • 3GPP-compliant interfaces

Subsystems

  • Base station (femto or emulated)
  • AMF
  • SMF
  • PCF
  • AUSF
  • UDM
  • UDR
  • N3IWF
  • EIR
  • MME
  • SGW
  • PGW
  • OCS
  • HSS
  • PCRF
  • ePDG
KPIs
  • Requests/Responses, attempts, successes and failures
  • Request/Report time
  • TPS
  • Error counters
Configurable Parameters
  • ‍Call session length
  • Concurrent calls/endpoints
  • BHCA/CPS

Automation API

User commands can be fully automated using REST API. This includes performing all test control functions as well as collecting results and metrics. It can be integrated into virtually any CI system via the HTTP API, including Jenkins, CircleCI, Gitlab and others.

Scripting

The application’s subsystems can be edited directly in the browser using TDL or by using the graphical tools. The Message Workshop allows for creating of test scenarios directly from the hex stream of a remote capture, while the Graphical Editor (on the feature roadmap for 2019) will allow for creating customized call scenarios by dragging and dropping the call flow to meet your test needs.

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Use Cases

AMF Under Test

For testing the AMF, the 5G Network Emulator can wrap around the node using the N1, N2, N8, N11, N12 & N22 interfaces. Traffic can be originated from real or emulated UE and IoT devices

Supported Scenarios:

• General Registration

• Registration with AMFre-allocation

• UE-initiated Deregistration

• Network-initiated Deregistration

• UE Triggered Service Request

• Network Triggered Service Request

• UE Configuration Update procedure for access and mobility management related parameters    

• UE Configuration Update procedure for transparent UE Policy delivery

• UE Reachability Notification Request procedure

• UE Activity Notification procedure    

• AN Release

UE Under Test

For testing UE or IoT devices, the 5G, 4G or 3G Network Emulators can provide the entire core network as well as an emulated or real base station depending on your test needs.

Supported Scenarios:
  • ‍Power on
  • Attach
  • Detach
  • TAU
  • Data Connection
  • VoLTE Call
  • ‍End to end VoLTE test capability
  • Includes real femto, pico, or microcell eNodeB
  • Emulates all core network nodes and allows for data connection to external networks
N2 Interface
N2 Interface

Summary of Specifications

Specifications

  • 3GPP TS 23.501 (NAS)
  • 3GPP TS 23.502 (NGAP)
  • IETF RFC 4960 (SCTP)

Product Details

N1 Interface

All Solutions

Valid8 exports its products strictly in accordance with all US Export Control laws and regulations which shall apply to any purchase or order. Specifications are subject to change without notice.

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Ordering Information

Product Name: 5G Load Tester 

Product Code: 5g-load-tester

Datasheet Page

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