Mobile core validation with realism - EMPOS · PDF fileIuPS 4G 3G System under Test UTRAN HLR SGSN ... Network Nodes IP Service Emulation Layer 0-3 TMA ... UE Triggered Service Request

The most important thing we build is trust

ADVANCED ELECTRONIC SOLUTIONS AVIATION SERVICES COMMUNICATIONS AND CONNECTIVITY MISSION SYSTEMS

Mobile core validation with realism

Emulating and performance measurements for 5G/LTE/3G/2G networks

www.cobham.com/wireless

Usability – Template Based HTML5 UI *

– Expert and SSS mode

– OpenStack deployable *

Superior Price Performance – 100s of gigabits of application traffic over millions of bearers *

– Packages for device, functional and load testing

– Subscription pricing available

Elastic Test Bed – License Sharing across geo-locations(Based on minimum commitment) *

– Fully Virtual for EPC testing

– Run anywhere: lab, datacentre, cloud *

Competitive Advantages – scale with realism

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TeraVM vRAN


Broadest interface coverage – Superior coverage of RAN interfaces (2G/3G & 4G Interfaces from a single chassis) *

– 5G ready with UE enabled secure tunnel endpoints (IoT scale) *

– Most Stable CORE Simulation *

Expert Support – Interface Customization

– Remote Access to Unit for configuration and troubleshooting *

– Global technical expertise

Competitive Advantages – scale with realism

18 February 2016 2

TeraVM vRAN


Cost efficient validation for 4G/3G/2G

18 February 2016 3

Competitor ($$$)

(High BW, low UE count)

TeraVM($)

Scale S1-u traffic load

Scale emulated UEs

Highly scalable user and/or control plane traffic

Scale as you grow

Competitor ($$$)

(High UE count, low BW)


Functional and load testing – Complete control plane

– Complete user data plane

Stateful UE & application traffic emulation – UE: ATTACH/DETACH, Authentication

– Mobility: Handover (4G->3G), Circuit Switch fallback (3G)

• SRVCC acc. to 3GPP Rel. 8, eSRVCC (3GPP Rel. 10), rSRVCC (3GPP Rel. 11)

– Application Traffic: Per UE, real applications of VoLTE, Video and Data

Per bearer performance analysis – Per UE, per application performance analysis

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Validation with realism

Emulate real UE and subscriber network activity


Enabling a zero touch experience Template driven mobile test scenarios

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HTML5 UI framework – Deliver Unique views per test

case configuration

Template driven – Minimal user configuration

requirements, pre-populated parameters

Profile enabled – Create subscriber profiles for

application traffic scenarios

– Create mobility scenarios e.g. UE groups moving between cell towers


Comprehensive mobility use cases

6

Inter-LTE, I-RAT verification scenarios

UE-UTRAN UE-eUTRAN

MME

User App App Server

SGW

HSS

eUTRAN

UE Internet

User Applications

S1

IuPS

4G 3G

System under Test

UTRAN SGSN

GGSN/PGW

HLR

S1-u

SGi

SRVCC


Validation for NFV

7

Orchestrate in multiple cloud platforms

Control/Network

Nova

Horizon

Keystone

Glance

Neutron

Heat

Orc

he

str

ation

Compute

VN

F

System under Test

HSS MME

SGW PGW

S1-u

S1

SGi


TeraVM’s Elastic Test Bed

8

Proven scalability with greater utilization

Elastic Test bed

S1, S1-u SGi

Central management server enables: - Unique test pods and/or - Reservation for scaled traffic scenarios up to 1Tbps

1Tbps (S1-u)

System under Test (v)EPC

HSS MME

PGW

1. User checks all licences in

2. Reserve licenses

3. Starts a terabit test use case Management

Server


Emulate a city worth of subscribers

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Bearers * eNodeBs ** App Traffic (S1-u)

***

Scale of Mobile

Network

(City/State)

Representative

cost per sub ($)

Indicative Pricing

($)

TVM_EPC_100k 100k 75 5Gbps Chandler (AZ) 0.65 ~155k

TVM_EPC_200k 200k 150 10Gbps Sacramento (CA) 0.44 ~225k

TVM_EPC_4M 4 Million 400 20Gbps Michigan 0.03 ~310k

TVM_EPC_8M 8 Million 800 40Gbps Florida 0.02 ~410k

* Support for multiple bearers per UE (11) i.e. default & dedicated

** Supports IuCS interface and circuit switch fall-back i.e. 4G to 3G in virtual platforms

*** Support triple play applications including secure VoLTE and VoLTE IMS calls

**** Highly scalable RAN simulation i.e. a single TVM_EPC_8M instance requires (4x4CPUs with 4x4GB RAM)

1. Assumption is 2 bearers per subscriber, 20% active users (Pop=2.5*Bearers), Population data - https://www.census.gov/

2. Optional support package available for 3GPP compatibility i.e. network with mixed feature sets of Rel. 10 & Rel. 11

3. EPC SIM wrap around use cases are priced independently

TeraVM EPC load bundles


Base station wrap around

18 February 2016 10


RAN performance validation

11

Complete end-to-end solutions

SGW PGW / GGSN

Base Station

MME

HSS

PCRF

Base Station

RAN Core Network UE & Apps

Internet

IMS

SGSN

IP Services

HLR

LTE-A LTE

WCMDA GPRS GSM


Nodal emulation with realism

12

Complete solutions for end-to-end performance validation

UE MME/HSS User App SGW PGW/PCRF SGi/App Server

TM500 (Base Station Validation) – Layered verification: L1, L2/L3 -> Complete IP Stack (WCDMA & LTE)

– 3GPP compliance & interoperability

– Functional and Load performance verification

– Real application performance validation

TeraVM (Network Core Validation) – LTE network nodes and user application emulation

– eNB wrap around with emulated core

TM500 TeraVM


Agile Architecture Evolution (1Q2016)

13

Enabling cost efficiencies and savings

RAN Core Network

RF pool

Scale as you grow architecture built on standard hardware

Next Generation RF Front Ends

Re-use of

existing TM500

RF

CPRI

IP

Nodal

Systems under Test

EPC Simulation

Network Nodes Simulation

IP Service Emulation

Layer 0-3 TMA - UE TeraVM - EPC TeraVM

TeraVM – Application Traffic Emulation Layer 4-7 Flexible software licensing model

Improve utilization for global users

RAN Virtualisation / NFV - ready

OAM

e.g. software management, utilisation…


Supported 3GPP procedures & protocols

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Interface support

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Interfaces Protocol

MME

S1-MME S1-AP

S3/S11 GTPv2-C

S6a Diameter

SGs SGsAP

Sv GTPv2-C

Gn/Gp GTPv1

HSS S6a Diameter

S6d Diameter

SGW

S5/S8 GTPv1-U

S5/S8 GTPv2-C

S4/S11 GTPv2-C

S6a Diameter

PGW

S5/S8 GTPv2-C

S5/S8 GTPv1-U

Gx Diameter

SGi IP

PCRF Gx Diameter

Rx Diameter

RAN Interfaces

X2 GTPv2-C, GTPv1-U

S1 GTPv2-C, GTPv1-U

UMTS IuCS RANAP, IuUP

UMTS IuPS RANAP, GTPv1

TeraVM EPC


3GPP compliance and functionality support

18 February 2016 16

3GPP Release

Release 8: Full Compliance



Attach

Initial attach (EPS attach)

Initial attach (Combined EPS / IMSI Attach)

Initial attach (EPS emergency attach)

GUTI attach

Detach UE initiated detach

Network initiated detach

TAU

Without change of MME and SGW

With change of MME and without change of SGW

Without change of MME and with change of SGW

With change of MME and SGW

UE initiated TAU

Intra-LTE Handover

X2-based Handover with SGW relocation

X2-based Handover without SGW relocation

S1-based Handover (MME unchanged, SGW unchanged)

S1-based Handover (MME unchanged, SGW changed)

S1-based Handover (MME changed, SGW unchanged)

S1-based Handover (MME changed, SGW changed)

Inter-RAT Handover

Inter RAT PS Handover E-UTRAN to UTRAN (SGW unchanged)

Inter RAT PS Handover E-UTRAN to UTRAN (SGW changed)

Inter RAT PS Handover UTRAN to E-UTRAN (SGW unchanged)

Inter RAT PS Handover UTRAN to E-UTRAN (SGW changed)

CSFB

SRVCC

rSRVCC

TeraVM EPC


Support for up to 8,000,000 bearers

18 February 2016 17

Bearer Establishment

UE initiated dedicated bearer setup

Network initiated dedicated bearer setup

Maximum number of bearers supported per UE

Maximum number of PDNs supported per UE

Bearer Modification UE initiated bearer modification with bearer QoS Update

Network initiated bearer modification with bearer QoS Update

Bearer Deactivation

UE initiated bearer deactivation of default bearer

UE initiated bearer deactivation of default and dedicated bearer

Network initiated bearer deactivation of default bearer

Network initiated bearer deactivation of default and dedicated bearer

Authentication and Security

Authentication

NAS Security Mode procedure

RRC Security Mode procedure

Ciphering and Integrity Protection algorithm EEA0/EIA0 (NULL)

Ciphering and Integrity Protection algorithm EEA1/EIA1 (Snow3G)

Ciphering and Integrity Protection algorithm EEA2/EIA2 (AES)

Ciphering and Integrity Protection algorithm EEA3/EIA3 (ZUC)

Miscellaneous

Identity Check procedure

ESM Information procedure

UE Capability procedure

UE Triggered Service Request

Network initiated paging

TeraVM EPC


Support for up to 60,000 S1AP messages/sec

18 February 2016 18

S1AP E-RAB Management Procedures

E-RAB Setup

E-RAB Modify

E-RAB Release

S1AP Context Management Procedures

Initial Context Setup

UE Context Release Request - eNB initiated

UE Context Release (MME initiated)

UE Context Release (MME initiated) for “Load Balancing TAU Required”

UE Context Modification

S1AP Handover Signalling Procedures

Handover Preparation

Handover Resource Allocation

Handover Notification

Path Switch Request

Handover Cancellation

eNB Status Transfer

MME Status Transfer

S1AP Paging Procedure Paging

S1AP NAS Transport Procedures

Initial UE Message

Downlink NAS Transport

Uplink NAS Transport

NAS Non Delivery Indication

S1AP Management Procedures

Reset

Error Indication

S1 Setup

eNB Configuration Update

MME Configuration Update

Overload Start

Overload Stop

UE Capability Info Indication Procedure UE Capability Info Indication

S1AP Trace Procedures

Trace Start

Trace Failure Indication

Deactivate Trace

Cell Traffic Trace

S1AP Location Reporting Procedures

Location Reporting Control

Location Report Failure Indication

Location Report

Warning Message Transmission Procedures Write-Replace Warning

S1AP Miscellaneous Procedures

eNB Direct Information Transfer

MME Direct Information Transfer

eNB Configuration Transfer

MME Configuration Transfer

TeraVM EPC


IP protocol and application support

18 February 2016 19

IP stack

IPv4

IPv6

IPv4v6

User-plane applications

IMS

SMS over SGs

SMS over LTE

FTP

HTTP/HTTPS

POP3, SMTP, IMAP

RTSP

OTT

VoIP

VoLTE (Voice)

ViLTE (Video)

TeraFlow (TCP/UDP)

UDP Pcap Replay

TCP Pcap Replay

TeraVM EPC


Sample Use Cases

18 February 2016 20


Packet Core – Support for performance testing across multiple interfaces (S1/S1-U, S5/S8, S6a, S11, SGi,

Gx/Rx)

MVNO – Isolate LTE network node(s) for wrap around testing e.g. PCRF, PCEF, MME, etc

Mobile network probe vendor – A complete LTE architecture, end-to-end network traffic

– Exposure for key interfaces (S1/S1-U, S5/S8, S6a, S11, SGi, Gx/Rx)

Gateway Vendor – Performance validation for scaled traffic scenarios

Performance Validation use cases

18 February 2016 21

TeraVM EPC


TeraVM overview

22

Modular architecture

UE/eNodeB MME/HSS PGW/PCRF User App App Server

SGW PGW eNodeB

UE

User Applications MME HSS

SGW

Internet

S1

S1-u

S11

SGi S5

S6-a

Gx

PCRF

IMS

Rx


LTE monitoring solution verification

23

Repeatable & reliable per UE, per application emulation

SGW PGW eNodeB

UE

User Applications MME HSS

Internet

S1

S1-u

S11

SGi S5

S6-a

Gx

PCRF

IMS

Rx

S1-u

S11 Mobile Network Probe

System under Test

S1

S5

Gx

S6-a

SGi

Rx


EPC performance validation

24

RAN emulation

UE/eNodeB User App App Server

eNodeB

UE Internet

User Applications

EPC SUT

S1/S1-u

SGi

PGW

PCRF

System under Test

SGW

MME HSS


IMS/OTT performance validation

25

RAN & IP network emulation

UE/eNodeB User App App Server

eNodeB

UE Internet

User Applications

EPC / IMS SUT

S1/S1-u

IP

PGW

PCRF

System under Test

SGW

MME HSS

IMS


UE/eNodeB MME/HSS User App App Server

Packet core validation

26

User and control plane loading

MME HSS

eNodeB

UE Internet

User Applications

SUT

S11

SGi

SGW

System under Test S-1u

PGW

SUT


UE/eNodeB MME/HSS PGW User App App Server

User Plane performance validation

27

Gateway: capacity verification

MME

PGW

HSS

eNodeB

UE Internet

User Applications

SUT

S11

S5

SGW

System under Test S-1u


PGW performance validation

28

Per bearer and load emulation

UE/eNodeB SGW MME/HSS

MME

User App App Server

SGW

HSS

eNodeB

UE Internet

User Applications

SUT

S5

SGi

PGW PCRF

System under Test


UE/eNodeB SGW PGW User App App Server

MME/HSS subscriber validation

29

Per UE unique requests at scale

PGW eNodeB

UE Internet

User Applications

SUT

S11

S6-a

System under Test S1

MME

HSS

SGW

HSS


4G/3G Handover

30

I-RAT Verification

UE-UTRAN UE-eUTRAN

MME

User App App Server

SGW

HSS

eUTRAN

UE Internet

User Applications

S1

IuPS

4G 3G

System under Test

UTRAN SGSN

GGSN/PGW

HLR

S1-u

SGi

Documents

Mobile core validation with realism - EMPOS · PDF fileIuPS 4G 3G System under Test UTRAN HLR SGSN ... Network Nodes IP Service Emulation Layer 0-3 TMA ... UE Triggered Service Request