Vodafone Global FACTS

Transcription

1 Vodafone Global FACTS Stefanie Schmidt, Stefan Deckers July 2018 C1-Vodafone External

2 C1-Vodafone External 2 Global FACTS Overview & Introduction

3 Luxembourg Global Roamer Germany 23 Countries Overview Global FACTS (SIGOS SITE System) Central Components SIM Muxer Compact Local Units Global E2E Vodafone Probing System to ensure Roaming Quality of 21 Vodafone and 2 Partner networks System has been introduced in 2003 and covers 2G, 3G, HSDPA and LTE Global Roamer connection enabled tests in over 210 countries and more than 845 mobile networks SIM Muxer Compact Local Units C1-Vodafone External 3

4 Global FACTS Applications Roaming Quality Management Service Opening Testing Revenue Assurance M2M / IoT Testing Benchmarking of roaming performance, improving roaming quality and establishing incident processes within the Vodafone roaming community IREG testing for new roaming partner and services Revenue Assurance tasks to ensure correct billing for voice, messaging and data services beside fraud protection Monitoring and benchmarking of VF group M2M services C1-Vodafone External 4

5 Global FACTS Key Figures 230 probes 300 active users 300,000 tests with Global Roamer 800 interfaces 2.5 million tests per month C1-Vodafone External 5

6 Global FACTS Footprint C1-Vodafone External 6

7 SIM Card Management Key Figures 36 SIM muxer 220 Countries 9500 SIM cards 725 Network Operators C1-Vodafone External 7

8 C1-Vodafone External 8 Roaming Quality Management

9 Roaming Quality Management Strong roaming community with more than 100 roaming experts involved Weekly technical conference calls take place to discuss performance issues Roaming OLA Community Best Practice Sharing within the community OLAs between Vodafone Local Markets and dedicated Partner Markets to improve roaming incident process Roaming T-NPS to receive customer feedback concerning roaming experience Roaming T-NPS Best Practice Sharing Weekly Calls C1-Vodafone External 9

10 Roaming Quality Testing Off- Net Ad Hoc Regular Testing The regular testing is focused on Global FACTS footprint covering voice, messaging and data services for involved networks Off-Net testing is using mainly Global Roamer interfaces to measure roaming performance in most visited non-vodafone networks Ad Hoc testing is covering troubleshooting sessions, maintenance work and campaigns C1-Vodafone External 10

11 Regular Testing Incoming Voice Outgoing Voice Connectivity Messaging Data 2G Voice MO Service 3G Voice MO Service 2G Voice MT Service 3G Voice MT Service Location Update 2G PDP Context Activation 3G PDP Context Activation 4G PDP Context Activation SMS Service Voic Service 3G HTTP Service HSDPA HTTP DL Service 4G HTTP DL Service 20 Quality Measurements 20 Quality Measurements 12 Quality Measurements 6 Quality Measurements 22 Quality Measurements C1-Vodafone External 11

12 Regular Testing - Monthly Volume 1.2 Million regular tests 125,000 3G download tests > 50,000 Tests per Local Market 95% completion rate 100,000 4G download tests > 180 Measured KPIs C1-Vodafone External 12

13 Additional joint KPI targets 3G voice speech quality at minimum PESQ MOS 3.3 inside and 3.1 outside Europe between Local Markets and destinations that account for 40% of off-net roaming traffic Voice To achieve the GSMA s minimum standards for roaming video capability to destinations that account for 90% of off-net roaming traffic Data Off- Net Achieve roaming speed at 80% of domestic of visited network between all Local Markets in Europe 4G Data Europe C1-Vodafone External 13

14 C1-Vodafone External 14 Roaming Quality Improvements

15 Voice Performance African Network 3,44 Long lasting speech quality issue to default carrier has been raised but no improvement visible 2,96 3,23 With Global FACTS several carriers have been tested to identify a good route towards the African network 2,93 2,92 In October 2017 the traffic has been rerouted to the identified carrier and performance improved significantly apr mei jun jul aug sep okt nov MOS (PESQ) C1-Vodafone External 15

16 Voice Performance New attached Local Market 74% 94% 94% 90% Local Market showed structural issues for certain voice KPIs after attached to Global FACTS 48% Coordinated troubleshooting with Local Market and corresponding roaming partners 26% Continuous analyzing to ensure stable performance 6% Q3/15 Q1/16 Q3/16 Q1/17 Q3/17 Q1/18 Voice Performance - Single Service Indicator C1-Vodafone External 16

17 4G Download Throughput European Local Markets GSMA recommendation for networks within 4000 km distance is 11 Mbps 112 Vodafone 4G target for Local markets within Europe is 80% of VPLMN domestic speed 132 European relations have been tested in April 2017, which increased to 141 relations till January 2018 Close cooperation within the Vodafone Local Markets increased the average roaming download throughput by 21% between April 2017 and January Relations above 80% Relations above 70% Relations below 70% Apr 17 Jan 18 C1-Vodafone External 17

18 4G Download Throughput Packet size issue Slow download performance for one Vodafone Market in other local markets recognized Reproducible with certain handsets Fragmentation of the packets caused a limitation at Vodafone Market LTE security gateway 15/ Apr/ 16/ Apr/ 17/ Apr/ 18/ Apr/ 19/ Apr/ 20/ Apr/ 21/ Apr/ Packet size limit at Local Market PGW on April 18 th solved the issue Download Rate C1-Vodafone External 18

19 4G Download Throughput QCI parameter Low 4G performance recognized for QCI 9 SIM cards in one dedicated Local Market recognized On June 17th 2017 the QCI for a Test SIM card has been modified from QCI 9 to 8 Already first tests indicates an improvement in the Download Rate at problematic Vodafone Market 14-Jun 15-Jun 16-Jun 17-Jun 18-Jun 19-Jun 20-Jun In overall performance improved by 350% Download Throughput C1-Vodafone External 19

20 4G Download Throughput Throttling of inbound Roamers Throttling at 3G performance level for 4G in 3 rd party network identified Limitation has been raised to roaming partner End of September the roaming partner removed the throttling 15-Sep 19-Sep 23-Sep 27-Sep 1-Oct 5-Oct 9-Oct 13-Oct Download Rate C1-Vodafone External 20

21 C1-Vodafone External 21 EU Roaming Regulation Testing & Findings

22 EU Roaming Regulation Global FACTS Active Testing To ensure that the service and billing is working correctly tests took place between May and July Testing covered Consumer and Enterprise tariffs, MVNOs and Partners 30 different test cases within Europe and across the world Configuration issues identified and solved before Go live Customer complaints reduced to 0% comparing to regulation in 2016 C1-Vodafone External 22

23 EU Roaming Regulation Speech Quality Performance Major Voice traffic increase from VF DE to an European network up to 150% of expected value due to EU Regulation Speech quality degraded; CLI presentation and accessibility failure increased VF DE carrier was able to temporarily improve performance but remains unstable 3,8 3,6 3,4 3,2 3 2,8 2,6 Carrier improved quality [28-June-2017] Accelerated migration to Vodafone voice hub 2,4 2,2 EU Regulation 2017 [14-June-2017] Migration to voice hub [20-October-2017] 2 C1-Vodafone External 23

24 EU Roaming Regulation 4G Throughput Performance Data traffic migrated to new firewall due to capacity limitations For some roaming relations low throughput has been recognized via Global FACTS but also due to complaints from impacted Vodafone Local markets Most impacted relations have been moved back to old GRX firewall Issue identified; configuration has been changed and improved the 4G throughput 105% 95% 85% 75% 65% 55% 45% 35% Critical relations rerouted [15-June-2017] EU Regulation 2017 [14-June-2017] Traffic Migration to new Firewall [11-June-2017] Configuration modified [10-August-2017] C1-Vodafone External 24

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