1. INTERNET QUALITY MEASUREMENTS Dr Vladica Tintor Deputy Director

2. Net Neutrality Net neutrality is reflected in the principle of treating all Internet content equally without discrimination, regardless of users, content, website, platforms, applications, equipment, communication system and transmission technologies. A main feature of net neutrality is QoS. 4/22/20152SEE 4 / RIPE NCC Regional Meeting

3. Quality of Service Quality of the Internet service in the Republic of Serbia is monitored in three ways: 1.ISP reports 2.Client-side reference measurment software (pending) 3.Measuring at user premises using measurement equipment 4/22/20153SEE 4 / RIPE NCC Regional Meeting

4. QoS - Rulebook Quality parameters for public voice service in public telephone network at a fixed location Quality parameters for public services in public mobile communication network Quality parameters for public voice service provided over the Internet Quality parameters for broadband access Quality parameters for media content transmission services Quality parameters for electronic communication networks under general authorization regime Quality parameters for electronic communication networks under public bidding regime 4/22/20154SEE 4 / RIPE NCC Regional Meeting

5. Internet service Service Supply Time; Bill Correctness Complaints; Customer Complaints Resolution Time; Customer Relations ; Professionalism of help line ; Bill Correctness Complaints Operator Response Time; Response time for operator services; Throughput; Delay (one-way); Jitter; Packet Loss; 4/22/20155SEE 4 / RIPE NCC Regional Meeting

6. QoS Measurement Software There are simple products such as Speed Test available on the market There is also specialized software that is installed at IXP, offering the following options: – Different access options (mobile, WLAN, browser); – Analysis of the parameter results by operator; – Analysis of the parameter results by period (monthly, quarterly, semi-annually, annually); – Analysis by frequency bands (2G, 3G, 4G) – Analysis by technology: mobile (EDGE, UMTS, LTE), fixed(DSL, LAN, FTTx) or WiFi 4/22/20156SEE 4 / RIPE NCC Regional Meeting

7. Measuring at least following IP layer parameters (BEREC recommendation): – uploadand download speed, – delay, – jitter, – packetloss ratio. QoS Measurement Software 4/22/20157SEE 4 / RIPE NCC Regional Meeting

8. 4/22/20158SEE 4 / RIPE NCC Regional Meeting Source: https://www.netztest.at/en/https://www.netztest.at/en/

9. 4/22/2015SEE 4 / RIPE NCC Regional Meeting9 Source: https://www.netztest.at/en/https://www.netztest.at/en/

10. QoS Measurement Device Agilent/JDSU DNA PRO J6803B with Triple play analyzer software Test set JDSU HTS-3000, JDSU SmartClass Ethernet 4/22/201510SEE 4 / RIPE NCC Regional Meeting

11. QoS Measurement Vehicle Vehicle equipped with antenna system and dedicated scanners for monitoring the quality of wireless telecom networks in the frequency band 30 MHz - 6 GHz. The scanners enable the measurements in LTE-FDD, LTE-TD, GSM, WCDMA, LTE, CDMA2000® 1xEV-DO, TETRA and WiMAX™ wireless networks. 4/22/201511SEE 4 / RIPE NCC Regional Meeting

12. Key Performance Indicators (KPI) Throughput [kbit/s] Frame Delay [ms] Frame Delay Variation (Jitter) [ms] Frame Loss Ratio 4/22/201512SEE 4 / RIPE NCC Regional Meeting

13. KPI measurement in symmetric mode RFC2544 4/22/201513SEE 4 / RIPE NCC Regional Meeting

14. KPI measurement in asymmetric mode RFC2544 4/22/201514SEE 4 / RIPE NCC Regional Meeting

15. Type of ServiceThroughput (Mbps) Frame size (bytes) HDTV (MPEG-2)191372 HDTV (MPEG-4)71372 SDTV (MPEG-2)41372 SDTV (MPEG-4)21372 VoIP (G.711U, 56k)0,1128 VoIP (G.711A, 56k)0,1128 VoIP (G.711U, 64k)0,1138 VoIP (G.711A, 64k)0,1138 VoIP (G.723/5, 3k)0,165 VoIP (G.723/6, 3k)0,166 VoIP (G.728)0,178 VoIP (G.729/G.729A)0,168 Type of Service 4/22/201515SEE 4 / RIPE NCC Regional Meeting

16. Type of ServiceRequired Throughput Sensitivity : DelayJitterFrame Loss VoIPLowHigh Medium Video ConferencingHigh Medium Streaming VideoHighMedium Streaming AudioLowMedium EmailLow High File TransferMediumLow High Service Sensitivity to KPI Parameters 4/22/201516SEE 4 / RIPE NCC Regional Meeting

17. ITU-T Y.1564 Simultaneous Service Testing 4/22/201517SEE 4 / RIPE NCC Regional Meeting

18. Regulatory Agency for Electronic Communications and Postal Services (RATEL) Višnjićeva 8 11 000 Belgrade Republic of Serbia Phone: +381 11 3229 970 Fax: +381 11 3232 537 www.ratel.rs vladica.tintor@ratel.rs Thank you for your attention 4/22/201518SEE 4 / RIPE NCC Regional Meeting