Peering Lessons – 5 year Service Provider Journey
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Liquid Telecom operates the largest fiber network in Africa, spanning 18,000 km. They actively peer with internet exchange points (IXPs) across Africa and Europe to lower latency and increase throughput. Peering has grown Liquid Telecom's intra-African traffic significantly faster than traffic between Africa and Europe. As more peers connect directly through IXPs, Liquid Telecom now routes over half of its inbound traffic via peering arrangements rather than transit agreements, reducing costs and improving performance for users. Continued expansion of IXPs and adherence to intellectual property laws can further drive traffic shifts from transit to peering.
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Peering Lessons – 5 year Service Provider Journey
- 1. Building Africa’sdigital future Lessons Learnt from Peering 26 August 2015
- 2. An overview of Liquid Telecom
- 4. • One Network. • The largest cross-border single fibre network in Africa – 18,000 km • Fully redundant routes. • Open-access – the carriers carrier. • Active connections to 5 sub sea cables. Where we are
- 5. Peering Points • We love peering! • Present at more African IXPs than most • NAP, JINX and KIXP most significant • Also present at ZINX, BINX, ZIXP, UIXP, RINEX and CINX • We support IXPs and participate in them actively • We peer in Europe at LINX, AMSIX, DECIX • London – strategic hub because of sub sea cable routes
- 6. Peering Points used by Liquid Telecom Over 5 Years 0 2 4 6 8 10 12 14 2010 2011 2012 2013 2014 2015 ZINX LINX ZIXP JINX ZINX LINX BINX ZIXP JINX ZINX LINX AMSIX DECIX NAP UIXP RINEX KIXP BINX ZIXP JINX ZINX LINX UIXP RINEX KIXP BINX ZIXP JINX ZINX LINX CINX SMARTHUB AMSIX DECIX NAP UIXP RINEX KIXP BINX ZIXP JINX ZINX LINX
- 7. Highest Ranked by Renesys Peering Index • Top 100 Globally • Highest Ranked in Africa by far
- 8. Challenges of Peering At Multiple POPs
- 9. Traffic Challenges • Routing Problems when Peers advertise different prefixes at each IXP • uRPF – some Peers need symmetric traffic flows • Cross-border Capacity Management • Issues with CDN routing
- 11. In Africa Sometimes Elephants take a long time to come to the party But they enjoy the benefits when they get there
- 12. Latency - Example Peering Established 216 ms 8 ms
- 13. Lessons Learnt Along the Way
- 14. Growth in Intra- African Transit Capacity is Consistently higher than Africa-Europe! International Bandwidth By Region - Source Telegeography 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 Africa-Africa 0 0 1 2 4 11 22 125 162 296 Africa -Europe 20 39 66 133 333 472 697 1153 1757 2411 Percentage Growth 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 Africa-Africa 100% 100% 100% 175% 100% 468% 30% 83% Africa -Europe 95% 69% 102% 150% 42% 48% 65% 52% 37% 0 500 1000 1500 2000 2500 3000 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 Africa -Europe Africa-Africa 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 Africa-Africa Africa -Europe
- 15. Increase in Throughput • When latency is lowered, throughput increases. • Local traffic volume increases Peering Established
- 16. Inbound Traffic Sources Africa Peering 25% Other Peering 22% Africa CDN 31% Transit 22% InboundTraffic
- 17. Peering Vs Transit Africa Peering 54% Transit 46% InboundTraffic Africa Peering Transit
- 18. Peering+ CDN Vs Transit Peering + CDN 72% Transit 28% InboundTraffic Peering + CDN Transit
- 19. Traffic Balance • Traffic balancing surprises: • Difficult Peers do not always have more traffic to offer! in out Peering Established
- 20. Customers Bypass Peering • Some customers are using VPN to access content they are restricted from – so bypassing peering • Lack of enforcement on Intellectual Property Laws - hindrance to those interested in streaming business
- 21. Thank You, Peer On …
Editor's Notes
- Liquid Telecom is the leading independent data, voice and IP provider in eastern, central and southern Africa. It supplies fibre optic, satellite and international carrier services to Africa’s largest mobile network operators, ISPs and businesses of all sizes. It also provides payment solutions to financial institutions and retailers, as well as award winning data storage and communication solutions to businesses across Africa and beyond. Put simply, we connect people.
- Liquid Telecom is the leading independent data, voice and IP provider in eastern, central and southern Africa. It supplies fibre optic, satellite and international carrier services to Africa’s largest mobile network operators, ISPs and businesses of all sizes. It also provides payment solutions to financial institutions and retailers, as well as award winning data storage and communication solutions to businesses across Africa and beyond. Put simply, we connect people.
- Liquid Telecom is the leading independent data, voice and IP provider in eastern, central and southern Africa. It supplies fibre optic, satellite and international carrier services to Africa’s largest mobile network operators, ISPs and businesses of all sizes. It also provides payment solutions to financial institutions and retailers, as well as award winning data storage and communication solutions to businesses across Africa and beyond. Put simply, we connect people.
- How much traffic are we doing at KIXP? NAP 1.3G Jinx 0. LINX?
- How much traffic are we doing at KIXP? NAP 1.3G Jinx 0. LINX?
- Routing issues. Some peers advertise more specific prefixes at some Ixs. Some we end up exchanging traffic in URPF: unicast reverse path forwarding Unicast Reverse Path Forwarding (URPF) helps to mitigate problems that are caused by malformed or forged IP source addresses that are passing through a router. Loose URPF checks the packet and forwards it if there is a route entry for the source IP of the incoming packet in the router FIB. Capacity management – when you peer at different IXs, make sure you have enough capacity for traffic – EG, if you have a Peerig in SA, and non in East Africa – then the KE – SA link has to be up to scratch. Also enough capacity at the IX CDN routing – t Not possible to have CDN in each country – they are regional. Cross boarder links have to be big enough to carry content network.
- Obvious benefit is lowering of latency. A more recent graph from a peering this month
- Peering with Telone in August 2015 Harare – Johnesburg – London London – Maputo Harare = 216 ms Now only 8ms
- Traffic volumes increases significantly after peering
- Check with Ben…. Three years ago, we had 20% local content in our infrastructure, this year, we have 50%, a 10 percent increase every year We can get to 80% by 2020. Video and streaming with increase. http://www.internetsociety.org/afpif-2015/news/liquid-telecom-makes-major-strides-local-content
- E-government service in Kenya Three years ago, we had 20% local content in our infrastructure, this year, we have 50%, a 10 percent increase every year We can get to 80% by 2020. Video and streaming with increase. http://www.internetsociety.org/afpif-2015/news/liquid-telecom-makes-major-strides-local-content
- E-government service in Kenya Graph shows Peering IN Africa + CDN Three years ago, we had 20% local content in our infrastructure, this year, we have 50%, a 10 percent increase every year We can get to 80% by 2020. Video and streaming with increase. http://www.internetsociety.org/afpif-2015/news/liquid-telecom-makes-major-strides-local-content
- Telkom traffic More traffic from Telkom into Liquid Telecom They need us more than we need them Usually big ISPs only want to peer if there is enough volume. They are quick to want to sell ‘local transit’ One method is to ask for temporary peering for say 3- 6 months make sure you record interface and flow traffic if peering via IXP.
- “Netflix doesn’t offer services in Kenya, but it doesn’t mean that Kenyans cannot access services. Some people are using Virtual Private Network (VPN) services to access content on Netflix, this shows there is demand for video services, which will drive up the demand for higher capacity,” Roberts identified piracy and lack of enforcement of Intellectual Property laws as a major hindrance for companies interested in investing in streaming services; whether local or international “If you can get the latest Hollywood movies at a cost of a dollar in downtown Nairobi, it becomes hard to convince one to pay five dollars to stream the same movie, this points to a weak IP law enforcement, which can kill business,” said Roberts