ITU Workshop on Bridging the Standardization Gap Vientiane

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ITU Workshop on “Bridging the Standardization Gap” (Vientiane, Lao People’s Democratic Republic, 30 -31 July 2012) Telco CDN interconnection for Global Content Exchange Youngseok Lee Director, KT Network R&D Laboratory goleeys@kt. com Vientiane, Lao People’s Democratic Republic, 30 -31 July 2012

Table of Contents q CDN Market Status q Global CDN Market Expectation q End User Requirement about Content Delivery q Key Issue for End User Requirement q Telco CDN based on Smart Pipe q Why Telco CDN Interconnection ? q Global Telco CDN interconnection status, use cases and issues q KT Global Telco CDN interconnection status Vientiane, Lao People’s Democratic Republic, 30 -31 July 2012

CDN market status and expectation q Global CDN market status m 2011 Global CDN Total market: 1. 9 B$ Ø Number 1 Global CDN Povider : Akamai èRev: 63. 2%, Customer Vol. : 20% q 2015 Global CDN Expectation m. Frost & Sullivan Research: ~6 B$ m. Cisco IBSG: Premium Contents Delivery and Telco CDN Federation: ~12 B$ Vientiane, Lao People’s Democratic Republic, 30 -31 July 2012 3

Global CDN Market Expectation q CDN Market Big 3 Parties m. Global CDN Providers: Akamai, Limelight Networks, CDNetworks, … m. Global CPs: Google, Microsoft, Yahoo, … m. Telco CDN and Telcos: Telco CDN federation, IETF CDNi wg m. And, Others : Bit. Torrent, P 2 P CDN providers, … q CDN market possible 3 scenarios m. Telco Last mile + Global CDN Providers m. Telco Last mile + Global CPs m. Telco CDN interconnection/Federation based on ‘Smart Pipe Concept’ q Key issues in CDN market m. Mobile optimized ? : Acceleration, Mobile CDN m. Global Coverage ? m. Low Cost, High Quality, and Premium Delivery ? Vientiane, Lao People’s Democratic Republic, 30 -31 July 2012 4

End User wants Freemium Service ! q Ready for providing ‘Freemium’ Service ? m End User’s need: ‘Freemium = Free + Premium’ Low Cost/High Quality Premium Content Delivery Service Ø Any content + With Low Cost and High Quality + In Any time + On N-Screen terminal m But current status of Content Delivery market Ø EUs: No Freemium service environment They usually use ‘illegal Web hard download’, and they think ‘Every service from internet is Free’. But it’s not convenient and complex. [Time consuming + So many terminals and contents to manage] Ø Content Producers: 1~2 B$ annual loss in Korean Contents exchange market by illegal download Ø Content Providers/Aggregators: They have their own interest only in getting Money instead of providing Freemium service for End-user with the collaboration of NSP Ø NSPs: NSP is philanthropist ? q Network issue point for Freemium service 3 G/4 G Radio area IX/Overseas area 3 G/4 G MBH Operator BB Wired Access net : Big point for Premium CD : Small point for Premium CD Vientiane, Lao People’s Democratic Republic, 30 -31 July 2012 Gold $$$ Silver $$ Bronze $ Free Riding 5

Mobile CDN for Premium CD Mobile CDN Design issue for Premium Content Delivery The optimization of mobile data traffic transmission Highway for premium mobile data traffic in mobile area to provide Qo. S guarantee Automatic and Dynamic Caching for premium mobile data traffic in the MBH for overcoming the Qo. S issue of IX/Overseas area Highway for Gold, Silver mobile data Low Cost, High Quality, Premium Delivery By automatic and dynamic caching of premium mobile content IX/Overseas area Gold $$$ Operator BB Silver $$ Wired Access net Gold $$$ Silver $$ Bronze $ Free Riding How to make ‘Automatic/Dynamic caching of Premium mobile contents’ in MBH? With the collaboration of Global CDN Provider like Akamai, but. . With the collaboration of Global CP like Google, but… With Telco CDN interconnection based on Smart Pipe Vientiane, Lao People’s Democratic Republic, 30 -31 July 2012 6

How to make successful B 2 B 2 C business, Killer Service? Revenue-generating Contents delivery service based on CP/OTT collaboration Distributed/Dynamic storing Open API and transmission of (Service Layer) Revenue- generating contents based on Distributed Cloud infra Smart Node Cloud in the Net Service Layer + Network Layer Smart Gateway (IP Network Layer) Smart Pipe (Big Collaboration, Big Profit) Open collaboration HD/High quality Contents transmission Service (Open IPTV, SNS, Smart TV, absolutely based on collaboration contract) Vientiane, Lao People’s Democratic Republic, 30 -31 July 2012 7

Smart network benefits AS-IS TO-BE B 2 C, One-side market based on Dumb pipe B 2 B 2 C, Two-side market based on Smart pipe $$ $ CP $ Small subscriber group (limited market) Dumb pipe internet $ $$$ OTTs No Qo. S, Small Profit $ $$ Big subscriber groups (Economies of scale) benefits End User Perspectives As-Is Smart node Service Oriented Smart Network node Qo. S, Big Profit OTTs $$ $$ $$ -Online Ad $$$ -Target Ad CP Apple Amazon $$$ To-Be • Just BE internet access No Killer App • Enjoy Huge # & various Emerging Service • Quality degradation of HD Emerging • Prosumer, Open, Freemium Service Qo. S needs ! • Target Ad can save internet access fee. Vientiane, Lao People’s Democratic Republic, 30 -31 July 2012 8

Smart network benefits As-Is CP/OTT/ Cloud Provider Perspectives • Only B 2 C, Retail business for limited user group from Current BE IP network (W/O Qo. S guarantee) • BE Internet No Killer Service • Dumb pipe environment: Traffic increase, Revenue decrease • No more investment from NSP? ? Network Provider Perspectives Vientiane, Lao People’s Democratic Republic, 30 -31 July 2012 To-Be • B 2 B 2 C business possible(Two-side market) with Qo. S guarantee Smart network • Comparing with Retail business, SN can make Opex saving effect > 50% Big Margin[Amazon case study] • Revenue sharing from New & Big business market, which is providing Open, Collaboration business environment • CAPEX/OPEX saving architecture with Distributed Computing technologies 9

KT Smart Network Po. C and Global Telco interconnection status Low Cost & High Quality Content Delivery with SN Po. C Seoul #2 Seoul #1 DJ. #4 Lab. #3 Po. C CP CDNi Pilot Phase 2(~April. 2012), CDNi Pilot Phase 3(~November. 2012) Smart Pipe: $$ Vientiane, Lao People’s Democratic Republic, 30 -31 July 2012 10

Why Telco CDN interconnection ? For the Qo. S guarantee of inter ISP Content Delivery, we need Telco CDN interconnection. Economy of scale for content exchange market No economy of scale in Walled Garden content delivery market, but Big economy of scale in Open content exchange market Big economy of scale for ‘Not only CP/OTT, but also for micro CP’ Revenue sharing between Telcos from content exchange Dumb Pipe Best Effort internet interconnection Free of Charge status ‘Traffic Increase, Revenue Decrease’ This miserable status keeps going! With Telco CDN interconnection, we can make ‘Revenue Sharing and Traffic decrease of dumb pipe interconnection’. NTT ($) Content exchange($$$) CP kt Telco CDN IX ($) IX Telco CDN Interconnection IX CT Vientiane, Lao People’s Democratic Republic, 30 -31 July 2012 Low Cost/ Qo. S guarantee Economy of Scale Revenue Sharing 11

Why Telco CDN interconnection ? Current IX/Overseas traffic status IX traffic ratio in Telco Backbone keep increasing (60% 70% during last 5 years) No Qo. S guarantee for inter ISP Content Delivery in peak time 60% 70% Inter Telco traffic Keeps increasing Telco 2 Telco 3 Others IX IX(ISP) IX IX IDC 32% 24% Telco Backbone Congestion in peak time IX Core Telco 1 We can Reduce IX/Overseas traffic increase with Telco CDN interconnection and guarantee Qo. S for such Inter ISP Content Delivery service. Vientiane, Lao People’s Democratic Republic, 30 -31 July 2012 12

Global Telco CDN interconnection use case BT is providing Telco CDN Wholesale service(WCC: Wholesale Content Connect) for some Operators in UK. What is BT WCC Service ? BT’s own cache in BT network Edge for Inter ISP content delivery Qo. S guarantee between end-user point and cache server point, by using of network Qo. S. ISP 1’s Backbone CP 2 . . (Origin) Internet (IX/Transit) CP 1 (Origin) ice C Serv No WC case User 2 BT IP/MPLSBackbone Cisco CDS-IS Caching Cisco Gu CDS-IS (W arantee d C Caching C ser t vice raffic case) User 1 § Better quality of CD service from ‘BT CD platform and Qo. S guaranteed network’ § Each ISPs can reduce video traffic increase in their BB and provide better quality of CD service for customers. Vientiane, Lao People’s Democratic Republic, 30 -31 July 2012 13

Global Telco CDN interconnection use case (Vendor interworking) Telco CDN interconnection between FT-Orange and Poland PT with different vendors FT-Orange is using Cisco’s CDS solution for Telco CDN Service PT(TPSA) is using Coblitz’s CDN solution for Telco CDN Service Successful trial case of Telco CDN interconnection by using of different Vendors No special issues even in different vendors for Telco CDN interconnection Coblitz Cache CP Origin Server FT CDN (CDS-IS) PT CDN (Coblitz) CDS-IS Cache Vientiane, Lao People’s Democratic Republic, 30 -31 July 2012 14

Global Telco CDN interconnection issue (Network Neutrality issue] Conflict between Level 3(CDN provider) and Comcast Level 3 is making originally ‘free peering contract’ with Comcast for the Global CDN service and CDN traffic transmission. After Netflix was changing their CDN provider from Akamai to Level 3, Level 3 CDN traffic is making explosive increase. It is making Big burden and Big Load to Comcast So, Comcast is asking another Payment for that Traffic increase to Level 3. But Level 3 claim that they can’t pay from the FCC’s Open Internet Rule. This is making Another type of Big issue of Network neutrality. Charging issue of Content Delivery Inter ISPs Time critical issue ! Transit Division CDN Division Free Peering Huge traffic injection with Free peering 25% in US total traffic Vol. Paid Peering Vientiane, Lao People’s Democratic Republic, 30 -31 July 2012 15

KT Global Telco CDN interconnection status CDNI CFP(Cisco Federation Project) Introduction KT is actively participating in CDNi CFP Pilot 2 with 10 Global ISPs for testing technology interworking issue and for finding Business Model Who? : 10 Global ISP(KT/Telecom Italia/Telstra/KDDI/SFR/Bytel/ Swisscom/BT, etc. ) and Vendors(Cisco/BICS) Roadmap of CFP CDNI CFP Phase 2 test (Dec. 2011 ~ April. 2012) - Set up test environment (Network, DNS, Portal, Dec. 2011~Jan. 2012) - Definition of Test item and Test of Content Delivery between KT and TI (Jan. ~Feb. 2012) - Extension of Test set/group and test features of whole case Content delivery(~March. 2012) - Deliverables of test result (~April. 2012) Weekly meeting for Technical Track and Business Track (By using of Web. Ex) KT is supposed to join CDNI CFP Phase 3 also(May. 2012~November. 2012) Vientiane, Lao People’s Democratic Republic, 30 -31 July 2012 16

Global Telco CDN interconnection Po. C test items Major test items for CDNi technology Inter-CDN Contents Routing Vo. D & Live contents delivery, Massive Software Distribution Differentiated Delivery (Qo. S test) Content delivery over IPv 6 Network CDN Exchange(3 rd party interworking) Measurement test of Inter-CDN content delivery quality Vientiane, Lao People’s Democratic Republic, 30 -31 July 2012 17

Conclusions and Recommendations Big transform from dumb pipe to smart pipe Big Power shift of current competitive market from players like CPs/OTT to Telco CDN Alliance with {NTT, Telstra, TI, Porange} and KT. Development of Business Model in Global Telco CDN interconnection Actively Participation in IETF CDNi wg For the Korean Major 3 Telco CDN interconnection, KT made ‘Korean CDNi Research Project' funded by Korean Government. CDNi Europe 1 Smart Network CDNi Europe 2 CDNi Asia CDNi America * CDNi: CDN Interconnection Vientiane, Lao People’s Democratic Republic, 30 -31 July 2012 18

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