1. New Era of Live Streaming Live Smooth Streaming CDNetworks Bongseok Kim I Team Leader Marketing Div. Marketing Team

2. Microsoft Confidential 1 Copyright ⓒ CDNetworks. All rights reserved. CDN outline Content Delivery Content Consumer Content Provider CDN Content Delivery Network

3. Microsoft Confidential 2 Copyright ⓒ CDNetworks. All rights reserved. CDNetworks introduction Seoul HQ Tokyo Office San Jose Office London Amsterdam Frankfurt Paris Bejing Singapore Sydney Hong Kong Hebei Sichuan Guangdong Fujian Shanghai Office Zhejiang Jiangsu Liaoning Heilongjiang Sao Paulo L A Dallas Atlanta Denver Seattle Chicago Shandong HuBei Guangzhou Jilin Milan Madrid Washington D.C. San Francisco Stockholm As of September 2009 Miami Mumbai EMEA Office Moscow New York Office Taipei Vancouver Johannesburg Hanoi Buenos Aires Mexico city Jakarta Manila Bangkok Global Reach 1,100 Gbps Network Located at 80+ POPs in 18 countries Korea #1, Asia #1 and Global #3 CDN player 1,100+ Customers globally

4. Microsoft Confidential 3 Copyright ⓒ CDNetworks. All rights reserved. Total Service DS Acceleration Services High speed acceleration services for web and business content OnDemand Services High performance outsourcing services for successful internet based business AS OS Delivery Services High quality delivery services for media content and digital assets Accelerating Your World CDNetworks 3 services Download Hybrid Download File Delivery Media Delivery Media Streaming Media Live Media Download Hybrid Live SolutionProduct

5. Microsoft Confidential 4 Copyright ⓒ CDNetworks. All rights reserved. Live streaming flow Delivers streaming of contents optimized for internet environments Play and monetize End-user Global Server Load Balancer Adopts the split method to immediately distribute the contents to edge servers IDC 1IDC 2IDC 3IDC n Edge Servers Edge Servers Edge Servers Edge Servers Live Encoding Live Relay Live Streaming Playing Encodes video/audio input Creates live streaming sessions to origin server Live Encoder Origin Server CDNCDN

6. Microsoft Confidential 5 Copyright ⓒ CDNetworks. All rights reserved. Software structure for live streaming End-user IDC 1IDC 2IDC 3IDC n Edge Servers Edge Servers Edge Servers Edge Servers Global Server Load Balancer Live Encoder Origin Server Live Encoding Live Relay Live Streaming Playing Media ServerWindows Media Services OSWindows Server 2003/2008 MS Expression Encoder 3 rd party Encoder Media ServerWindows Media Services OSWindows Server 2003/2008 Origin Server Edge Servers Windows Media Player Open Source Player CDNetworks GSLB

7. Microsoft Confidential 6 Copyright ⓒ CDNetworks. All rights reserved. ExpansionARR 2.0 Beta Web serverIIS 7.5/7.0 OSWindows Server 2008 ExpansionMedia Services 3.0 Beta Web serverIIS 7.5/7.0 OSWindows Server 2008 End-user IDC 1IDC 2IDC 3IDC n Edge Servers Edge Servers Edge Servers Edge Servers Global Server Load Balancer Live Encoder Origin Server Live Encoding Live Relay Live Streaming Playing 3 rd party Encoder Origin Server Edge Servers Silverlight 3.0 Software structure for live Smooth streaming CDNetworks GSLB HTTP-based delivery for live events Caching fragments and load balancing of HTTP server requests

8. Microsoft Confidential 7 Copyright ⓒ CDNetworks. All rights reserved. Live Smooth Streaming for REMIX09 Inlet Spinnaker Origin ServerEdge Server End userLive Encoder x86 serverx86 server * 6 100M 10G Delivery H/W Location REMIX spotLG Dacom IDCKT IDC, LOTTE IDC

9. Microsoft Confidential 8 Copyright ⓒ CDNetworks. All rights reserved. Extensions minute for Live Smooth Streaming IIS Media Services 3.0 Beta IIS ARR 2.0 Beta 2 Silverlight Player Fragment Archive Data.ismv Cache Data Fragment Store Origin ServerEdge ServerEnd user HTTP Get Cache policy can be controlled

10. Microsoft Confidential 9 Copyright ⓒ CDNetworks. All rights reserved. Caching mechanism 200K.ismv 400K.ismv 00:0000:0200:0400:06 … … … 1.2M.ismv … REMIX directory Media Services 3.0 Origin Server ARR 2.0 00:08 Edge Server REMIX/200K directory REMIX/400K directory REMIX/1.2M directory … Fragment(200K) 00:0400:06 00:0200:06 00:0200:04 Fragment(400K) Fragment(1.2M) 200K@00:02?400K@00:04?1.2M@00:06? 00:02 00:04 00:06 400K@00:04?

11. Microsoft Confidential 10 Copyright ⓒ CDNetworks. All rights reserved. Expansion description IIS 7.0 Windows Server 2008 HTTP-based delivery for live events Media Services 3.0 Fragment caching Rule-based routing and load balancing of HTTP server requests ARR 2.0 Edge ServerOrigin Server Better efficiency of server resources Better performance of UX Enablement of Live Smooth Streaming Enablement of H.264(MP4 file format)

12. Microsoft Confidential 11 Copyright ⓒ CDNetworks. All rights reserved. Advanced logging Monitoring & Measuring  Provides access to both real-time client and server side logs for media experiences delivered over HTTP  Allows third-party analytics providers to easily access data in real-time FeatureDescription Custom Media Metrics  Generate completely customizable W3C-standard log files  Tailor logs to track easily  Filter out information relevant to a specific purpose Analytics Integration  Silverlight applications can use an upcoming Silverlight analytics control to automatically track and report data  parses the data and writes it to a file on the IIS server and also exposes this data in real-time to an analytics service

13. Microsoft Confidential 12 Copyright ⓒ CDNetworks. All rights reserved. Benefit of (Live) Smooth Streaming for KR customer Global service User convenience Wireless platforms

14. Microsoft Confidential 13 Copyright ⓒ CDNetworks. All rights reserved. Microsoft with CDNetworks Rich UX End-to-End solution Optimized to media Management Customer Business Growth Acceleration Mass scalability High performance Seamless reliability Advanced reporting CDNetworksMicrosoft

15. Bongseok Kim I Team Leader | Marketing Div. Marketing Team Office. 82-2-3441-0382 | Cell. 82-10-6658-9713 bongseok.kim@cdnetworks.co.kr |www.cdnetworks.com | www.nextcdn.com