KT/KTDS Case Study: Open Source Database Adoption in Telecom
1 like235 views
The document discusses KT, a leading telecommunications company in Korea, and its adoption of open source software (OSS) to improve operational efficiency and reduce costs. It outlines trends in OSS usage, case studies of successful implementations, and KT's strategic steps in adopting EDB Postgres Advanced Server, emphasizing cost reduction and flexibility in ICT services. The implications of these adoption cases highlight the importance of standardization, technical support, and workforce development to ensure successful integration of OSS into business operations.
KT/KTDS Case Study: Open Source Database Adoption in Telecom
- 1. Open Source Database Adoption in Telecom
- 2. Contents 1 About kt & kt ds 2 Open Source SW trend in Korea 3 Open Source SW case studies in Korea 4 kt's EDB PAS adoption steps in detail 5 Implications of kt's EDB PAS adoption cases
- 3. About kt & kt ds1 ktis no. 1 telecommunication company in Korea, providing mobile, internet line, fixed line, IPTV, and IT services kt ds is an IT subsidiary of kt, providing IT total services No.1 134 years 5G 5.0 million 2018 KS-QEI No.1 in Mobile Communication / High-Speed Internet / IPTV The history of communications in Korea A whole new world made of 5G Over 5.0 million kt GiGA service subscriptions (Mar. 2019)
- 4. Open Source SW trend in Korea (1) Open Source SW Adoption Purposes 2 Open Source SW Adoption Reasons Open Source SW reduces IT operational costs and prevents commercial license dependencies. Recently its technology is applied to ICT area as well. 73.1% 33.5% 15.6% 21.8% 17.1% 81.3% 46.0% 21.4% 15.3% 15.1% Cost Reduction Preventing Commercial License Dependencies Flexible SW Modification & Integration Rich References Adoptable to New Technology 2017 2018 ※ Reference: NIPA, ‘18 Open SW Market Research Report
- 5. Open Source SW trend in Korea (2) Open Source SW Adoption Fields 2 Open Source SW Adoption Ratio Open Source SW adoption increased in not only the legacy fields, such as OS/Web/DB, but also the new technology fields such as Cloud, Bigdata and AI 18.1% 16.9% 13.6% 11.3% 9.9% 8.3% 8.2% 3.2% 0.4% OS/Server Web/WAS DB/DBMS Application Management SW Cloud IoT Bigdata AI ※ Reference: NIPA, ‘18 Open SW Market Research Report
- 6. Open Source SW case studies in Korea3 KEPCO ‖ Korea Electric Power Corporation ‖ Applied Open Source GIS SW in next generation of Distribution Automation System(DAS) & Advanced Distribution Management System(ADMS) ‖ Reduced Cost, Prevented commercial license dependencies, Enhanced OSS skill level Kakao Bank ‖ On-line Bank in Korea ‖ Applied Open Source DB in customer authentication & channel system ‖ Cost Efficiency, flexibility, scalability
- 7. Open Source SW case studies in Korea3 kt Open Source Approach Background (1) Traditional Communication Services ICT Convergence Services Internet MobilePhone Wi-Fi AINavigation Connected car Hologram HomecamDrone CCTV IoT EV Satellite
- 8. Open Source SW case studies in Korea3 Cost Reduction IT re-Designing New. Tech Investment Continuously increasing IT investment costs Increasing demands for efficient IT operation costs Carrying forward the next- generation IT for cloud business and business innovation Demands for ICT new technology investment kt Open Source Approach Background (2)
- 9. kt's EDB PAS adoption steps in detail4 Why kt have chosen EDB Postgres vs. vs. another Why ? ‖ Operators/developers friendly with Oracle compatibility ‖ Active community ‖ Good functionality and stability ‖ References for advanced telco systems Why not ? ‖ Open Source SW introduction economic feasibility analysis ‖ Compliance issues prevention
- 10. kt's EDB PAS adoption steps in detail4 Proof of Concepts Pilot ‖ Targets ITO entrusted Oracle system, less critical services, proper AP complexity, source code retention, Pro * C use ‖ Purpose Secure own skill level through project Determine to expand through performance, function and stability verification ‖ Result Confirm open source transformability, Measuring transform costs VirtualUsers(max) Handlingper second(max) Averageresponsetime AverageCPUuserate Oracle MS-SQLEDBPAS 800 800 800 266.6 266.5 213.8 0.04 0.09 31.06 15.6 26.2 60.2 DB PoC ‖ PoC SW Oracle DBMS, SQL Server, EDB PAS ‖ Purpose Deduct potential issues and considerations ‖ Result Determine systems to apply EDB PAS, based on verification items such as function, performance, stability, compatibility
- 11. kt's EDB PAS adoption steps in detail4 Establishing Adoption Strategy Maximize IT cost reduction ✓ Massive, willful downsizing (top management sponsored) ✓ DBMS, WAS focused downsizing Standardization ✓ Make OSS adoption as a principle ✓ Selection of standard open source SW List ✓ Standardization including installation, operation, and upgrade Ensuring stability ✓ Commercial/Community dual ladder ✓ Establishment of technical support system according to service characteristic(INCLD Community Editions) ✓ Perform preliminary diagnostics to minimize transformation risk Compliance issues prevention ✓ Pre & Post inspection of SW use ✓ Add Open Source SW provisions in standard contract form 1 2 3 4
- 12. kt's EDB PAS adoption steps in detail4 Cloud Combining Migrating to OSS Convergence Services Combine with cloud to build flexible system Migrate high-cost commercial SW to open source SW Build & utilize new services to launch ICT convergence services Adoption Type +
- 13. kt's EDB PAS adoption steps in detail4 Adoption Type ① Cloud Combining iPhone Reservation System ‖ Cost reduction by Cloud and OSS (JBoss AS, EDB PAS) ($4.4M cost reduction on 5year TCO) ‖ kt service differentiation from Rivalry by zero-downtime (Year 2012~) L4 WAS/ WEB WAS/ WEB WAS/ WEB WAS/ WEB Oracle #1 L4 Oracle #2 … L4 L4 … … VM VM VM VM VM VM VM VM VM VM VM VM VM VM VM VM WEB WAS DB WEB/ WAS DB Loadbalancing > Loadbalancing MCSG Active Standby PAS #1 PAS #2 Active Standby 800K / 5min transactions
- 14. kt's EDB PAS adoption steps in detail4 Adoption Type ② Migrating to OSS (1) kt Migration Project ‖ Application of methodology for commercial DB transform to OSS(OTPM) ‖ Development and application of diagnostics tool & monitoring tool Migration Go LiveAssessment Preparation Query:250 Success:150 Fail:50 DB System Application d i a g ※ OTPM : Oracle to EPAS Migration
- 15. kt's EDB PAS adoption steps in detail4 Adoption Type ② Migrating to OSS (2) 0 20 40 60 80 100 50 100 150 200 250 350 500 AS-IS PostgreSQL Authorization System ‖ Mission Critical system migration ‖ PostgreSQL is used ‖ Low-cost, high-efficiency, stable operation effect ‖ Improved load and throughput with simple logic Network Management System ‖ EDB PAS migration with SQL tuning for large data processing (45K transactions/sec) ‖ Leverage system improvement opportunity for OSS adoption & migration(SQL 2,200개)
- 16. kt's EDB PAS adoption steps in detail4 Adoption Type ③ Convergence Services GiGA IoT Home Service life-enhancing services ‖ Build systems quickly ‖ Gain flexibility by membership trends ‖ Review of logical replication adoption Map System ‖ Used PostGIS ‖ Build high traffic and complex GIS logic ‖ Flexible launch of related derivative services
- 17. kt's EDB PAS adoption steps in detail4 kt’s using case 8 200+ 20+ Installing PostgreSQL/EDB PAS on average 8 servers a month Applied EDB PAS to over 200 systems Transformed to EDB PAS over 20 services
- 18. kt's EDB PAS adoption steps in detail4 Cost Reduction Reliable IT Time to Market 80% reduction of purchase cost and maintenance (MA) cost compared to commercial SW Combine with cloud for easy scale-out Select DBMS according to purpose Quick application / release of new technology Combine with Dev/Ops development methodology Adoption Effects
- 19. Implications for kt's EDB PAS adoption cases5 Standardization ‖ Select Standard Open Source SW ‖ Apply and Expand Open Source SW in enterprise level ‖ Establish technical support system according to service type (INCLD Community Editions) Technical Support Staff & Personnel Securement ‖ Professional workforce sourcing ‖ Workforce internalization through Pilot ‖ Existing operational manpower utilization through conversion education (switch-over from Legacy) Goals Clarification & KPIs Operation ‖ Company-wide introduction goal clarification ‖ A common understanding of goals ‖ Yearly performance measurement and compensation according to the target