Software Engineering in the Age of SaaS and Cloud Computing - SERA 2013 - MFF UK - August 2013

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Abstract: Cloud computing is accelerating the pace of migration from on-premise behind-the-firewall software deployment to Software as a Service (SaaS) subscription based delivery model. While accelerated innovation cycle and reduced time to value enabled by the above paradigm shift are well recognized due to their direct business impact, it is often overlooked how the new delivery model is affecting software engineering itself in terms of tools, processes as well as of its theoretical arsenal needed to develop cloud applications.

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Software Engineering in the Age of SaaS and Cloud Computing - SERA 2013 - MFF UK - August 2013

  1. 1. ©2013 GoodData Corporation. All rights reserved. SOFTWARE ENGINEERING IN THE AGE OF SAAS AND CLOUD COMPUTING Jaroslav Gergic VP, R&D and Operations, GoodData jaroslav.gergic@gooddata.com SERA 2013 @ MFF UK August 7 2013
  2. 2. ©2013 GoodData Corporation. All rights reserved. OUR AGENDA ● Introduction ● Software as a Service ● Cloud Computing ● Impact on Software Engineering ● Discussion © 2013 GoodData Corporation. All rights reserved
  3. 3. ©2013 GoodData Corporation. All rights reserved. Reporting & BI has always been a VALUE CHAIN Multiple PRODUCTS Multiple DEVELOPMENT CYCLES High IMPLEMENTATION COSTS High SUPPORT COSTS Dedicated HARDWARE Dedicated IT RESOURCES Data Warehouse Report ETL Datamart Datamart Cube Cube Cube Dashboard XLS The old way…
  4. 4. ©2013 GoodData Corporation. All rights reserved. Our Discussion Agenda points OUR VISION IS TO CHANGE THE WAY THE WORLD EXPERIENCES BUSINESS INTELLIGENCE.
  5. 5. ©2013 GoodData Corporation. All rights reserved. OPEN CLOUD BI PLATFORM © 2013 GoodData Corporation. All rights reserved
  6. 6. ©2013 GoodData Corporation. All rights reserved. WHY GOODDATA 73,000Satisfied Users 99.5% Uptime SLA 84.7% Adoption 20B Rows Under Management 50+ PoweredBy Partners 1,000,000 data integrations per week 28k Users at one customer Security Certified 20,000 Data Warehouses Under Management 1 Delightful Interface
  7. 7. ©2013 GoodData Corporation. All rights reserved. OUR CUSTOMERS UNLOCK DATA UNITE DATA MONETIZE DATA
  8. 8. ©2013 GoodData Corporation. All rights reserved. Traditional Enterprise Software vs. Software as a Service ● hosted by SaaS provider ● shared Infrastructure ● economies of scale ● hosted by customer ● HW & Infrastructure costs borne by customer
  9. 9. ©2013 GoodData Corporation. All rights reserved. © 2013 GoodData Corporation. All rights reserved Traditional Enterprise Software vs. Software as a Service ● integrated solution delivered over the Internet ● multiple HW/SW vendors ● SW integrators
  10. 10. ©2013 GoodData Corporation. All rights reserved. Traditional Enterprise Software vs. Software as a Service ● integrated solution delivered over the Internet ● single codebase for everybody ● functional & business consulting ● multiple HW/SW vendors ● SW integrators ● frequent code customizations ● armies of technical consultants © 2013 GoodData Corporation. All rights reserved
  11. 11. ©2013 GoodData Corporation. All rights reserved. Traditional Enterprise Software vs. Software as a Service ● integrated solution delivered over the Internet ● single codebase for everybody ● functional & business consulting ● customer configuration changes possible ● multiple HW/SW vendors ● SW integrators ● frequent code customizations ● armies of technical consultants ● blurred line between code and configuration changes © 2013 GoodData Corporation. All rights reserved
  12. 12. ©2013 GoodData Corporation. All rights reserved. SAAS - FOCUS ON CUSTOMER VALUE ● simplified and consolidated infrastructure allows to focus on customer features instead of technicalities ● easier to accumulate expertise and best practices in a particular domain or industry vertical ● enabling customers to benefit from collective knowledge © 2013 GoodData Corporation. All rights reserved
  13. 13. ©2013 GoodData Corporation. All rights reserved. SAAS - FASTER INNOVATION CYCLE ● traditional enterprise SW: ○ annual or semi-annual cycle ● SalesForce.com pioneer of Enterprise SaaS: ○ seasonal releases ● GoodData: major release every month ○ minor updates 2 x week ● Next Stop: Continuous Delivery
  14. 14. Cloud Computing "Cloud computing relies on sharing of resources to achieve coherence and economies of scale similar to a utility (like the electricity grid) over a network. At the foundation of cloud computing is the broader concept of converged infrastructure and shared services." (source: Wikipedia)
  15. 15. Cloud Computing = Democratization of SaaS
  16. 16. Cloud Computing ● public computing clouds further lower the capital needed to start a SaaS company ● elasticity of clouds lets companies scale quickly and just-in-time with little capital expenditure up-front ● cloud computing has become the catalyst expediting the transition from traditional behind-the-firewall software to SaaS
  17. 17. ©2013 GoodData Corporation. All rights reserved. 3 QuestionsOur Discussion Agenda points WHAT IS THE IMPACT ON SOFTWARE ENGINEERING? ● the game has changed a lot... ● … if you happen to be in SaaS
  18. 18. ©2013 GoodData Corporation. All rights reserved. ● dynamics of change has increased significantly from months to weeks ● vast scale of SaaS deployments means hitting HW / SW limits all the time ● SaaS requires tightly Integrated R&D + Operations + Customer Service (note the second uppercase ‘S’ in SaaS) WHAT HAS CHANGED? © 2013 GoodData Corporation. All rights reserved
  19. 19. ©2013 GoodData Corporation. All rights reserved. ● increased dynamics of change too many fast changing variables ● hitting HW / SW limits all the time hard to model and predict the next hot spot layered approach does not work anymore ● Ops / Customer Experience / Service software engineers need to broaden their skill set WHAT DOES IT MEAN? © 2013 GoodData Corporation. All rights reserved
  20. 20. ©2013 GoodData Corporation. All rights reserved. DEVELOPING SAAS PRODUCT © 2013 GoodData Corporation. All rights reserved think about operational aspects: ● security IDS systems, audit logging regular penetration testing ● performance collect statistics at runtime identify hot-spots and remove on the fly
  21. 21. ©2013 GoodData Corporation. All rights reserved. DEVELOPING SAAS PRODUCT © 2013 GoodData Corporation. All rights reserved ● deployment automation operating hundreds of servers virtual servers become equivalent to processes in the traditional model ● monitoring and logging alerts, troubleshooting and debugging huge volume log files - grep no longer helps Beware: The code you write can wake you up in middle of the night! (Literally speaking.)
  22. 22. ©2013 GoodData Corporation. All rights reserved. DEVELOPING SAAS PRODUCT © 2013 GoodData Corporation. All rights reserved ● It is not only about developing software, it is also about running it on behalf of customers: monitoring, error reporting & alerting ongoing performance optimizations & fine tuning incremental feature rollouts (risk mitigation) ● All the above influences the way you should architect and develop your software and technologies you use.
  23. 23. ©2013 GoodData Corporation. All rights reserved. Our Discussion Agenda points KEYS TO SUCCESS IN SAAS ● BE AGILE YOU CAN’T PREVENT STUFF HAPPENING YOU SAVE THE GAME IF YOU CAN FIX FAST ● BE FLEXIBLE EMBRACE CHANGE ONLY CHANGE IS GUARANTEED TO HAPPEN ● BE VERSATILE END USER EXPERIENCE IS CRUCIAL IN SAAS OWN IT - NO HANDOVERS
  24. 24. ©2013 GoodData Corporation. All rights reserved. THANK YOU! Questions?

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