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WSO2Con Asia 2014 - Essential Elements of an Enterprise PaaS

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  • 1. Essential Elements of an Enterprise PaaS Lakmal Warusawithana Committer and PPMC member, Apache Stratos (Incubating) Software Architect WSO2 Inc
  • 2. What are Essentials ? Why Important? • Open extensible architecture • Intelligent capacity on demand • Scalable and dynamic load balancing • Multi-tenancy • Multi cloud and cloud bursting • Logging, Metering and Monitoring • Multi provider echo system • Efficiency and security • Controlling IaaS resources
  • 3. Open Extensible Architecture
  • 4. Open Extensible Architecture… Why Stratos architecture so important? • Cartridge model enable bringing in even legacy apps into cloud • Unified communication across components in the PaaS using message broker • Centralized monitoring and metering with unified logging framework • Ability to plugin any IaaS due to the use of jclouds API • Ability to plugin any third party load balancer using message broker model • Ability to plugin any third party health checking/monitoring framework
  • 5. Intelligent Capacity On Demand How is it working? • Scaling algorithm can use multiple factors. - Load average of the instance - Memory consumption of the instance - In-flight request count in LB • Capable of predicting future load - Real time analysis of current load status using CEP integration - Predict immediate future load based on CEP resulting streams
  • 6. Intelligent Capacity On Demand… Why should one care? • Maximize resource utilization • Easy to do capacity planning • Dynamic load based resource provisioning • Optimizing across multiple clouds What are the advantages? • Make DevOps life easy • More accurate capacity planning !
  • 7. Scalable and Dynamic Load Balancing How Scalable it is? • In theory infinite - horizontal scaling - limited by resource (instance capacity) availability How Dynamic it is? • Load Balancers are spawned dynamically - LB too is a cartridge • In case of multi-cloud, multi-region, LB can scale per cloud/region • Per service cluster LB
  • 8. Scalable and Dynamic Load Balancing… What is unique about Stratos? • Cartridge based LB model • Can bring any third-party LB - As easy as plugging into LB extension API - HAProxy, nginx, AWS ELB ! !
  • 9. Multi-tenancy What MT model does Stratos support? • Container MT - virtual Machine, LXC, Docker • In-container MT - within VM/LXC/Docker tenancy What are the advantage of this model? • Optimizing resource utilization - by sharing resource such as CPU, memory across tenants - low footprint, based on utilization/usage of the tenants app • No need dedicated resource allocation for tenants
  • 10. Logging, Metering and Monitoring What captured? • Instance up/down time • Each and every instances health status - application health, load average, memory consumption • Application logs What are the advantages? • DevOps life easy - centralize log viewer - centralize dashboard • Easy to throttling
  • 11. Cloud Bursting What is it? • Expanding/provisioning application into another cloud to handle peak load. Why Should one care? • Resource peak time can be off-loaded to third party clouds/ resources What is unique about Stratos? • Can off-load to any cloud - Private, Public and Hybrid • Easy to managed with the model of LB per busting cloud
  • 12. Cloud Bursting… What are the advantages? • Make DevOps life easy • Low TCO, and higher utilization existing dedicated resources ! ! ! !
  • 13. Thank you!

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