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Last Updated: May. 2014
Lakmal Warusawithana
Demystifying the Cloud
**
About the Presenter
Lakmal Warusawithana
Vise President, Apache Stratos
Director - Cloud Architecture, WSO2 Inc
lakmal@apache.org / lakmal@wso2.com
**
About WSO2
๏ Global enterprise, founded in
2005 by acknowledged leaders in
XML, web services technologies,
standards and open source
๏ Provides only open source
platform-as-a-service for private,
public and hybrid cloud
deployments
๏ All WSO2 products are 100% open
source and released under the
Apache License Version 2.0.
๏ Is an Active Member of OASIS,
Cloud Security Alliance, OSGi
Alliance, AMQP Working Group,
OpenID Foundation and W3C.
๏ Driven by Innovation
๏ Launched first open source API
Management solution in 2012
๏ Launched App Factory in 2Q 2013
๏ Launched Enterprise Store and
first open source Mobile solution
in 4Q 2013
**
What WSO2 delivers
**
Business Model
**
๏ Introduction to Cloud
๏ Essential Elements of the Cloud
๏ WSO2 Cloud Offering
๏ Apache Stratos
๏ WSO2 Private PaaS
๏ WSO2 App Factory
๏ WSO2 Cloud Demo
Agenda
**
What is the Middleware Platform
**
What is the Middleware Platform
**
What is Platform as Service
**
๏ Load balancing
๏ Autoscaling
๏ Multi-tenancy
๏ Cloud Bursting
๏ Logging
๏ Metering
๏ Monitoring
๏ Security
๏ Self Provisioning
๏ Availability
Essential Elements of the Cloud
**
๏ Load balancers distribute incoming traffic into relevant
service node, clusters or application
๏ Its maximise the throughput, minimise the response time
๏ Load balancing algorithms - round robin, random, fastest,
least connections ...etc
๏ Provide mechanism to scale application based on load
๏ Service aware load balancing
๏ Tenant aware load balancing
Load Balancing
**
Load Balancing...
**
๏ Scale up system when the load increases
๏ Scale down the system when the load decreases
๏ Should not have idling nodes
๏ Pay only for actual computing power and bandwidth
utilized
๏ Cloud independant autoscaling
Autoscaling
**
Autoscaling...
Deploying service into a cloud
**
Autoscaling...
Deploying service into a cloud
**
Autoscaling...
Deploying service into a cloud
**
Autoscaling...
Deploying service into a cloud
**
Autoscaling...
Autoscaling - Steady Load
**
Autoscaling...
Autoscaling - Load Increasing
**
Autoscaling...
Autoscaling - Load Increasing
**
Autoscaling...
Autoscaling - Steady Load
**
Autoscaling...
Autoscaling - Load Decreasing
**
Autoscaling - Load Decreasing
Autoscaling...
**
Multi Tenancy
๏ Container MT
- virtual Machine, LXC, Docker, Physical hardware
๏ In-container MT
- within VM/LXC/Docker tenancy
๏ Can have high tenant density
๏ Optimizing resource utilization
- by sharing resource such as CPU, memory across
tenants
- low footprint, based on utilization/usage of the
tenants app
**
Cloud Bursting
๏ What is cloud bursting? and why someone need?
๏ Expanding/provisioning application into another cloud
to handle peak load.
๏ Resource peak time can be off-loaded to third party
clouds/resources
๏ Can off-load to any cloud
- Private, Public and Hybrid
๏ Low TCO, and higher utilization existing dedicated
resources
**
Logging, Metering and Monitoring
๏ Instance up/down time
๏ Each and every instances health status
- application health, load average, memory
consumption
- Application logs
๏ Centralize view for all logging, metering and monitoring
๏ Centralize log viewer, centralize dashboard
๏ Throttling - restrict tenants from using more than
allocated resources
**
WSO2 Cloud Offering
**
Apache Stratos
๏ Apache Stratos is a highly-extensible Platform-as-a-
Service (PaaS) framework that helps run Apache
Tomcat, PHP, and MySQL applications and can be
extended to support many more environments on all
major cloud infrastructures
๏ Stratos initially develop by WSO2 and last year donated
to Apache Software Foundation
๏ After successfully complete the incubating process
Stratos now graduated as Top Level Project
**
Apache Stratos
**
Apache Stratos - Advanced Features
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
**
Apache Stratos - Advanced Features
Multi-factored Autoscaling
๏ Scaling algorithm can use multiple factors. such as
- 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
- Predicting equation s=ut + ½ at2
- s=predicted load, u=first derivative of current
average load, t= time interval , a=second derivative
of current load
**
WSO2 Private PaaS
๏ The WSO2 Private PaaS is a complete, enterprise-grade
solution, offering an open Platform as a Service (PaaS)
๏ At the core of WSO2 Private PaaS 4.0.0, lies Apache
Stratos 4.0.0 , providing cloud-native capabilities such
as multi-tenancy, elastic scaling, self-service
provisioning, metering, billing and resource pooling
among several other functionalities
๏ More significantly, it also adds functionality to host pre-
integrated, fully multi-tenant WSO2 Carbon
middleware products as cartridges that deliver a range
of cloud PaaS services
WSO2 App Factory
WSO2 App Factory
**
Shape The Cloud
**
WSO2 Cloud Preview
Demo
https://cloudpreview.wso2.com/
Contact us !

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Demystifying the cloud

  • 1. Last Updated: May. 2014 Lakmal Warusawithana Demystifying the Cloud
  • 2. ** About the Presenter Lakmal Warusawithana Vise President, Apache Stratos Director - Cloud Architecture, WSO2 Inc lakmal@apache.org / lakmal@wso2.com
  • 3. ** About WSO2 ๏ Global enterprise, founded in 2005 by acknowledged leaders in XML, web services technologies, standards and open source ๏ Provides only open source platform-as-a-service for private, public and hybrid cloud deployments ๏ All WSO2 products are 100% open source and released under the Apache License Version 2.0. ๏ Is an Active Member of OASIS, Cloud Security Alliance, OSGi Alliance, AMQP Working Group, OpenID Foundation and W3C. ๏ Driven by Innovation ๏ Launched first open source API Management solution in 2012 ๏ Launched App Factory in 2Q 2013 ๏ Launched Enterprise Store and first open source Mobile solution in 4Q 2013
  • 6. ** ๏ Introduction to Cloud ๏ Essential Elements of the Cloud ๏ WSO2 Cloud Offering ๏ Apache Stratos ๏ WSO2 Private PaaS ๏ WSO2 App Factory ๏ WSO2 Cloud Demo Agenda
  • 7. ** What is the Middleware Platform
  • 8. ** What is the Middleware Platform
  • 9. ** What is Platform as Service
  • 10. ** ๏ Load balancing ๏ Autoscaling ๏ Multi-tenancy ๏ Cloud Bursting ๏ Logging ๏ Metering ๏ Monitoring ๏ Security ๏ Self Provisioning ๏ Availability Essential Elements of the Cloud
  • 11. ** ๏ Load balancers distribute incoming traffic into relevant service node, clusters or application ๏ Its maximise the throughput, minimise the response time ๏ Load balancing algorithms - round robin, random, fastest, least connections ...etc ๏ Provide mechanism to scale application based on load ๏ Service aware load balancing ๏ Tenant aware load balancing Load Balancing
  • 13. ** ๏ Scale up system when the load increases ๏ Scale down the system when the load decreases ๏ Should not have idling nodes ๏ Pay only for actual computing power and bandwidth utilized ๏ Cloud independant autoscaling Autoscaling
  • 23. ** Autoscaling - Load Decreasing Autoscaling...
  • 24. ** Multi Tenancy ๏ Container MT - virtual Machine, LXC, Docker, Physical hardware ๏ In-container MT - within VM/LXC/Docker tenancy ๏ Can have high tenant density ๏ Optimizing resource utilization - by sharing resource such as CPU, memory across tenants - low footprint, based on utilization/usage of the tenants app
  • 25. ** Cloud Bursting ๏ What is cloud bursting? and why someone need? ๏ Expanding/provisioning application into another cloud to handle peak load. ๏ Resource peak time can be off-loaded to third party clouds/resources ๏ Can off-load to any cloud - Private, Public and Hybrid ๏ Low TCO, and higher utilization existing dedicated resources
  • 26. ** Logging, Metering and Monitoring ๏ Instance up/down time ๏ Each and every instances health status - application health, load average, memory consumption - Application logs ๏ Centralize view for all logging, metering and monitoring ๏ Centralize log viewer, centralize dashboard ๏ Throttling - restrict tenants from using more than allocated resources
  • 28. ** Apache Stratos ๏ Apache Stratos is a highly-extensible Platform-as-a- Service (PaaS) framework that helps run Apache Tomcat, PHP, and MySQL applications and can be extended to support many more environments on all major cloud infrastructures ๏ Stratos initially develop by WSO2 and last year donated to Apache Software Foundation ๏ After successfully complete the incubating process Stratos now graduated as Top Level Project
  • 30. ** Apache Stratos - Advanced Features 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
  • 31. ** Apache Stratos - Advanced Features Multi-factored Autoscaling ๏ Scaling algorithm can use multiple factors. such as - 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 - Predicting equation s=ut + ½ at2 - s=predicted load, u=first derivative of current average load, t= time interval , a=second derivative of current load
  • 32. ** WSO2 Private PaaS ๏ The WSO2 Private PaaS is a complete, enterprise-grade solution, offering an open Platform as a Service (PaaS) ๏ At the core of WSO2 Private PaaS 4.0.0, lies Apache Stratos 4.0.0 , providing cloud-native capabilities such as multi-tenancy, elastic scaling, self-service provisioning, metering, billing and resource pooling among several other functionalities ๏ More significantly, it also adds functionality to host pre- integrated, fully multi-tenant WSO2 Carbon middleware products as cartridges that deliver a range of cloud PaaS services