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Cloud computing requires a new approach to the application development process. Rapid software delivery is a critical factor for success--companies need to focus on streamlining and removing the friction. In order to meet the fast pace of innovation enabled by cloud computing, a microservices approach to application design has emerged. With a microservices architecture, the application is comprised of a number of small, independent composable services. Each microservice is focussed on an individual targeted business capability and has no effect on the other services, allowing each microservice toRegister for the Stackato Webinar: Microservices not Monoliths be deployed, scaled, and managed independently. This new approach is in contrast to the more traditional 3-tier architecture style of application development. Around for decades, this traditional approach required the entire application to be redeployed if any change was made to one of the tiers, and needed to be supported by a large product team. Join ActiveState Technology Evangelists, John Wetherill and Phil Whelan, as they discuss: What are microservices? Comparing microservices with traditional monolithic applications Benefits and pitfalls of adopting microservices Architecture practices and techniques essential for microservices adoption How the DevOps culture enables success Lessons learned by corporations who have adopted microservices The relationship between PaaS and microservices Stackato features that enable microservices http://www.activestate.com/webinars/using-paas-enable-microservices-architecture
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Microservices not MonolithsPhil WhelanTechnology Evangelist@philwhln
John WetherillTechnology Evangelist@bcferrycoder
September 2014
activestate.com/stackato | @activestate | #stackato | activestate.com/blog | Copyright 2014
Presenters
Phil WhelanTechnology Evangelist@philwhln
John WetherillTechnology
Evangelist@bcferrycoder
activestate.com/stackato | @activestate | #stackato | activestate.com/blog | Copyright 2014
Agenda
● Monoliths
● Benefits
● Challenges and Pitfalls
● Evolving Practices
● Testing
● Deployment and DevOps
● PaaS
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Recent Events
DevOps Days Boston
VMWorld US 2014
OpenStack Silicon Valley
Microservices Meetup
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Monoliths
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Monoliths
Monolithic Applications
●Complexity is internal
●Multiple large and coordinating teams
●Huge codebases packaged as single .war file
●Easier in short term to get code out the door
●Long complex release and deploy cycles
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Benefits
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Benefits
● Small Focused Teams
● Use the Right Tool (language/db) for the Job
● Independent Updates
● Empower Developers
● Rapid Delivery Cycle
● Enforces Strong Design
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Challenges
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Challenges
● Increased Complexity
● Conceptualization/Visualization
● Immature Toolsets
● Culture Shock
● Lack of Experience/Knowledge
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Evolving Practices
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Evolving Practices
● Immutable Code Service Patterns
● Avoid Trunk Conflicts
● Respect Human Attention Span
● Break Things Deliberately
● No Manual Anything
● Create and Curate Access Libraries
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Testing
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Testing
● More Complexity in Integration Testing
○ Grows Factorially O(n!)
● "Integrated Tests Are A Scam" - J.B. Rainsberger
● Pacts
● Consistent Environment
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Deployment and DevOps
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Deployment and DevOps
● DevOps Culture is a Must
● Invert Conway’s Law
● Eliminate Process
● Two Pizza Team Rule
● Developers Carry Pager
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PaaS
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PaaS
● Cluster Management
● Failover Resilience
● Routing and Load Balancing
● Deployment Automation
● Consistent Environments
● Self-Service
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PaaS
● Scalable out of the Gate - autoscaling
● Rollback
● Versioning
● Polyglot out of the Box
● Monitoring / Logging
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PaaS
● Provisioning Databases, Message Queues, etc
● Injecting Service Location and Credentials
● Service Discovery
● Immutable Service Patterns
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Related Blog Posts
activestate.com/blog
●Microservices and PaaS - Part I
○ Overview
●Microservices and PaaS - Part II
○ Evolving Practices
●Microservices and PaaS - Part III
○ Challenges
activestate.com/stackato | @activestate | #stackato | activestate.com/blog | Copyright 2014
Upcoming Blog Posts
activestate.com/blog
●Microservices and PaaS - Part IV
○ PaaS
●Microservices Resources
○ Other blog posts, videos etc
activestate.com/stackato | @activestate | #stackato | activestate.com/blog | Copyright 2014
Upcoming Events
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Upcoming Events
Cloud Connect (Interop)October 1 - 2
iTech Conference 2014October 9
Cloud Expo (DevOps Summit)November 4 - 6
October 27 - 29IT Cloud Computing Conference
Questions?
Learn morehttp://www.activestate.com/stackato
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