The Open PaaS Stack

Guy Korland

AGENDA PaaS, Defined Different Paths to PaaS What’s Missing? A (Slightly) Different Approach

THE CLOUD STACK - RECAP Manage applications and services Provision hosts/VMs

A PAAS TO SUCCESS?“There is a difference between knowing the PaaSand walking the PaaS…” Morpheus (with slight adaptations…)What do YOU expectout of PaaS?

WHAT DO I EXPECT OUT OF PAAS? I want to deploy my app (regardless of the stack I’m using)

WHAT DOES PAAS REALLY MEAN? Without fiddling with tedious installations of OS & middleware

WHAT DOES PAAS REALLY MEAN? Or host setup & provisioning 7

WHAT DOES PAAS REALLY MEAN?But still maintain the same development practices, full visibility, control & security

WHAT DOES PAAS REALLY MEAN? I want to be productive!

MANY PATHS TO PAAS

GOOGLE APP ENGINE

CONTROL ASSUMPTIONS Servers  Application Code Operating system – Selecting the language and stack of choice (Java/Python) Language (Java, Python, Go) Middleware stack (data store, app server, …) Architecture Scaling (Quotas: CPU, memory, network,..)

HEROKU

CONTROL ASSUMPTIONS Servers  Application Code Operating system  Selecting the middleware Language stack from a predefined list (Ruby/Java/Python/Scala/Clojure/NodeJS) Middleware stack (DB, app server, …) – Multiple choices, plugins Architecture Performance (Dyno)

AWS ELASTIC %

Control Assumptions Servers  Application Code Operating system  Selecting the middleware Language (Java, .NET, PHP) stack (anything beyond Apache/IIS) Middleware stack (tomcat, RDS, …)  OS configuration (if you want) – Can be easily extended  Performance Architecture (Web)  JVM tuning/configuration Storage

PRODUCTIVITY MYTHS You have to give up control for “…developing on GAE more simplicity introduced such a  Not always… design complexity that working around it pushes us 5 months Less code = more productivity behind schedule.”  Productivity is measured by units of features being delivered (not lines of code) Opinionated architectures (e.g. RoR/Grails) are extremely productive Carlos Bles post Goodbye Google App Engine

Head to Head ComparisonGAE, Heroku Amazon Top-down sandbox  Bottom-up approach approach  Designed for extreme Highly opinionated simplicity with a Extreme simplicity at the significantly higher degree expense of user control of control Only “long tail”, Fits a larger simple applications spectrum of apps

BUT STILL… Current offerings are limited by  The stacks they support  The environment on which they run Is this enough?

So What Makes for the Ideal PaaS?

OPEN any Stack, any Cloud (& OpenSource)

NON-INTRUSIVE Your app stays as is, you shouldn’t change the way you code

EXTENSIBLE Role your own stacks & auto-scaling rules

MANY PATHS TO PAAS

CLOUDFOUNDRY27

OPENSHIFT28

THE CHALLENGE (REALITY CHECK).. “Majority of businesses are planning to move their mission- critical apps to the cloud over the next two to five years” (HP Survey amongst 940 Need Responders) Only 5 percent have been able to migrate at least half of their applications to the cloud. By Reality the end of 2012, that number is expected to rise to 20% (Cisco Survey , 1300 Responders)29

CLOUDIFY30

CLOUDIFY31

Thank You!33

The Open PaaS Stack

by Guy Korland on May 31, 2012

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