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Beyond Economics - Cloud as a Business Enabler
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Beyond Economics - Cloud as a Business Enabler
1.
Cloud as a
Business Enabler Moving Beyond Economics Open Source Junction 3 Paul Fremantle CTO, WSO2 paul@wso2.com @pzfreo #wso2 #qconlondon © WSO2 2012 @pzfreo #wso2
2.
© WSO2 2012
@pzfreo #wso2
3.
Elasticity
0à1 © WSO2 2012 @pzfreo #wso2
4.
? © WSO2 2012
@pzfreo #wso2
5.
Central Limit Theorem In
probability theory, the central limit theorem (CLT) states that the mean of a sufficiently large number of independent random variables, each with finite mean and variance, will be approximately normally distributed. © WSO2 2012 @pzfreo #wso2
6.
Cloud Economics • Public
Cloud economy is based on the Central Limit Theorem • For Private Clouds the CLT sucks* * Apologies for using technical jargon © WSO2 2012 @pzfreo #wso2 6
7.
Moore’s Law for
Data • The amount of data online went from – 5 exabytes in 2002 – 281 exabytes in 2009 • Doubled every 15 months • You cannot deal with this data growth with the same applications – A reasonable conclusion is that the number of applications will double every 15 months too © WSO2 2012 @pzfreo #wso2
8.
Application Development is
yet to have its Industrial Revolution The Industrial Revolution was driven by key technologies: • Componentization – making tools and products from re-usable, standardized components. • Which relied on standardized metrics/measures so that components could fit together • Factories – A large clean space where multiple parts of the production process could share light, power and management to create consistency and governance. • The IT industry is only just now reaching its industrial revolution. Open Standards are the metrics, Modularity Code and SOA are the componentization. Platform-as-a-Service is the Factory. © WSO2 2012 @pzfreo #wso2
9.
Enterprise Application Development
Challenges • Project Infrastructure takes too long to setup • Too many projects fall through the cracks and use non- standard infrastructure, build, governance • Projects use too many different unknown or unapproved libraries, frameworks, etc • No clear idea of which projects are at which stage • Few or no metrics on code quality, test coverage, re-use • Little automated build or test • Best practices are not applied everywhere • Infrastructure takes too long to setup © WSO2 2012 @pzfreo #wso2
10.
What is Cloud? •
Depends who you are – My daughter: iCloud (her music in the cloud) – My mum: gmail (her email in the cloud) – My VP sales: Salesforce (his prospects in the cloud) – Sysadmin: Amazon/Rackspace/etc (his infrastructure in the cloud) – *: what you care about, self-provisioned, managed, metered and paid per use, in the cloud © WSO2 2012 @pzfreo #wso2 10
11.
Cloud Native • Distributed/Dynamically
Wired (works properly in the cloud) • Supports deploying in a dynamically sized cluster • Finds services across applications even when they move • Elastic (Uses the cloud efficiently) • Scales up and down as needed • Works with the underlying IaaS • Multi-tenant (Only costs when you use it) • Virtual isolated instances with near zero incremental cost • Implies you have a proper identity model • Self-service (in the hands of users) • De-centralized creation and management of tenants • Automated Governance across tenants • Granularly Billed and Metered (pay for just what you use) • Allocate costs to exactly who uses them • Incrementally Deployed and Tested (seamless live upgrades) • Supports continuous update, side-by-side operation, in-place testing and incremental production © WSO2 2012 @pzfreo #wso2
12.
http://www.flickr.com/photos/ladymaggic/ © WSO2 2012
@pzfreo #wso2
13.
http://www.flickr.com/photos/jurvetson/ © WSO2 2012
@pzfreo #wso2
14.
PaaS
Software as a Service Custom- Dev Platform as a Service ization Ops Infrastructure as a Service © WSO2 2012 @pzfreo #wso2 14
15.
Evolving from different
strands • Evolving “upwards” from IaaS – Amazon • Queuing, Mail, Notification/Events, Databases, Workflow, etc • Elastic BeanStalk • Evolving “downwards” from SaaS – Force.com – a place to host additional per-tenant logic – Google App Engine • Evolving “sideways” from middleware Platforms – WSO2, Tibco, vmWare, Oracle, IBM © WSO2 2012 @pzfreo #wso2
16.
Amazon’s move to
become a PaaS • Simple Queue Service • Relational Data Service • Simple Notification Service • Simple Workflow Service • Mail Service • Elastic Beanstalk © WSO2 2012 @pzfreo #wso2
17.
Lock In © WSO2
2012 @pzfreo #wso2
18.
StratosLive – http://stratoslive.wso2.com ©
WSO2 2012 @pzfreo #wso2 18
19.
How do you
deal with multi- tenancy? • Separate hardware, separate VMs, separate containers, separate “zones” • Different techniques for different systems: – Java: thread isolation, classloaders, shared classloaders – Linux: LXC, chroot – MySQL, Oracle: create a DB per tenant – Cassandra: keyspace isolation © WSO2 2012 @pzfreo #wso2
20.
Run your own
PaaS? • Large enterprise with different groups of developers – Consistent runtime internally – Better utilization • Even more interesting: – Domain-specific PaaS – Vertical PaaS – Your Business As A Service © WSO2 2012 @pzfreo #wso2
21.
Vertical / Domain
PaaS Ecosystem Owner Partners Users aka “Your Business As A Service” Tenant Tenant Tenant Tenant Apps Apps Apps Apps PaaS API Management / API Store Existing business systems as APIs © WSO2 2012 @pzfreo #wso2
22.
How does it
work? • A set of integrated systems – e.g.: – Redmine, project management – SVN, Git – JIRA – Identity Server – Governance Registry – Maven – Stratos • Integrated using ESB and Business Process Server – Each system is connected via ESB – Simple BPEL workflows orchestrate activities © WSO2 2012 @pzfreo #wso2
23.
© WSO2 2012
@pzfreo #wso2
24.
Questions? © WSO2 2012
@pzfreo #wso2
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