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What Is Windows Azure? It is an operating system for the cloud
It is designed for utility computing It provides facilities to:
Write your apps (developer experience) Host your apps (compute) Manage your apps (service management) Store your data (storage)
What Is An Operating System? An application execution environment
that abstracts away the hardware A shared file system with access control Resource allocation from a shared pool Support for powerful programming models Inter-operability with other systems
What Does An OS Buy You?
Scale (within limits) is freeHardware is someone else’s problemRunning an app == type foo.exe, hit Enter
What Is The Cloud? A set of connected servers On which developers can:
Install and run services Store and retrieve data
The Reality of Life In The CloudBusiness logic
Datacenter
Respond to hardware failures
Add storage capacity
Handle increase in traffic
Diagnose service failures
Apply OS patches
Perform live upgrade for new feature
Expand to new locale
Service “glue”and operations
…
The Reality of Life In The CloudScale is NOT freeHardware is NOT someone else’s problemRunning an app != type foo.exe, hit Enter
What's In The Cloud OS?An operating system that spans & controls a
set of connected servers:Abstract execution environmentShared file systemResource allocationProgramming environments
And more: Utility computing24/7 operationPay for what you useSimpler, transparent administration
What Does The Developer Get? A rich, familiar developer experience A powerful service execution environment
All of the hardware: servers; load balancers; … Virtualized and direct execution
Automated service management You define the rules and provide your code The platform follows the rules: deploys,
monitors, and manages your service Scalable, available cloud storage
Blobs, tables, queues, …
What Is Windows Azure? It is an operating system for the cloud It is designed for utility computing It provides facilities to:
Write your apps (developer experience) Host your apps (compute) Manage your apps (service management) Store your data (storage)
Developer ExperienceRich & Familiar
A cloud environment in the desktop SDK Support for a variety of languages
ASP.NET, .NET, native code, PHP, … An ecosystem of tools and support
Integration with Visual Studio, Eclipse, … Logging, alerts, tracing, … Samples, documentation, MSDN, forums, …
Geo-located applications More information: Attend T09F on 3/19
New @ Mix: Full Trust Applications are no longer restricted to run in
medium trustP/Invoke any native binaryUse more of the .NET stack, e.g. more of WCF
We support FastCGI, so you canAdd native handlers for languages to your appUse the fastCGI path from IIS to run your appe.g. PHP
New @ Mix: Geo-locationYour “cloud project” consists of applications:
0 or more compute services0 or more storage accounts
Windows Azure is in multiple “locales”You can:
Choose a locale for any of your applicationsCreate an “affinity group” to co-locate a set of
applications from your cloud projectAvailable thru developer portal in April
Service ManagementAutomated
What’s in the model? Service topology and size Resources Health constraints Configuration settings
Develop and Model
Deploy and Run
Maintain Service Health
StorageScalable & Available
Simple, essential storage abstractions: Large items of data: Blobs, file streams, … Service state: Simple tables, caches, … Service communication: Queues, locks, …
With an emphasis on: Massive scale, availability and durability Geo-location and geo-replication
This is not a relational database in the cloud More information: Attend T08F on 3/19
Speaking Of Database …
Your cloud services running on Windows Azure will have access to co-located relational database in the cloudThere are multiple target scenarios
More information: Attend T06F on 3/20
Putting It All TogetherArchitectures for scalable, reliable servicesExample:
Cloud Storage
Web RoleLB
n
Worker Role
m
Takeaways: Windows Azure Is
Designed to encourage best practices Stateless compute + durable storage Co-location of computation and data Queues for asynchronous processing
An open platform Connect outbound to any server Open protocols and APIs on all components