Windows Azure

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Windows Azure

  1. 1. Windows AzureLunch + Learn 1.0
  2. 2. Outline• Introduction• Compute Services• Data Services• App Services• Demo of Co-op and TweetPush• Q&A
  3. 3. What is cloud computing?• Hardware and software resources thatare available over the Internet• Typically as a set of web services• Groups of resources are pooled into asingular entity• Enables quicker time to market• Lowers maintenance costs over time• Allows scalability as application needsincrease
  4. 4. Variations of cloud computing• IaaS/NaaS: Amazon AWS, OpenStack• Elasitic/scalable cloud agnostic VMs (typically pricedbased on size)• Supporting web services• PaaS: Windows Azure, Google App Engine, Heroku• Scalable cloud aware runtimes• Supporting web services• SaaS: Office 365, Google Apps• Managed web applications
  5. 5. Windows Azure• Announced PDC 2008• Proper CTP at PDC 2009• Deals with all the “enterprise” things you’d expect (e.g. georeplication/failover)• Number of different programming languages supported (C#, C++,Java, PHP, Ruby, Python, Node.js, etc.)• Native SDKs for many languages + REST API• Deep integration and tooling• Supports dim sum style integration
  6. 6. Azure Platform ServicesNative SDKs, REST APICloudServices(Web Role,Worker Role)SQLDatabaseStorage(Blob, Queues,Table)ServiceBusCaching
  7. 7. Azure as a “platform”The underlying Azure philosophy is to be the new cloud-awareoperating system of the Internet, a very different take from Amazon’sinitial stance.Traditional OS Azure OSApplication Executable Web RoleSystem Service (CRON Job) Worker RoleFile System Blob StorageDatabase SQL Database or Table Storage
  8. 8. Compute Services• Virtual Machines• Similar to Amazon, where it is essentially an elastic VPS• Deploy any image (not just Windows)• Can be securely connected to on-premises LAN• Cloud Services• Hosting container of custom code in either web or worker role instances• Provides load balancing, health monitoring, and integrated stagingenvironments• Managed via web interface or API• Can be securely connected to on-premises LAN
  9. 9. Compute Services (Continued)• Websites• Similar to Cloud Services web role, but more like shared hosting• Support for scaling horizontally• Support multiple languages and databases• Deploy via FTP upload, TFS, GIT• Provides “gallery” of pre-baked components (Wordpress blog, etc.)• Mobile Services• Native SDKs for Windows Phone, iOS, Android• User authentication via 3rd party (e.g. Google, Microsoft, Twitter, Facebook)• Push notification support
  10. 10. Data Services• SQL Database• Almost exactly like working with local SQL server• Automagically clustered and replicated for reliability and performance• Supports scheduled replication to “on-premises” SQL Server• Table Storage• NoSQL database for non-relational data up to 100TB• Replicated 3X across separate fault domains• Uses “partition” and “row” key to spatially separate data for parallel access• Limit of 1MB or 255 properties per row, 1000 rows per query• Only supports strings for keys and basic value-types for values
  11. 11. Data Services (Continued)• Blob Storage• Similar to a file system, but with SDK to read/write streams, HTTP available• Supports very large files• Comes with versioning support and metadata• Queues• Reliable messaging service• Support for small messages (< 64KB) in large queues (< 100TB)• Message is guaranteed to be delivered … at least once• Lease based access of messages (30 seconds – 7 days)• Ordering is not guaranteed
  12. 12. App Services• Media Services• Just too expensive to even talk about!• Content Delivery Network• One-click to add support to storage account• Caching• Per-role-instance caching or shared• Simple API for reading/writing object• Easy to integrate with ASP.NET session
  13. 13. App Services (Continued)• Service Bus• Reliable messaging service• Very similar to queues, but more robust• Supports medium messages (< 256 KB) in medium queues (< 5GB)• Message is guaranteed to be delivered … exactly once• Lock based access of messages (60 seconds w/ “renew” API call to extend)• Ordering is FIFO guaranteed
  14. 14. Demo time!A quick walkthrough of some actual code…
  15. 15. Q&AThere are no stupid questions….

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