This document provides an overview of Windows Azure services. It defines key cloud computing terms and describes the benefits of cloud computing. It explains that Windows Azure provides a cloud operating system for building scalable applications. The core services include web and worker roles, storage for blobs, tables and queues, and SQL Azure for relational data. It outlines the programming model and tools for developing applications on the Windows Azure platform.

1. Windows AZURE servicesVadymFedorov, July 2010

2. AgendaCloud Computing - Some termsWhy cloud computing?Windows AzureWhat is Azure Programmatically?Desktop And Related Azure ConceptsServices Provided and APIsToolsReference

3. Cloud Computing - Some termsTerm cloud is used as a metaphor for internetA model of computation and data storage based on “pay as you go” access to “unlimited” remote data center capabilitiesA cloud infrastructure provides a framework to manage scalable, reliable, on-demand access to applicationsConcept generally incorporates combinations of the followingInfrastructure as a service (IaaS)Platform as a service (PaaS)Software as a service(SaaS)Not to be confused withGrid Computing – a form of distributed computingCluster of loosely coupled, networked computers acting in concert to perform very large tasks

4. Details and Examples of Cloud

5. Why cloud computing?Data centers are notoriously underutilized, often idle 85% of the timeOver provisioningInsufficient capacity planning and sizingImproper understanding of scalability requirements etcOffers startups and SMB’s quick setup, scalability, flexibility and automated management. Pay as you go model helps startups to start small and go bigCost effective solutions to key business demandsMove workloads to improve efficiency

6. Windows AzureThe Windows Azure provides core technologies for building rich services on top of unreliable but scalable hardware (i.e., a cloud operating system)Supports building applications that scaleProgramming tools and interfaces are designed to be familiar to traditional desktop programmerIntroduce new concepts that are similar to existing ones at a different abstraction level

7. What is Azure Programmatically?Web Role (Web UI).Worker Role (similar to a windows service).Storage.Blobs.Data.Queues. – key to scalability.Browserp1 p2 p3N L BWeb RoleWorker RoleN L BBrowserAzureStorageWeb RoleBrowserWorker RoleBrowserWeb RoleWorker RoleBrowser

8. Desktop And Related Azure ConceptsDesktopWindows AzureEXEApplication ConfigurationManifestDLLWindows forms libraryWindows serviceLocal data storesService packageService configurationService definitionService roleWeb roleWorker roleInternet data stores

9. “Typical” Azure ApplicationYour DataWindows Azure PlatformWeb Site(ASPX, ASMX, WCF)Web Site(ASPX, ASMX, WCF)Web Role(ASPX, WCF, PhP)Your ApplicationQueuesWorker ServiceWorker RoleLBBlobsInternetLBTablesTriggersSPsViewsTablesYour Relational Data

10. Services Provided and APIsServicesWeb Applications (Web Role, Worker Role).Storage – File, Blobs, and Tables.Queues.Timed Processing.APIsREST based.High level library.ASP.NET Providers.

11. Service ConceptsService definitionDefines aspects of a service that cannot be changed without redeploymentTypes of roles and static role configurationSet of configuration settings for a roleContract with the environment code runsService configurationsDefines values for properties that can be dynamically updated for a running deploymentValues of a configuration parameterNumber of running instances

12. Web RoleWeb farm that handles request from the internetIIS7 hosted web coreHosts ASP.NETXML based configuration of IIS7 Integrated managed pipelineSupports SSLPublic InternetWeb RoleLoad BalancerStorage Services

13. Worker RoleNo inbound network connectionsCan read requests from queue in storage Public InternetWorker RoleStorage Service

14. Windows Azure Storage AbstractionsBlobs – provide a simple interface for storing named files along with metadata for the fileTables – provide structured storage. A table is a set of entities, which contain a set of propertiesQueues – provide reliable storage and delivery of messages for an application

15. Blobs stored in Containers1 or more Containers per accountScoping is at container level…/Container/blobpathBlobsCapacity 50GB in CTPMetadata, accessed independently name/value pairs (8kb total)Private or Public container accessUse Blobs for file systemBlobs

16. BlockBlobContainerAccount Blob Storage Concepts IMG001.JPGPicturesIMG002.JPGAccountBlock AAAAMoviesMOV1.AVIBlock AAABBlock AAAC

17. Simple asynchronous dispatch queueCreate and delete queuesMessage:Retrieved at least onceMax size 8kbOperations:EnqueueDequeueRemoveMessageQueues

18. Queue Storage ConceptsMessageQueueAccount128x128, http://…Thumbnail Jobs256x256, http://…Accounthttp://…Indexing Jobshttp://…

19. Entities and properties (rows & columns)Tables scoped by accountDesigned for billions+Scale-out using partitionsPartition key & row keyOperations performed on partitionsEfficient queriesNo limit on number of partitionsUse ADO.NET Data ServicesTables

20. Table Storage ConceptsEntityTableAccountName=…hash=…UsersName=…hash=…AccountTag=…id=…PhotoIndexTag=…,id=…

21. SQL AzureSQL Azure is an umbrella name for a group of cloud-based technologies for working with relational and other types of data. The first members of this family to appear are SQL Azure Database and “Huron” Data Sync. Familiar SQL Server relational modelUses existing APIs & toolsFriction free provisioning and reduced managementBuilt for the Cloud with availability and scaleAccessible to all from PHP, Ruby, and Java

22. ConstantsConstraintsCursorsIndex management and rebuilding indexesLocal temporary tablesReserved keywordsStored proceduresStatistics managementTransactionsTriggersTables, joins, and table variablesTransact-SQL language elementsUser-defined functionsViewsSQL Azure. Supported

23. Common Language Runtime (CLR)Database file placementDatabase mirroringDistributed queriesDistributed transactionsFilegroup managementFull Text SearchGlobal temporary tablesSpatial data and indexesSQL Server configuration optionsSQL Server Service BrokerSystem tablesTrace FlagsSQL Azure. Not supported

24. Only SQL Authentication.No exposing of the physical administrative functions.2 types of accounts:1GB databases.10GB databases.SQL Azure. Deeper look.

25. Windows Azure and SQL Azure

26. Developing – languages and toolsCodeSoftware Development KitPortalDataRelationalDataApiDevelopDeployRun

27. Software Development KitLocal MachineWindows Azure Simulation Environment Development StorageSQL Server ExpressDevelopment Fabric

28. ToolsDevelop locally.Visual Studio 2008/2010 Project Plugin.Development Storage.Development Fabric.Sql Server Express running locally.

29. Write Applications for Windows AzureWindows Azure PlatformEnd UsersMicrosoft Visual StudioDevelopment EnvironmentDevelopers

30. SummaryPaaS for Rapid Cloud Development, Deployment and MaintenanceFor .NET and… for not .NET A new programming modelWeb role Worker roleBlobs, Tables and queues

31. Official Microsoft Azure Site:http://www.microsoft.com/windowsazure/Windows Azure Training Kit:http://www.microsoft.com/downloads/details.aspx?FamilyID=413E88F8-5966-4A83-B309-53B7B77EDF78&displaylang=enWindows Azure Application. Riviera:http://code.msdn.microsoft.com/rivieraWindows Azure Application examples:http://blogs.msdn.com/goto100/archive/2009/12/23/multi-tenanted-applications-on-windows-azure-and-sql-azure-added-to-my-todo-list-for-2010.aspxReferences