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  • 1. Windows AZURE services
    VadymFedorov, July 2010
  • 2. Agenda
    Cloud Computing - Some terms
    Why cloud computing?
    Windows Azure
    What is Azure Programmatically?
    Desktop And Related Azure Concepts
    Services Provided and APIs
    Tools
    Reference
  • 3. Cloud Computing - Some terms
    Term cloud is used as a metaphor for internet
    A model of computation and data storage based on “pay as you go” access to “unlimited” remote data center capabilities
    A cloud infrastructure provides a framework to manage scalable, reliable, on-demand access to applications
    Concept generally incorporates combinations of the following
    Infrastructure as a service (IaaS)
    Platform as a service (PaaS)
    Software as a service(SaaS)
    Not to be confused with
    Grid Computing – a form of distributed computing
    Cluster 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 time
    Over provisioning
    Insufficient capacity planning and sizing
    Improper understanding of scalability requirements etc
    Offers startups and SMB’s quick setup, scalability, flexibility and automated management. Pay as you go model helps startups to start small and go big
    Cost effective solutions to key business demands
    Move workloads to improve efficiency
  • 6. Windows Azure
    The 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 scale
    Programming tools and interfaces are designed to be familiar to traditional desktop programmer
    Introduce 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.
    Browser
    p1 p2 p3
    N L B
    Web Role
    Worker Role
    N L B
    Browser
    AzureStorage
    Web Role
    Browser
    Worker Role
    Browser
    Web Role
    Worker Role
    Browser
  • 8. Desktop And Related Azure Concepts
    Desktop
    Windows Azure
    EXE
    Application Configuration
    Manifest
    DLL
    Windows forms library
    Windows service
    Local data stores
    Service package
    Service configuration
    Service definition
    Service role
    Web role
    Worker role
    Internet data stores
  • 9. “Typical” Azure Application
    Your Data
    Windows Azure Platform
    Web Site
    (ASPX, ASMX, WCF)
    Web Site
    (ASPX, ASMX, WCF)
    Web Role
    (ASPX, WCF, PhP)
    Your Application
    Queues
    Worker Service
    Worker Role
    LB
    Blobs
    Internet
    LB
    Tables
    Triggers
    SPs
    Views
    Tables
    Your Relational Data
  • 10. Services Provided and APIs
    Services
    Web Applications (Web Role, Worker Role).
    Storage – File, Blobs, and Tables.
    Queues.
    Timed Processing.
    APIs
    REST based.
    High level library.
    ASP.NET Providers.
  • 11. Service Concepts
    Service definition
    Defines aspects of a service that cannot be changed without redeployment
    Types of roles and static role configuration
    Set of configuration settings for a role
    Contract with the environment code runs
    Service configurations
    Defines values for properties that can be dynamically updated for a running deployment
    Values of a configuration parameter
    Number of running instances
  • 12. Web Role
    Web farm that handles request from the internet
    IIS7 hosted web core
    Hosts ASP.NET
    XML based configuration of IIS7
    Integrated managed pipeline
    Supports SSL
    Public Internet
    Web Role
    Load
    Balancer
    Storage Services
  • 13. Worker Role
    No inbound network connections
    Can read requests from queue in storage
    Public Internet
    Worker Role
    Storage Service
  • 14. Windows Azure Storage Abstractions
    Blobs – provide a simple interface for storing named files along with metadata for the file
    Tables – provide structured storage. A table is a set of entities, which contain a set of properties
    Queues – provide reliable storage and delivery of messages for an application
  • 15. Blobs stored in Containers
    1 or more Containers per account
    Scoping is at container level
    …/Container/blobpath
    Blobs
    Capacity 50GB in CTP
    Metadata, accessed independently
    name/value pairs (8kb total)
    Private or Public container access
    Use Blobs for file system
    Blobs
  • 16. Block
    Blob
    Container
    Account
    Blob Storage Concepts
    IMG001.JPG
    Pictures
    IMG002.JPG
    Account
    Block AAAA
    Movies
    MOV1.AVI
    Block AAAB
    Block AAAC
  • 17. Simple asynchronous dispatch queue
    Create and delete queues
    Message:
    Retrieved at least once
    Max size 8kb
    Operations:
    Enqueue
    Dequeue
    RemoveMessage
    Queues
  • 18. Queue Storage Concepts
    Message
    Queue
    Account
    128x128, http://…
    Thumbnail Jobs
    256x256, http://…
    Account
    http://…
    Indexing Jobs
    http://…
  • 19. Entities and properties (rows & columns)
    Tables scoped by account
    Designed for billions+
    Scale-out using partitions
    Partition key & row key
    Operations performed on partitions
    Efficient queries
    No limit on number of partitions
    Use ADO.NET Data Services
    Tables
  • 20. Table Storage Concepts
    Entity
    Table
    Account
    Name=…hash=…
    Users
    Name=…hash=…
    Account
    Tag=…id=…
    PhotoIndex
    Tag=…,id=…
  • 21. SQL Azure
    SQL 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 model
    Uses existing APIs & tools
    Friction free provisioning and reduced management
    Built for the Cloud with availability and scale
    Accessible to all from PHP, Ruby, and Java
  • 22. Constants
    Constraints
    Cursors
    Index management and rebuilding indexes
    Local temporary tables
    Reserved keywords
    Stored procedures
    Statistics management
    Transactions
    Triggers
    Tables, joins, and table variables
    Transact-SQL language elements
    User-defined functions
    Views
    SQL Azure. Supported
  • 23. Common Language Runtime (CLR)
    Database file placement
    Database mirroring
    Distributed queries
    Distributed transactions
    Filegroup management
    Full Text Search
    Global temporary tables
    Spatial data and indexes
    SQL Server configuration options
    SQL Server Service Broker
    System tables
    Trace Flags
    SQL 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 tools
    Code
    Software Development Kit
    Portal
    Data
    Relational
    Data
    Api
    Develop
    Deploy
    Run
  • 27. Software Development Kit
    Local Machine
    Windows Azure Simulation Environment
    Development Storage
    SQL Server Express
    Development Fabric
  • 28. Tools
    Develop locally.
    Visual Studio 2008/2010 Project Plugin.
    Development Storage.
    Development Fabric.
    Sql Server Express running locally.
  • 29. Write Applications for Windows Azure
    Windows Azure Platform
    End Users
    Microsoft Visual Studio
    Development Environment
    Developers
  • 30. Summary
    PaaS for Rapid Cloud Development, Deployment and Maintenance
    For .NET and… for not .NET 
    A new programming model
    Web role
    Worker role
    Blobs, 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=en
    Windows Azure Application. Riviera:
    http://code.msdn.microsoft.com/riviera
    Windows 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.aspx
    References