Windows Azure Platform Second Edition

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1 Windows Azure Platform Second Edition Tejaswi Redkar Tony Guidici

2 Windows Azure Platform

3 I dedicate this book to my late grandfather, Shri. Sharad Atmaram Redkar. My name is his creation. I thank my wife, Arohi, and my sons Aaryan (Heart-of-Gold) and Dhruv for giving me the liberty to do what I love. I also thank my sister Aasawari for being with me when I needed her. I thank my parents for all their teachings. Finally, I thank God for gifting me with the people I love. Tejaswi Redkar This book is dedicated to my father, James Guidici, for being the first major technical influence in my life in particular for buying me my first computer (a Texas Instruments TI-99/4A), teaching me how to write GOTO loops, and how to dial into BBSes on my IBM PCJr. Your passion for technology spurred a lifetime love of technology in me. More important, I thank you for being an outstanding role model and for showing me how to be a good man and good father. I thank my mother, Deborah Guidici, for always believing that I could accomplish anything. Her confidence and encouragement helped me to tackle challenges I wouldn t have thought possible, such as writing a book. To my wife of nearly 15 years, Jenifer, thank you for supporting me during the writing of this book. There aren t enough words to describe my gratitude for the sacrifices you ve made to support my career and our family. You are truly amazing. To my sons, Joseph and Nicholas, you are my daily inspiration. I hope that you grow up with the same belief that I did, that you can accomplish anything as long as you reach for the stars, and you should never settle for less than your best. Tony Guidici

4 Contents at a Glance About the Authors... xvi About the Technical Reviewer... xvii Acknowledgments... xviii Introduction... xx Chapter 1: Windows Azure Platform Overview...1 Chapter 2: Windows Azure Compute...49 Chapter 3: Windows Azure Storage Part I Blobs and Drives Chapter 4: Windows Azure Storage Part II Queues Chapter 5: Windows Azure Storage Part III Tables Chapter 6: VM Role and Windows Azure Connect Chapter 7: AppFabric: Access Control Service Chapter 8: AppFabric Service Bus Chapter 9: AppFabric: Caching Chapter 10: SQL Azure Index...561

5 Contents About the Authors... xvi About the Technical Reviewer... xvii Acknowledgments... xviii Introduction... xx Chapter 1: Windows Azure Platform Overview...1 Introducing Cloud Services...1 Industry Terminology... 2 Cloud Service Providers... 5 Shifting to the Cloud Paradigm...6 Understanding the Cloud Services Ecosystem...8 Service Providers... 8 Software Vendors... 8 Independent Software Vendors... 8 Enablers... 9 Businesses... 9 Microsoft s Cloud Strategy...9 Windows Azure Platform Overview...10 Understanding Windows Azure Compute Architecture Windows Azure...15 Compute... 18

6 Windows Azure Storage Management SQL Azure...28 Windows Azure AppFabric...32 Windows Azure Platform Pricing...34 Management Portal Let s Provision...38 Windows Azure Marketplace DataMarket...41 Windows Azure Platform Common Scenarios...43 Foundational Scenarios Enterprise Scenarios ISV Scenarios Summary...46 Bibliography...46 Chapter 2: Windows Azure Compute...49 Compute Service...49 Upgrade Domains and Fault Domains Compute Service Security Developing Windows Azure Services...58 Windows Azure API Structure Developer Environment Windows Azure SDK Tools Service Models Development Fabric Development Storage Diagnostics...94 Logging... 96

7 Developing Windows Azure Services with Inter-Role Communication Objectives Adding Diagnostics and Inter-role Communication Running the HelloAzureCloud Service Publishing to Windows Azure Cloud Geo-location Enabling Geographic Affinity Windows Azure Service Management Service Management API Structure Programming with the Service Management API Windows Azure Service Development Life Cycle Architectural Advice Summary Bibliography Chapter 3: Windows Azure Storage Part I Blobs and Drives Storage Service Taxonomy Storage Service Architecture The Blob Service Blob Limitations and Constraints Blob Architecture Windows Azure Storage Account Containers Blobs Types of Blobs REST API Request Response

8 Storage Client API Account Operations Programming Example Container Operations Create Container Set Container Metadata List Blobs Blob Operations Put Blob Get Blob Copy Blob Content Delivery Network (CDN) Windows Azure Drives Overview Drive Operations Windows Azure Drives Scenarios Blob Storage Scenarios Massive Data Uploads Storage as a Service in the Cloud Enterprise File Sync Summary Bibliography Chapter 4: Windows Azure Storage Part II Queues Queue Limitations and Constraints Queue Service Architecture Windows Azure Storage Account Queues

9 Messages REST API Request Response Storage Client API Account Operations Queue Operations Create Queue Set Queue Metadata Message Operations Put Message Get Messages Asynchronous API Queue Scenarios Scenario 1: Windows Azure Web and Worker Role Communications Scenario 2: Worker Role Load Distribution Scenario 3: Interoperable Messaging Scenario 4: Guaranteed Processing Summary Bibliography Chapter 5: Windows Azure Storage Part III Tables Table Service Architecture REST API Example Table Model Account Operations Table Operations Entity Operations

10 Storage Analytics Logging Metrics Enabling Storage Analytics Table Storage versus SQLAzure Table Service Scenarios Scenario 1: Reading Performance Counters from Table Storage Scenario 2: Paging in Table storage Summary Bibliography Chapter 6: VM Role and Windows Azure Connect VM Role VM Role Benefits/Tradeoffs Scenarios Creating the Virtual Machine Windows Azure VM Role Integration Components Upload Image to Windows Azure Windows Azure Connect Windows Azure Connect vs. Service Bus Provisioning Windows Azure Connect Activated Endpoints, Groups, and Roles Installing and Activating an Azure Endpoint on a Local Machine Enabling Windows Azure Connect for a Role Creating Connect Groups Summary Bibliography...325

11 Chapter 7: AppFabric: Access Control Service What Is Your Digital Identity? What Are Claims? Claims-Based Identity Model Access Control Service Usage Scenarios Scenario 1: Enterprise Cloud Application Scenario 2: Cross-Enterprise Application Scenario 3: ISV Cloud Service Retrieving Tokens from ACS Access Control Service Management Portal Provisioning Your ACS Service Namespace Identity Providers Relying Party Rule Groups Certificates and Keys Service Identities Portal Administrators Management Service Application Integration Programming Access Control Service Applications Passive Federation with ACS Web Application: Multiple Identity Providers using ACS Adding a WS-Federation Provider Summary Concepts and Terminology Identity Provider Relying Party

12 Security Token (SAML Token) Secure Token Service (STS) Request for Security Token (RST) Request Security Token Response (RSTR) Claim Identity Federation Windows Identity Foundation (WIF) Active Directory Federation Server (ADFS 2.0) Web Resource Authorization Protocol (WRAP) and Simple Web Token (SWT) Bibliography Chapter 8: AppFabric Service Bus First, a Little Background Enterprise Service Bus (ESB) Security and Access Control Connectivity Infrastructure Enterprise Naming Scheme Interface Contracts Evolution of the Internet Service Bus (ISB) Relay Service Introduction to the AppFabric Service Bus Security Naming Service Service Registry Messaging Fabric Programming with the AppFabric Service Bus ProAzure Energy Service Example NetOnewayRelayBinding neteventrelaybinding

13 NetTcpRelayBinding HTTP Relay Bindings Message Buffer Programming Message Buffer Applications AppFabric Messaging: Queues and Topics AppFabric Service Bus Queues AppFabric Service Bus Queues vs. Azure Storage Queues AppFabric Service Bus Topics Subscription Rules Programming Service Bus Queues and Topics NET Client API REST API Summary Bibliography Chapter 9: AppFabric: Caching AppFabric Caching vs. Other Cache Providers Provisioning an AppFabric Cache AppFabric Cache Clients Assembly References Configuring the Cache Client Programming AppFabric Cache ASP.NET Session State Provider Enabling Session State in AppFabric Cache Enabling ASP.NET Output Cache in AppFabric Cache Summary Bibliography...495

14 Chapter 10: SQL Azure SQL Azure Overview SQL Azure Architecture Infrastructure Layer Platform Layer Services Layer Client Layer SQL Azure Limitations and Supported Features Database Features Application Features Administration Features SQL Azure Data Access Code-Near Connectivity Code-Far Connectivity Getting Started with SQL Azure Creating a SQL Azure Server Creating a SQL Azure Database Connecting to a SQL Azure Database Developing Windows Azure Services That Use SQL Azure Service Description Processes for Curtailment Technical Architecture Pricing and Gateway Database Design Database-Migration Strategies Data Definition Migration Data Migration Business Logic Migration Application Migration

15 Database Growth-Management Strategies SQL Azure Reporting Sample Report Creating Reports SSRS Feature Fidelity Data Sync Data Sync Design Synchronization Options Summary Bibliography Index...561

16 About the Authors Tejaswi Redkar Tony Guidici

17 About the Technical Reviewer Todd Meister

18 Acknowledgments

20 Introduction

Programming Microsoft's Clouds

Programming Microsoft's Clouds WINDOWS AZURE AND OFFICE 365 Thomas Rizzo Razi bin Rais Michiel van Otegem Darrin Bishop George Durzi Zoiner Tejada David Mann WILEY John Wiley & Sons, Inc. INTRODUCTION