在微软平台上实现SOA : 基于.Net和Windows Azure

Foreword by S.Somasegar

Foreword by David Chappell

CHAPTER 1:Introduction

1.1 About this Book

1.2 Objectives of this Book

1.3 Who this Book is For

1.4 What this Book Does Not Cover

1.5 Prerequisite Reading

1.6 How this Book is Organized

Part I:Fundamentals

Chapter 3:SOA Fundamentals

Chapter 4:A Brief History of Legacy .NET Distributed Technologies

Chapter 5:WCF Services

Chapter 6:WCF Extensions

Chapter 7:.NET Enterprise Services Technologies

Chapter 8:Cloud Services with Windows Azure

Part II:Services and Service Composition

Chapter 9:Service-Orientation with .NET Part I:Service Contracts and Interoperability

Chapter 10:Service-Orientation with .NET Part II:Coupling,Abstraction,and Discoverability

Chapter 11:Service-Orientation with .NET Part III:Reusability and Agnostic Service Models

Chapter 12:Service-Orientation with .NET Part IV:Service Composition and Orchestration Basics

Chapter 13:Orchestration Patterns with WF

Chapter 14:Orchestration Patterns with BizTalk Server

Part III:Infrastructure and Architecture

Chapter 15:Enterprise Service Bus with BizTalk Server and Windows Azure

Chapter 16:Windows Azure Platform AppFabric Service Bus

Chapter 17:SOA Security with .NET and Windows Azure

Chapter 18:Service-Oriented Presentation Layers with .NET

Chapter 19:Service Performance Optimization

Chapter 20:SOA Metrics with BAM

Part IV:Appendices

Appendix A:Case Study Conclusion

Appendix B:Industry Standards Reference

Appendix C:Service-Orientation Principles Reference

Appendix D:SOA Design Patterns Reference

Appendix E:The Annotated SOA Manifesto

Appendix F:Additional Resources

1.7 How Principles and Patterns are Used in this Book

Sources

Reference Notation

1.8 Symbols,Figures,and Style Conventions

Symbol Legend

How Color is Used

Additional Information

Updates,Errata,and Resources(www.soabooks.com)

Master Glossary(www.soaglossary.com)

Referenced Specifications(www.soaspecs.com)

SOASchool.comTM SOA Certified Professional(SOACP)

The SOA Magazine(www.soamag.com)

Notification Service

CHAPTER 2:Case Study Background

2.1 How Case Studies Are Used

2.2 Case Study Background #1:Standard Mold

History

Technical Infrastructure

Business Goals and Obstacles

2.3 Case Study Background #2:Superior Stamping

History

Technical Infrastructure

Business Goals and Obstacles

PART I:FUNDAMENTALS

CHAPTER 3:SOA Fundamentals

3.1 Basic SOA Terminology

Service-Oriented Computing

Service-Orientation

Service-Oriented Architecture(SOA)

Services

Services as Components

Services as Web Services

Services as REST Services

Service Models

Agnostic Logic and Non-Agnostic Logic

Service Composition

Service Inventory

Service-Oriented Analysis

Service Candidate

Service-Oriented Design

Service Contract

Service-Related Granularity

SOA Design Patterns

3.2 Service-Oriented Computing Goals

Increased Intrinsic Interoperability

Increased Federation

Increased Vendor Diversification Options

Increased Business and Technology Domain Alignment

3.3 Further Reading

CHAPTER 4:A Brief History of Legacy .NET Distributed Technologies

4.1 Distributed Computing 101

Client-Server

Distributed Architecture

Service-Oriented Architecture

4.2 .NET Enterprise Services

It All Began with COM(and DCOM)

COM+ Services

.NET Assemblies

Distributed Transaction Coordinator

.NET Enterprise Services and Service-Orientation

4.3 .NET Remoting

.NET Remoting Architecture

Serializable Classes

Remotable Classes

Ordinary Classes

Hosting .NET Remoting Components

Windows Service

IIS Hosting Under ASP.NET

Hosting a .NET Remoting Component in a Console Application

.NET COM+ Services

.NET Remoting Configurations

Activation Types

Message Formats

Communication Protocols

Object Lifetime Management

.NET Remoting and Service-Orientation

4.4 Microsoft Messaging Queue(MSMQ)

The Queues

Sending and Receiving Messages

MSMQ and Service-Orientation

4.5 System.Transactions

Distributed Resource Transactions

Explicit and Implicit Programming Models

Ambient Transactions

4.6 Web Services(ASMX and WSE)

XML Web Services(ASMX)

The WebService Attribute

The WebMethod Attribute

Web Service Enhancements(WSE)

4.7 REST Service Processing with IHttpHandler

CHAPTER 5:WCF Services

5.1 Overview

5.2 Service Contracts with WCF

WCF Terminology

WCF Service Contract

Interface Contract

Operation Contract

Data Contract

Message Contract

Service Endpoint

The ServiceContract and OperationContract Attributes

Data Models and the DataContract Attribute

Messaging and the MessageContract Attribute

Service Endpoints and the endpoint Element

Address

Bindings

Contract

REST Service Classes and Attributes

The WebGet Attribute

The WebInvoke Attribute

WCF UriTemplate Attribute

Faults and the FaultContract Attribute

MEX Endpoints

Versioning Considerations

5.3 Service Implementation with WCF

Behaviors

Instancing

A Sample Implementation

5.4 Service Hosting with WCF

Self-Hosted Services

Managed Windows Services

IIS Process Boundary

Windows Activation Services(WAS)

Hosting REST Services

5.5 Service Consumers with WCF

Using the Service Metadata Tool

Writing the Proxy Class for a Service

Using the ChannelFactory Class

CHAPTER 6:WCF Extensions

6.1 WCF Security

Security Modes

Authorization

Federated Identity

6.2 WCF Transactions

Operation Attributes for Transactions

TransactionScopeRequired

TransactionAutoComplete

TransactionFlow

Service Attributes for Transactions

TransactionIsolationLevel

TransactionAutoCompleteOnSessionClose

TransactionTimeout

Durable Services

6.3 WCF Router

The RoutingService Class

Routing Contracts

Routing Configuration

Step 1:Define Endpoints

Step 2:Configure Service Behavior

Step 3:Enumerate Target Endpoints

Step 4:Define Message Filters

Step 5:Create a Filter Table

Fault Tolerance

6.4 WCF Discovery

Discovery Modes

Locating a Service Ad Hoc

Sending and Receiving Service Announcements

Discovery Proxies for Managed Discovery

Discovering from a Discovery Proxy

Implicit Service Discovery

6.5 WCF Extensibility

WCF Layers

Layered Extensibility

Channel Layer Extensibility

6.6 WCF Management Tools

Administration

Troubleshooting

Logging Messages

CHAPTER 7:.NET Enterprise Services Technologies

7.1 SQL Server

Native XML Web Services Support

Service Broker(SSB)

Query Notification

XML Support in SQL Server

7.2 Windows Workflow Foundation(WF)

WF Architecture

Workflows

Sequential Workflows

State Machine Workflows

Workflow Designer

Workflow Persistence(with WF)

Communicating with the Host Container

Activities

Workflow Runtime Environment

WF Programming Model

Passing Parameters into a Workflow Instance

Returning Parameters from a Workflow Instance

Workflow-Enabled Services

Versioning Orchestrations

WF Extensibility

Business Rules

7.3 Application Blocks and Software Factories

Application Blocks

Software Factories

Guidance Toolkits

Web Services Software Factory

7.4 Windows Server AppFabric

Configurable Hosting Environment

Workflow Persistence(with AppFabric)

In-Memory Application Cache Platform

Manageability Extensions

Application Server Event Collector

7.5 BizTalk Server

BizTalk Server Architecture

Messaging

Pipelines

Pipeline Components

Ports and Locations

Adapters

Context Properties

Itineraries

Unified Exception Management

CHAPTER 8:Cloud Services with Windows Azure

8.1 Cloud Computing 101

Cloud Deployment Models

Public Cloud

Private Cloud

Community Cloud

Other Deployment Models

The Intercloud(Cloud of Clouds)

Deployment Models and Windows Azure

Service Delivery Models

Infrastructure-as-a-Service(IaaS)

Platform-as-a-Service(PaaS)

Software-as-a-Service(SaaS)

Other Delivery Models

IaaS vsPaaS

8.2 Windows Azure Platform Overview

Windows Azure(Application Container)

SQL Azure

Windows Azure Platform AppFabric

8.3 Windows Azure Roles

Web Roles and Worker Roles

Virtual Machines

Input Endpoints

Inter-Role Communication

8.4 Hello World in Windows Azure

1.Create a Cloud Service Project

2.Choose an ASP.NET Web Role

3.Create the Solution

4.Instantiate the Service

8.5 A Web Service in Windows Azure

1.Create a Host Service and Storage Service

2.Create and Deploy a Service Package

3.Promote the Service to Production

8.6 A REST Service in Windows Azure

REST Service Addressing

Creating a Windows Azure REST Service

8.7 Windows Azure Storage

Tables

Entities and Properties

Data Access

Queues

Blobs

Block Blobs

Page Blobs

Windows Azure Drive

PART II:SERVICES AND SERVICE COMPOSITION

CHAPTER 9:Service-Orientation with .NET Part I:Service Contracts and Interoperability

9.1 Standardized Service Contract

Contract-First

1.Create or Reuse Data Contract

2.Create Message Contract

3.Create Interface Contract

Standardized Service Contract and Patterns

9.2 Canonical Schema

Creating Schemas with Visual Studio

Generating .NET Types

Using the DataContract Library

9.3 Data Model Transformation

Object-to-Object

LINQ-to-XML

XSLT Transformation

9.4 Canonical Protocol

Web Service

REST Service

Component

Another WCF Option:Named Pipes

Dual Protocols with WCF

9.5 Canonical Expression

Service Naming Conventions

Service Capability Naming Conventions

CHAPTER 10:Service-Orientation with .NET Part II:Coupling,Abstraction,and iscoverability

10.1 Service Loose Coupling

Service Loose Coupling and Patterns

10.2 Decoupled Contract

WSDL-First

Generating Service Code Using Svcutil

Generating WCF Service Code Using WSCF.blue

Generating ASMX Service Code Using WSCF.classic

10.3 Service Facade

10.4 Concurrent Contracts

10.5 Service Loose Coupling and Service Capability Granularity

10.6 Service Abstraction

10.7 Validation Abstraction

10.8 Exception Shielding

10.9 Service Discoverability

In-line Documentation

REST and Hypermedia

Service Profiles

10.10 Metadata Centralization

CHAPTER 11:Service-Orientation with .NET Part III:Reusability and Agnostic Service Models

11.1 Service Reusability and the Separation of Concerns

Functional Decomposition

Service Encapsulation

Agnostic Context

Agnostic Capability

Utility Abstraction

Entity Abstraction

The Inventory Analysis Cycle

Additional Design Considerations

11.2 Case Study Example:Utility Abstraction with a .NET Web Service

11.3 Case Study Example:Entity Abstraction with a .NET REST Service

CHAPTER 12:Service-Orientation with .NET Part IV:Service Composition and Orchestration Basics

12.1 Service Composition 101

Service-Orientation and Service Composition

Service Composability(PSD)

Capability Composition and Capability Recomposition

Capability Composition

Capability Recomposition

Composition Roles

Service Layers

Non-Agnostic Context

Process Abstraction and Task Services

12.2 Orchestration

Process Abstraction,Process Centralization,and Orchestrated Task Services

Process Centralization and Tools

Process Abstraction and WS-BPEL

State Repository and Compensating Service Transaction

State Repository with .NET

Compensating Service Transaction

Other Patterns

Microsoft Orchestration Platforms:WF and BizTalk Server

CHAPTER 13:Orchestration Patterns with WF

13.1 Process Abstraction and Orchestrated Task Services

A Brief History of WF Service Contract Support

Publishing WF Workflows as Web Services and Activities

Workflows Published as ASMX Services

Workflows Published via WCF 3.5 Activities

Workflows Published via WCF 4.0 Activities

Workflows Published via ExternalDataExchange Services

WS-I BasicProfile Support

Publishing WF Workflows as REST Services

JSON Encoding

Send and Receive Activity Configuration

Orchestrated Task Services with REST and WF 4.0

13.2 Process Centralization

Centralized Process Maintenance

WS-BPEL Support

13.3 State Repository

SQL Persistence Service and Scaling Out in WF 3.0

SQL Persistence Service and Scaling Out in WF 4

13.4 Compensating Service Transaction

Creating Compensations

Triggering Compensations

13.5 Case Study Example

CHAPTER 14:Orchestration Patterns with BizTalk Server

14.1 Process Abstraction and Orchestrated Task Services

Orchestrated Task Service Contracts

WS-* Support

Case Study Example

14.2 Process Centralization

Centralized Process Maintenance

WS-BPEL Support

Exporting BizTalk Orchestrations to WS-BPEL

Importing WS-BPEL Processes into BizTalk

14.3 State Repository

14.4 Compensating Service Transaction

Case Study Example

PART III:INFRASTRUCTURE AND ARCHITECTURE

CHAPTER 15:Enterprise Service Bus with BizTalk Server and Windows Azure

15.1 Microsoft and the ESB

15.2 Integration with BizTalk

Application Integration 101

The BizTalk Hub-Bus Model

15.3 The ESB Toolkit

Itineraries

Itineraries Types

The Itinerary Lifecycle

Resolvers

Adapter Providers

WCF-Custom and REST Services

15.4 Distributed and Scalable ESB Architecture

Configuring for High-Availability

Techniques for Scaling

Distributed ESBs

15.5 Cloud-Enabling the ESB with Windows Azure

Receiving Messages from Azure's AppFabric Service Bus

Sending Messages to Azure's AppFabric Service Bus

15.6 Governance Considerations

SLA Enforcement

Monitoring

Preparing Project Teams

15.7 Mapping the Microsoft Platform to the Enterprise Service Bus Pattern

CHAPTER 16:Windows Azure Platform AppFabric Service Bus

16.1 Introducing the Service Bus

Connectivity Fabric

Message Buffers

Service Registry

16.2 Service Bus and REST

REST-Based Service Design

REST-Based Service Consumer Design

Message Buffers and REST

16.3 Service Bus Connectivity Models

Eventing

Service Remoting

Tunneling

16.4 Working with Windows Azure Platform AppFabric Service Bus

Setting up the AppFabric Service Bus

Defining a REST-Based Service Bus Contract

Creating the Service Bus Message Buffer

CHAPTER 17:SOA Security with .NET and Windows Azure

17.1 Authentication and Authorization with WCF

Direct and Brokered Authentication

Direct Authentication

Brokered Authentication

Authentication Patterns in WCF

Role-Based Authorization

Authorization Roles in WCF

Authorizing Operations with Roles

Claims-Based Authorization

Claims Processing in WCF

Implementing Claims-Based Authorization

Access Control in Windows Azure

Designing Custom Claims

Case Study Example

17.2 Windows Identity Foundation(WIF)

Digital Identity

The Identity Metasystem

Windows Cardspace

Active Directory Federation Services(ADFS)

WIF Programming Model

WCF Integration

Programming Windows Cardspace

Developing a Relying Party

Developing an Identity Provider

17.3 Windows Azure Security

Cloud Computing Security 101

Cross-Domain Access Control

Hybrid Cloud Security

Inter-Organization Service Composition Security

External Identity Providers

Claims-Based Access Control,As-A-Service

Windows Azure Platform AppFabric Access Control Overview

Access Control Step-by-Step

Access Control and REST

Access Control Service Authorization Scenarios

Hybrid Cloud Authorization Model

Public Cloud Authorization Model

Cloud-to-Cloud Authorization Model

Case Study Example

CHAPTER 18:Service-Oriented Presentation Layers with .NET

18.1 Windows Presentation Foundation and the Prism Library

Shell

Views

View Discovery versus View Injection

Regions

Modules

Shared Services

18.2 Design Patterns for Presentation Logic

User Interface Patterns

Composite View [CJP]

Command [DP]

UI Mediator

Separated Presentation

Modularity Patterns

Separated Interface [PEA]

Plug-In [PEA]

Event Aggregator [PEA]

Inversion of Control [DP]

Dependency Injection [PEA]

Service Locator [CJP]

18.3 A Simple Service-Oriented User Interface

Creating the Project

Dynamically Loading Modules

CHAPTER 19:Service Performance Optimization

19.1 Overview

Optimization Areas

Service Implementation Processing

Service Framework Processing

Wire Transmission Processing

19.2 Service Performance Optimization Techniques

Caching to Avoid Costly Processing

Intermediary

Service Container

Service Proxy

Caching Utility Service

Comparing Caching Techniques

Cache Implementation Technologies

Computing Cache Keys

Case Study Example

Method 1

Method 2

Caching REST Responses

Monitoring Cache Efficiency

Reducing Resource Contention

Request Throttling

Throttling With WCF

Case Study Example

Request Throttling with BizTalk Server

Coarse-Grained Service Contracts

Case Study Example

Selecting Application Containers

Performance Policies

Case Study Example

REST Service Message Sizes

Hardware Encryption

Transport Encryption

Message Encryption

Custom Encryption Solution

High Performance Transport

Case Study Example

MTOM Encoding

Case Study Example

Performance Considerations for Service Contract Design

Case Study Example

Impact on Service-Orientation Principles

19.3 Service Composition Performance Optimization Techniques

Transformation Avoidance and Caching

Asynchronous Interactions

Parallelize Where Possible

Parallel Activity in WF

Parallel Execution in BizTalk Server

Replicator Activity in WF

Consider Co-Hosting When Necessary

Compose High Performance Services

Impact on Service-Orientation Principles

CHAPTER 20:SOA Metrics with BAM

20.1 SOA Metric Types

20.2 Introducing BizTalk BAM

BizTalk and BAM

BAM Solution Architecture

The BAM Management Utility

The Tracking Profile Editor(TPE)

Real-Time vs Scheduled Aggregations

20.3 Activities and Views

Roles-based Views for Service Governance

Creating Views

20.4 BAM APIs

Event Streams

DirectEventStream(DES)

BufferedEventStream(BES)

OrchestrationEventStream(OES)

IPipelineContext Interface

Abstracted APIs for Service Metrics

Metrics for Service Compositions

WCF and WF Interceptors

Notifications

Rapid Prototyping

20.5 Managing BAM

Database Outages

Security

Scripting Deployment

Reporting

Case Study Example

PART IV:APPENDICES

APPENDIX A:Case Study Conclusion

APPENDIX B:Industry Standards Reference

APPENDIX C:Service-Orientation Principles Reference

APPENDIX D:SOA Design Patterns Reference

APPENDIX E:The Annotated SOA Manifesto

The Annotated SOA Manifesto

APPENDIX F:Additional Resources

Consuming Services with WCF

Introduction

Cleaning Up Resources

The Proper Disposal and Closing of an ICommunicationObject

The ICommunicationObject.Close()Method

The ICommunicationObject.Abort()Method

Abort()versus Close()

IDisposable for Cleaning Up Resources

IDisposable and Its Relation to ClientBase and ChannelFactory

Cleaning Up Resources with the Using Block

Cleaning Up Resources with the Try-Catch-Finally-Abort Pattern

Handling Exceptions and Cleaning Up Resources with the Try-Close-Catch-Abort Pattern

Cleaning Up Resources in a Convenient Way

How to Handle Connections when Consuming Services Using WCF

Conclusion

About the Authors

David Chou

John deVadoss

Thomas Erl

Nitin Gandhi

Hanu Kommalapati

Brian Loesgen

Christoph Schittko

Herbjorn Wilhelmsen

Mickey Williams

About the Contributors

Scott Golightly

Darryl Hogan

Kris Horrocks

Jeff King

Scott Seely

About the Foreword Contributors

David Chappell

S.Somasegar

Index

《服务计算技术丛书：在微软平台上实现SOA·基于.Net和Windows Azure（英文版）》主要介绍在。NET和WindowsAzure平台上实现面向服务架构（SOA）的方法。首先综合介绍了在Microsoft平台上的现代服务技术进展，并进一步展现了这些技术提高应用和实现面向服务的潜在可能性；然后深入研究了Microsoft企业技术，如WindowsAzure、WCF、WPF等，以及涉及通用SOA设计模式和原则的工业技术与模型。书中附有大量的编码实例，详细分析了与云计算、编制、企业业务总线平台有关的各种技术架构和实现方式。
《服务计算技术丛书：在微软平台上实现SOA·基于.Net和Windows Azure（英文版）》可供SOA领域的软件架构师、高级软件工程师、分析师、应用科研人员等参考学习。

《在微软平台上实现SOA：基于.NET和Windows Azure（英文版）》共分4部分20章，内容包括：在Microsoft平台上的现代服务技术进展，Microsoft企业技术，通用SOA设计模式和原则的工业技术与模型。