Developing XML Web Services Using Microsoft ASP.NET

Target Audience
The goal of this course is to provide students with the knowledge and skills required to develop XML Web services-based solutions to solve common problems in the distributed application domain. The course focuses on using Visual Studio .NET, ASP.NET, and Universal Description, Discovery, and Integration (UDDI)

Pre-Requisites
Before attending this course, students must have the following pre-requisites:An understanding of how to read and write Extensible Markup Language (XML) documents.Have experimented with simple C# applications.Have developed distributed applications using Microsoft Visual Basic, Java, or C++.To help delegates familiarise themselves with these pre-requisites we provide a Free book to all delegates booking on this course

Purpose
After completing the course, students will be able to explain how XML Web services emerged as a solution; describe the architecture of an XML Web services-based solution; describe the underlying technologies of XML Web services and explain how to use the .NET Framework to implement XML Web services; implement an XML Web service consumer by using Visual Studio .NET; implement a simple XML Web service by using Visual Studio .NET; publish and deploy an XML Web service; secure an XML Web service; implement caching in an XML Web service; evaluate the trade-offs and issues that are involved in designing a real-world XML Web service; implement non-standard XML Web services such as Hypertext Markup Language (HTML) screen scraping and aggregating XML Web services

Course outline

1. The Need for XML Web Services
2. XML Web Service Architectures
3. The Underlying Technologies of XML Web Services
4. Consuming XML Web Services
5. Implementing a Simple XML Web Service
6. Publishing and Deploying XML Web Services
7. Securing XML Web Services
8. Designing XML Web Services
9. Global XML Web Services Architecture

Module 1:The Need for XML Web Services

• Evolution of Distributed Applications
• Problems with Traditional Distributed Applications
• Introducing XML Web Services
• The Web Technology Stack and .NET
• The .NET Alternatives to XML Web Services
• Common XML Web Service Scenarios

• Describing the evolution of distributed applications.
  
• Identifying the problems with traditional distributed application architectures and technologies.
  
• Describing XML Web services and briefly explaining how they address the design problems in traditional distributed applications.
  
• Listing the alternate options for distributed application development.
  
• Identifying the kinds of scenarios where XML Web services are an appropriate solution.
  

Module 2:XML Web Service Architectures

• Service-Oriented Architecture
• XML Web Service Architectures and Service-Oriented Architecture
• Roles in an XML Web Services Architecture
• The XML Web Services Programming Model

• Identifying how XML Web service architectures are a type of service-oriented architecture.
  
• Describing the elements of an XML Web service architecture and explaining their roles.
  
• Describing the XML Web service programming model.
  

Module 3:The Underlying Technologies of XML Web Services

• HTTP Fundamentals
• Using HTTP with the .NET Framework
• XML Essentials
• XML Serialization in the .NET Framework
• SOAP Fundamentals
• Using SOAP with the .NET Framework

• Describing the structures of a Hypertext Transfer Protocol (HTTP) request and response.
  
• Issuing HTTP POST and GET requests and processing the responses by using the .NET Framework.
  
• Describing data types by using the XML Schema Definition language (XSD).
  
• Explaining how to control the way a .NET Framework object is serialized to XML.
  
• Describing the structures of a Simple Object Access Protocol (SOAP) request and response.
  
• Issuing a SOAP request and processing the response by using the .NET Framework.
  

Module 4:Consuming XML Web Services

• WSDL Documents
• XML Web Service Discovery
• XML Web Service Proxies
• Implementing an XML Web Service Consumer Using Visual Studio .NET

• Explaining the structure of a Web Service Description Language (WSDL) document.
  
• Explaining the XML Web services discovery process.
  
• Locating service contracts by using Disco.exe.
  
• Generating XML Web service proxies by using Wsdl.exe.
  
• Implementing an XML Web service consumer by using Visual Studio .NET.
  
• Invoking an XML Web service synchronously and asynchronously by using an XML Web service proxy.
  

Module 5:Implementing a Simple XML Web Service

• Creating an XML Web Service Project
• Implementing XML Web Service Methods
• Managing State in an ASP.NET XML Web Service
• Debugging XML Web Services

• Creating an XML Web service project.
  
• Implementing XML Web service methods, exposing them, and controlling their behaviour.
  
• Managing state in an ASP.NET-based XML Web service.
  
• Debugging XML Web services.
  

Module 6:Publishing and Deploying XML Web Services

• Overview of UDDI
• Publishing an XML Web Service
• Finding an XML Web Service
• Publishing an XML Web Service on an Intranet
• Configuring an XML Web Service

• Explaining the role of UDDI in XML Web services.
  
• Publishing an XML Web service in a UDDI registry by using the UDDI SDK.
  
• Searching a UDDI registry to locate XML Web services by using the UDDI SDK.
  
• Explaining the various options for publishing an XML Web service on an intranet.
  
• Explaining some of the options for modifying the default configuration of an XML Web service.
  

Module 7:Securing XML Web Services

• Overview of Security
• Built-In Authentication
• Custom Authentication: SOAP Headers
• Authorization: Role-Based Security
• Authorization: Code Access Security
• Encryption

• Identifying the differences between authentication and authorization.
  
• Explaining how to use the security mechanisms that Microsoft Internet Information Services (IIS) and Windows provide for authentication.
  
• Using SOAP headers for authentication in an XML Web service.
  
• Using role-based security and code access security for authorization in an XML Web service.
  
• Encrypting the communication between an XML Web service consumer and an XML Web service.
  

Module 8:Designing XML Web Services

• Datatype Constraints
• Performance
• Reliability
• Versioning
• HTML Screen Scraping XML Web Services
• Aggregating XML Web Services

• Identifying the restrictions that are imposed on data types by the various XML Web services protocols.
  
• Explaining how the use of Application and Session state can affect the performance and scaling of XML Web services.
  
• Explaining how to use output and data caching to improve XML Web service performance.
  
• Implementing caching in an XML Web service.
  
• Explaining how asynchronous XML Web service methods can improve performance.
  
• Explaining the need for instrumenting XML Web services.
  
• Identifying the components of an XML Web service that can be versioned.
  
• Explaining how to implement a virtual XML Web service by using screen scraping.
  
• Implementing an XML Web service that uses multiple XML Web services.
  
• Identifying the trade-offs in the techniques that are used for exposing aggregated XML Web services.
  

Module 9:Global XML Web Services Architecture

• Introduction to GXA
• Routing and Referral
• Security and Licensing

• Describe limitations inherent to the specifications with which today's XML Web services are built.
  
• Describe the design principles and specifications of Global XML Web services Architecture (GXA).
  
• Describe XML Web service application scenarios made possible by Web Services Routing Protocol (WS-Routing) and Web Services Referral Protocol (WS-Referral).
  
• Explain how to use Web Services Security Language (WS-Security) and Web Services License Language (WS-License) to perform authentication and authorization for XML Web services.
  
• Design XML Web services that anticipate and can leverage the features that GXA will offer when released.