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| | Total Hits: 96 | Today: 0 | Author: Diego Resnik | Rating:  |
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When scalability is a main issue in your application, it is common to design and build a stateless solution.
Stateless design allows our application to be duplicated to several servers as the amount of users grows, load balancing could be taken to the max, plus it saves resources "wasted" on session management.
The downside is that in most applications having session identifier or other session level parameters is really convenient (sometimes even necessary).... |
| | Total Hits: 95 | Today: 0 | Author: Chandu Thota | Rating: |
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Building Web Services to provide enterprise-level solutions is only the first step. You need to take care of the infrastructure aspects of your solution as well, including provisioning, billing, security, and reporting. In this article, the author uses the .NET Framework and SQL Server 2000 to design a provisioning system that will take care of all these housekeeping tasks. He discusses the general requirements of a Web Service provisioning system, walks through the implementation, and then outl... |
| | Total Hits: 143 | Today: 0 | Author: Brian Connolly | Rating:  |
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The success or failure of IT departments can depend on their ability to deliver a high throughput of requests to the services they support. This is especially important for Web services. In order to ensure adequate throughput, you really need to be able to measure response times. To achieve that goal, this article presents a general-purpose reporting mechanism that can be used in any .NET system that employs HTTP and SOAP.... |
| | Total Hits: 23 | Today: 0 | Author: jonpreecebsc | Rating:  |
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The goals of this research were:
1. Learn what a web service is.
2. Learn what SOAP is.
3. Learn how to consume PHP/SOAP web services from a PHP website and from a Windows desktop application.... |
| | Total Hits: 139 | Today: 0 | Author: Pranish Kumar and Bogdan Crivat | Rating: |
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SOAP opens up a new world of Web Services, letting you make function calls across a network or the Internet. But this flexibility creates new problems when your app needs to wait for calls to return from halfway around the world. What you need is an asynchronous SOAP client that takes advantage of threading to continue execution while waiting for calls over the wire. This article covers the basics of building such a client with ATL.... |
| | Total Hits: 313 | Today: 0 | Author: Nguyen-Thanh-Tung. | Rating: |
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I did this stuff more than 2 years ago and just wanted to share with "beginners" who are getting to know why webservice would be very useful when crossing the far distance and can be shared for many clients. This example shows you how to communicate with a DB Server on the Internet from a client application on your PC using SOAP protocol. Usually, Enterprise Information System (EIS) such as ERP, CRM, SCM are built for internal use purposes and installed on the LAN. We will use direct connection ... |
| | Total Hits: 274 | Today: 0 | Author: Jacek Chmiel | Rating: |
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SOAP messages generated by Web Services may become very large, reducing scalability by consuming expensive network bandwidth. CPU power is often much cheaper and easier to extend than network bandwidth.
HTTP 1.1 protocol introduced standard ways of compression using gzip or deflate algorithms supported by web servers. Initial tests shown that average compression ratio 10:1 can be easily achieved with large SOAP messages (for instance ADO.NET DataSets with multiple rows). Such reduction of... |
| | Total Hits: 234 | Today: 0 | Author: David S. Platt | Rating: |
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When creating a distributed system you frequently need to provide for communication between two entities that are not in sync. Microsoft Message Queue Server (MSMQ) provides the kind of store-and-forward messaging in a pre-built infrastructure that can help you address these kinds of messaging needs. In the past, MSMQ was accessed using a COM wrapper. Now there's a .NET wrapper that lets you accomplish your messaging goals easily from your Framework-based code. To illustrate the use of the wrapp... |
| | Total Hits: 411 | Today: 0 | Author: codeproject | Rating: |
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This Article Describes an approach for delivery of Soap Messages serialised using ASP.NET Web Client Services over TCP/IP.... |
| | Total Hits: 11 | Today: 0 | Author: Roger Smith | Rating:  |
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In this brief article I intend to show how you can secure your web service by using SOAP headers. Often times we create a web service that we only want to enable for our own clients or would like to enable only for authorized clients. You can accomplish this by using SOAP headers to authenticate the client and process the request or throw an exception when they are not properly authorized.... |
| | Total Hits: 90 | Today: 0 | Author: Ahmed Shokr | Rating: |
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Many of us want ot secure the calls to our web services, right?
There are so many ways to do this, one of them is to use custom SOAP header.
Using this method we simply add a required SOAP header to our web services calls.
We embed the SOAP header into our message and validate its contents on the server.
If the SOAP header validation done successfully, the web server sends the web service response to the consumer.... |
| | Total Hits: 138 | Today: 0 | Author: Arindam Sinha | Rating: |
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In one of my recent projects, I had to interact with one .NET Web Service (ASMX) from a Windows Desktop application. Now another java application would be accessing the same Web Service. So the java developers need a sample SOAP Request/Response XML for the Web Service. Before I start discussing on the approach of logging SOAP Request-Response XML, I would like to elaborate on same basic things Web Service referencing.... |
| | Total Hits: 98 | Today: 0 | Author: Paula Paul | Rating: |
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Web Services are a great way to accept and manage contributions to a public clip art library, digital music catalog, or corporate knowledge base. Since the SOAP interface to a Web method operates over HTTP, contributors can easily publish content any time, from anywhere across the Internet. However, accepting binary content and managing content metadata through SOAP over HTTP presents Web Service developers with some interesting design decisions. This article discusses three ways to enable conte... |
| | Total Hits: 328 | Today: 0 | Author: Simon Gregory | Rating: |
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This short article builds on the previous article "Secure Web Service via Message oriented Middleware" [1] and extends the framework developed in the former to cover TCP/IP-based communications. Since the solution will merely extend the original framework with support for a new communications protocol, all the original facilities (such as the ability to secure data using the Web Services Enhancements (WSE) 1.0) are capable of being utilized within the IP communications channel.... |
| | Total Hits: 585 | Today: 0 | Author: James Snell, Doug Tidwell & Pavel Kulchenko | Rating: |
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In Chapter 2, we looked under the hood of SOAP at the XML underneath. In this chapter, we demonstrate how to create, deploy, and use SOAP web services using toolkits for Java, Perl, and Microsoft's new .NET platform. We cover the installation, configuration, and use of SOAP::Lite for Perl, Apache SOAP for Java, and Microsoft .NET for C#.... |
| | Total Hits: 747 | Today: 0 | Author: CodeProject | Rating: |
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Web Services are thought of to be a means to provide easily accessible services over a network. We can use VS.NET IDE to create Web Service.
While there are different techeniques to communicate with a Web Services, SOAP is regarded to be the actual standard. SOAP messages are being sent to service endpoints. This can simply be SOAP over HTTP.... |
| | Total Hits: 5 | Today: 0 | Author: David S. Platt | Rating:  |
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When creating a distributed system you frequently need to provide for communication between two entities that are not in sync. Microsoft Message Queue Server (MSMQ) provides the kind of store-and-forward messaging in a pre-built infrastructure that can help you address these kinds of messaging needs. In the past, MSMQ was accessed using a COM wrapper. Now there's a .NET wrapper that lets you accomplish your messaging goals easily from your Framework-based code. To illustrate the use of the wrapp... |
| | Total Hits: 24 | Today: 0 | Author: Microsoft Corporation | Rating: |
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By default, Windows Communication Foundation (WCF) makes endpoints available only to SOAP clients. In How to: Create a Basic WCF REST Service, an endpoint is made available to non-SOAP clients. There may be times when you want to make the same contract available both ways, as a Web endpoint and as a SOAP endpoint. This topic shows an example of how to do this.... |
| | Total Hits: 91 | Today: 0 | Author: vivekthangaswamy | Rating: |
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The main idea of this series of articles is not to make you feel as though you are learning a whole new technology altogether, but to make you realize that this new innovation is reusing existing knowledge to create a more capable and robust system in the Web world. Basically, this article is for learning what a web service is, how to create a web service in .NET, how to access the database using web services, how to populate a GridView using web services etc.... |
| | Total Hits: 88 | Today: 0 | Author: Xiangyang Liu 刘向阳 | Rating: |
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In the company where I work we use a lot of web services to communicate between the front-end web applications and the various back-end systems. Now, I am a little tired of creating and deploying ASP.NET web services. Don't get me wrong, I like ASP.NET as a tool for developing web services. However, almost every time our website needs enhancements I end up delivering a new ASP.NET web service.... |
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