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In this article I hope to show a very useful architecture for building a network server over TCP/IP communication. I know there are a ready TCP and UDP servers you can buy and there are some more you can download but the problem is that those you can buy usually gives you a "black box". they also cost money (the good ones cost alot of money). Another problem is that they were designed for heavy and resourceful machines to work properly. The others you can download seem to go stright into a certain architecture which is usually incorrect or least to say they use an architecture which I believe is not the best we can use to milk the machine...

In the Microsoft .NET Framework, the System.Net namespace exposes the functionality of many networking protocols, such as HTTP and SMTP. The upcoming release of the .NET Framework 3.5 (which will ship with Visual Studio 2008, formerly code-named "Orcas") includes a number of performance and functional enhancements to these core networking layers. In this article, we'll look at three key changes provided by the System.Net team:

• High performance Socket API
• International Resource Identifier support for URIs
• Peer-to-Peer (P2P) namespace..

Those who create commercial sites are faced with the question, "How should it receive payments?" One of the most popular payment systems in the world is PayPal. This system is often chosen because it is reliable, simple to use and allows an account to be easily opened. To open an account, you need only have a credit card and/or an account in an American bank. One of shortcomings of the system is its severe security policy. However, practice evinces that if you follow the rules of the system carefully, then errors are very rare. The purpose of this article is to show how payments processing can be organized to support reliability and security. The article is also aimed at providing you with an example of the development of a simple online shop, in order to demonstrate interaction with the PayPal system. You can use the code in your applications to organize interaction with the PayPal system and to process payments.

A a simple yet powerful framework for retrieving useful information from public sources on the web.

In this article we will see just how easy it is to display XML data in an ASP.NET 2.0 page. In particular, we will build a User Control that will display the contents of an RSS feed. Once created, this User Control can be dragged onto the Design surface of any ASP.NET page in your project and configured to display the contents of a particular RSS feed by simply setting the control's Url property to the URL of the RSS feed.

An article about how to access Extended MAPI properties, fields and methods from your .Net applications.

This article demonstrates usage of the Ping class located in the System.Net.NetworkInformation namespace. It can help network administrators or others who need to monitor their servers and connections.

NDIS Monitor allows to catch and log the exchange of packet data between NDIS miniport drivers and network protocol modules that occurs in kernel space.

Find out how to avoid having to serialize attachments before sending them via email.

In this article you will learn how to create an Asynchronous RSS reader windows application ( via Thread).