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	<title>TechBubbles &#187; WCF</title>
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		<title>Impersonation and Delegation in WCF</title>
		<link>http://www.techbubbles.com/webservices/impersonation-and-delegation-in-wcf/</link>
		<comments>http://www.techbubbles.com/webservices/impersonation-and-delegation-in-wcf/#comments</comments>
		<pubDate>Mon, 24 Oct 2011 20:32:22 +0000</pubDate>
		<dc:creator>Kalyan Bandarupalli</dc:creator>
				<category><![CDATA[WCF]]></category>
		<category><![CDATA[Webservices]]></category>
		<category><![CDATA[Web Services]]></category>

		<guid isPermaLink="false">http://www.techbubbles.com/webservices/impersonation-and-delegation-in-wcf/</guid>
		<description><![CDATA[&#160;



Impersonation is a technique that WCF Services use to authorize the caller’s identity to access to service resources such as files and database tables. Service resources can be located either on local service machine or remotely hosted. The resources are being accessed by WCF Service’s process identity or specific windows identity.




Difference between Impersonation and Delegation [...]]]></description>
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		<slash:comments>1</slash:comments>
		</item>
		<item>
		<title>How to choose right WCF binding?</title>
		<link>http://www.techbubbles.com/webservices/how-to-choose-right-wcf-binding/</link>
		<comments>http://www.techbubbles.com/webservices/how-to-choose-right-wcf-binding/#comments</comments>
		<pubDate>Sat, 22 Oct 2011 21:01:45 +0000</pubDate>
		<dc:creator>Kalyan Bandarupalli</dc:creator>
				<category><![CDATA[WCF]]></category>
		<category><![CDATA[Webservices]]></category>
		<category><![CDATA[Web Services]]></category>

		<guid isPermaLink="false">http://www.techbubbles.com/webservices/how-to-choose-right-wcf-binding/</guid>
		<description><![CDATA[



Binding in WCF defines how clients can connect with your service. The base class for all bindings in WCF is System.ServiceModel.Channels.Binding. A Binding includes definition for WS-* protocols used, the message encoding and the transport protocol.
The available WCF Bindings are

wsHttpBinding
basicHttpBinding
netTcpBinding
netNamedPipeBinding
netMsmqBinding
wsDualHttpBinding






  
Consider the following scenarios when your are choosing the WCF Binding

Consider using wsHttpBinding when [...]]]></description>
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		<slash:comments>1</slash:comments>
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		<item>
		<title>Transport and Message Security in WCF</title>
		<link>http://www.techbubbles.com/webservices/transport-and-message-security-in-wcf/</link>
		<comments>http://www.techbubbles.com/webservices/transport-and-message-security-in-wcf/#comments</comments>
		<pubDate>Fri, 21 Oct 2011 22:21:51 +0000</pubDate>
		<dc:creator>Kalyan Bandarupalli</dc:creator>
				<category><![CDATA[WCF]]></category>
		<category><![CDATA[Webservices]]></category>
		<category><![CDATA[Web Services]]></category>

		<guid isPermaLink="false">http://www.techbubbles.com/webservices/transport-and-message-security-in-wcf/</guid>
		<description><![CDATA[This post discusses about transport and message security. In Transport Security user credentials and claims are passed using transport layer. The transport protocols are TCP, HTTP, MSMQ and IPC. Each of these protocols have their own mechanism for passing user credentials. The most common approach is using secure socket layer(SSL) for encrypting the details which [...]]]></description>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Service Orientation vs Object Orientation</title>
		<link>http://www.techbubbles.com/wcf/service-orientation-vs-object-orientation/</link>
		<comments>http://www.techbubbles.com/wcf/service-orientation-vs-object-orientation/#comments</comments>
		<pubDate>Tue, 18 Oct 2011 17:57:41 +0000</pubDate>
		<dc:creator>Kalyan Bandarupalli</dc:creator>
				<category><![CDATA[SOA]]></category>
		<category><![CDATA[WCF]]></category>
		<category><![CDATA[Web Services]]></category>

		<guid isPermaLink="false">http://www.techbubbles.com/wcf/service-orientation-vs-object-orientation/</guid>
		<description><![CDATA[Services are good communication technique to use across application and platform boundaries. Service-oriented approach always preferred when you are building a distributed application. Object orientation approach provides a view of what a system should look and effective for producing logical models. Object based approach can fail to consider real-world factors like physical distribution and network [...]]]></description>
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		<slash:comments>0</slash:comments>
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		<item>
		<title>WCF 4.5 Features</title>
		<link>http://www.techbubbles.com/webservices/wcf-4-5-features/</link>
		<comments>http://www.techbubbles.com/webservices/wcf-4-5-features/#comments</comments>
		<pubDate>Wed, 12 Oct 2011 20:46:59 +0000</pubDate>
		<dc:creator>Kalyan Bandarupalli</dc:creator>
				<category><![CDATA[.NET Framework 4.5]]></category>
		<category><![CDATA[Visual Studio 11]]></category>
		<category><![CDATA[WCF]]></category>
		<category><![CDATA[Webservices]]></category>
		<category><![CDATA[WCF 4.5]]></category>
		<category><![CDATA[WCF Service]]></category>

		<guid isPermaLink="false">http://www.techbubbles.com/webservices/wcf-4-5-features/</guid>
		<description><![CDATA[&#160;
This post discusses the new features in WCF 4.5. There have been significant improvements in WCF 4.5 on configuration. 
Simplifying the generated configuration file in client



A client configuration file is generated when you add a service reference in Visual Studio 2010. The configuration files in earlier version of WCF contained the value of every binding [...]]]></description>
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		<slash:comments>0</slash:comments>
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		<item>
		<title>WebSockets in ASP.NET 4.5</title>
		<link>http://www.techbubbles.com/aspnet/websockets-in-asp-net-4-5/</link>
		<comments>http://www.techbubbles.com/aspnet/websockets-in-asp-net-4-5/#comments</comments>
		<pubDate>Sun, 02 Oct 2011 21:15:17 +0000</pubDate>
		<dc:creator>Kalyan Bandarupalli</dc:creator>
				<category><![CDATA[ASP.NET]]></category>
		<category><![CDATA[ASP.NET 4.5 Preview]]></category>
		<category><![CDATA[WCF]]></category>
		<category><![CDATA[Webservices]]></category>
		<category><![CDATA[Web Sockets]]></category>

		<guid isPermaLink="false">http://www.techbubbles.com/aspnet/websockets-in-asp-net-4-5/</guid>
		<description><![CDATA[&#160;
This post discuss about using WebSockets in ASP.NET 4.5. You can read this post to get an understanding about WebSockets. This post shows piece of code which uses WebSockets in ASP.NET 4.5 and the code is related to simple chat application.
The HTML of Web Form chat application looks as below
&#160;
It contains a text box where [...]]]></description>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>WCF Services in Windows Azure</title>
		<link>http://www.techbubbles.com/webservices/wcf-services-in-windows-azure/</link>
		<comments>http://www.techbubbles.com/webservices/wcf-services-in-windows-azure/#comments</comments>
		<pubDate>Sun, 31 Jul 2011 21:56:28 +0000</pubDate>
		<dc:creator>Kalyan Bandarupalli</dc:creator>
				<category><![CDATA[Visual Studio 2010]]></category>
		<category><![CDATA[WCF]]></category>
		<category><![CDATA[Webservices]]></category>
		<category><![CDATA[Windows Azure]]></category>
		<category><![CDATA[Microsoft]]></category>

		<guid isPermaLink="false">http://www.techbubbles.com/webservices/wcf-services-in-windows-azure/</guid>
		<description><![CDATA[&#160;



What is Windows Azure? Windows Azure provides developers computation power storage and can scale web applications on internet through Microsoft Datacenters. Developers can use Azure platform to build WCF service application using their existing Visual Studio 2010 expertise.




 Windows Azure supports the protocols and formats including SOAP, REST and XML. This post discuss about creating [...]]]></description>
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		<slash:comments>1</slash:comments>
		</item>
		<item>
		<title>WCF AJAX Service Without Configuration</title>
		<link>http://www.techbubbles.com/wcf/wcf-ajax-service-without-configuration/</link>
		<comments>http://www.techbubbles.com/wcf/wcf-ajax-service-without-configuration/#comments</comments>
		<pubDate>Sun, 15 May 2011 08:27:25 +0000</pubDate>
		<dc:creator>Kalyan Bandarupalli</dc:creator>
				<category><![CDATA[.NET Framework 4]]></category>
		<category><![CDATA[WCF]]></category>
		<category><![CDATA[WCF Features]]></category>
		<category><![CDATA[WCF Service]]></category>

		<guid isPermaLink="false">http://www.techbubbles.com/wcf/wcf-ajax-service-without-configuration/</guid>
		<description><![CDATA[&#160;



This post discusses how to develop Windows Communication Foundation (WCF) service using AJAX and without any configuration settings for WCF. This service can be consumed from Javascript. The service uses a special setting in .svc file which automatically enables an AJAX endpoint.




  
You can get the AJAX support for WCF through the ScriptManager control.
1. [...]]]></description>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>WCF Service using MTOM in .NET FW 4</title>
		<link>http://www.techbubbles.com/webservices/wcf-service-using-mtom-in-net-fw-4/</link>
		<comments>http://www.techbubbles.com/webservices/wcf-service-using-mtom-in-net-fw-4/#comments</comments>
		<pubDate>Sat, 14 May 2011 13:58:08 +0000</pubDate>
		<dc:creator>Kalyan Bandarupalli</dc:creator>
				<category><![CDATA[.NET Framework 4]]></category>
		<category><![CDATA[WCF]]></category>
		<category><![CDATA[Webservices]]></category>
		<category><![CDATA[.NET Framework 4.0]]></category>
		<category><![CDATA[WCF Service]]></category>

		<guid isPermaLink="false">http://www.techbubbles.com/webservices/wcf-service-using-mtom-in-net/</guid>
		<description><![CDATA[&#160;
Web services having a greater interoperability to communicate messages across heterogeneous systems, however challenge is serializing the data into XML. Users may want to send images,videos, drawings, xml documents etc. together with SOAP message.&#160; 
What is MTOM?
Message Transmission Optimization Mechanism (MTOM) is a mechanism of transferring transferring large amounts binary data as an attachment to [...]]]></description>
		<wfw:commentRss>http://www.techbubbles.com/webservices/wcf-service-using-mtom-in-net-fw-4/feed/</wfw:commentRss>
		<slash:comments>1</slash:comments>
		</item>
		<item>
		<title>WCF Discovery with UDP</title>
		<link>http://www.techbubbles.com/wcf/wcf-discovery-with-udp/</link>
		<comments>http://www.techbubbles.com/wcf/wcf-discovery-with-udp/#comments</comments>
		<pubDate>Tue, 02 Feb 2010 10:38:00 +0000</pubDate>
		<dc:creator>Kalyan Bandarupalli</dc:creator>
				<category><![CDATA[WCF]]></category>
		<category><![CDATA[UDP]]></category>
		<category><![CDATA[WCF Discovery]]></category>
		<category><![CDATA[Web Services]]></category>

		<guid isPermaLink="false">http://www.techbubbles.com/wcf/wcf-discovery-with-udp/</guid>
		<description><![CDATA[Inorder to call the WindowsCommunicationFoundation service, a port or pipe which assigned to the service must be available and the client must know the address endpoints before calling the services.
If the service could use any available address then client can discover that address at runtime. There is a industry standard-based solution which helps in discovering [...]]]></description>
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