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What is Transport and Message Reliability?

Posted By :Akhil Raj     Posted Date :September 18, 2010    Points :10   Category :WCF 
Transport reliability (such as the one offered by TCP) offers point-to-point guaranteed delivery at the network packet level, as well as guarantees the order of the packets. Transport reliability is not resilient to dropping network connections and a variety of other communication problems.

Message reliability deals with reliability at the message level independent of how many packets are required to deliver the message. Message reliability provides for end-to-end guaranteed delivery and order of messages, regardless of how many intermediaries are involved, and how many network hops are required to deliver the message from the client to the service.


You can also find related Interview Question to What is Transport and Message Reliability?  below: 

What is Transport and Message Reliability?

  
Transport reliability (such as the one offered by TCP) offers point-to-point guaranteed delivery at the network packet level, as well as guarantees the order of the packets. Transport reliability is not resilient to dropping network connections and a variety of other communication problems.

Message reliability deals with reliability at the message level independent of how many packets are required to deliver the message. Message reliability provides for end-to-end guaranteed delivery and order of messages, regardless of how many intermediaries are involved, and how many network hops are required to deliver the message from the client to the service.
(More...)

Transport reliability

  
Transport reliability (such as the one offered by TCP) offers point-to-point guaranteed delivery at the network packet level, as well as guarantees the order of the packets. Transport reliability is not resilient to dropping network connections and a variety of other communication problems. (More...)

Message reliability

  
Message reliability deals with reliability at the message level independent of how many packets are required to deliver the message. Message reliability provides for end-to-end guaranteed delivery and order of messages, regardless of how many intermediaries are involved, and how many network hops are required to deliver the message from the client to the service. (More...)

What is the Transport Protocol you use to call a Web Service ?

  
SOAP (Simple Object Access Protocol) is the preferred protocol. (More...)

Which method would you call to send an e-mail message and wait for the transmission to complete before proceeding?

  
Select from following answers:

1.MailMessage.Send
2.SmtpClient.Send
3.SmtpClient.SendAsync
4.MailMessage.SendAsync

Correct Answer is:

SmtpClient.Send (More...)

Why this Error comes during compilation of our ASP page ?

Parser Error Message: It is an error to use a section registered as allowDefinition='MachineOnly' beyond machine.config.

  
This happens because ,

In our web.config file we might have declared a section that is not configurable on our shared web hosting platform. So when we get this error we have to remove that part which is not supported in the web.config file. (More...)

You added a SharePoint Web part to page, and now, when you go to the page, get an error message. To get the page working again, what need to do?

  
Go to the page with the error and add

?Contents=1

to the end of the page's URL. If the URL already has a "?" then add this instead to the end of the URL:

&Contents=1

You will now see a list of all of the Web Parts on the page and can now delete the offending Web Part.

Here is an example for a site URL that ends in aspx:
http://.../default.aspx?Contents=1 (More...)

What is the lifecycle of a Message in BizTalk server

  
A message is received through a receive location defined in a given receive port. This message is processed by the pipeline associated with the receive location, and if there are any inbound maps associated with the receive port they are executed. The resulting message is then published to the MessageBox database. The MessageBox evaluates active subscriptions and routes the message to those orchestrations, and send ports with matching subscriptions. Orchestrations may process the message and publish messages through the MessageBox to a send port where it is pushed out to its final destination. (More...)

What is message queuing in .NET

  
Messaging Queuing is a general purpose method for integrating enterprise applications. Messaging is available on several platforms including Microsoft, IBM and platforms that implement Java.

We can send message from one system to another system using message queuing.

In .NET you can program MSMQ through the System.Messaging namespace (More...)

How to configure Reliability while communicating with WCF Services?

  
Reliability can be configured in the client config file by adding reliableSession under binding tag.






address = "net.tcp://localhost:8888/MyService"

binding = "netTcpBinding"

bindingConfiguration = "ReliableCommunication"

contract = "IMyContract"

/>





















Reliability is supported by following bindings only

NetTcpBinding
WSHttpBinding
WSFederationHttpBinding
WSDualHttpBinding
(More...)

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