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Transport reliability

Posted By :Sasi Prabhu     Posted Date :November 30, 2011    Points :40   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.

You can also find related Interview Question to Transport 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...)

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...)

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

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

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...)

What is the address formats of the WCF transport schemas?

  
Address format of WCF transport schema always follow
[transport]://[machine or domain][:optional port] format.

For example: HTTP Address Format :
http://localhost:8888
The way to read the above url is "Using HTTP, go to the machine called localhost, where on port 8888 someone is waiting" When the port number is not specified, the default port is 80.

TCP Address Format net.tcp://localhost:8888/MyService When a port number is not specified, the default port is 808: net.tcp://localhost/MyService NOTE: Two HTTP and TCP addresses from the same host can share a port, even on the same machine.
IPC Address Format net.pipe://localhost/MyPipe We can only open a named pipe once per machine, and therefore it is not possible for two named pipe addresses to share a pipe name on the same machine. MSMQ Address Format net.msmq://localhost/private/MyService net.msmq://localhost/MyService
(More...)

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