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When this happens, the best solution is to rebuild the TCP/IP protocol stack. ... just moving to TCP/IP, however it should help anyone who wants to know . ...more details visit
search.techrepublic.com.com/search/tcp%252fip+settings.html - 50k -

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Posted by waqasahmad

TCP(transmission control protocol) works on 4th layer of OSI Model for reliable communication & IP works on 3rd layer of OSI Model for routing.

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Posted by Hash007

The application, presentation, and session layers are all application-oriented in that they are responsible for presenting the application interface to the user. All three are independent of the layers below them and are totally oblivious to the means by which data gets to the application. These three layers are called the upper layers.
The lower four layers deal with the transmission of data, covering the packaging, routing, verification, and transmission of each data group. The lower layers don’t worry about the type of data they receive or send to the application, but deal simply with the task of sending it. They don’t differentiate between the different applications in any way.
The following sections explain each layer to help you understand the architecture of the OSI-RM (and later contrast it with the architecture of TCP/IP).

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Posted by bennith_samuel