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Some of the applications we use require us to move data across a network from point A to point B.The Transmission Control Protocol/Internet Protocol (TCP/IP) network provides a framework for transmitting this data, and it requires some basic information from us to move this data.This is a simplified view of how the network layers work together to generate frames. Each layer adds information called a header to the data being passed to it. In this case, the specific application is a web browser requesting a webpage download. The Transport layer adds the TCP or UDP header which includes the source and destination port addresses.
This format is provided by its five-layer software model.
Each layer provides TCP/IP with the basic information it needs to move our data across the network.
Port-coding takes this concept into the realm of data transfer, by encoding “hidden” data in the sequence of data transmissions across a set of connections, and is intended for unidirectional steganographic transmissions.
Here’s how it works: This technique easily crosses the Internet at large; as long as the sender can connect to the receiver, nothing will get in the way of this scheme.
The top four layers of the seven layer OSI model have been condensed into the top two TCP/IP layers.
Before we discuss each layer, let’s briefly summarize what each layer does.
We need to specify if we want the most reliable or fastest transmissions and we need to specify where we want the data delivered.
Sometimes our data is routed based on its IP addresses and sometimes its routed based on its MAC address.
Note that the serialized nature of steps - are just to ensure that the receiver unambiguously knows the sequence in which to reassemble the hidden data stream, in case transmission delays cause the receiver to get the normal data chunks out of order.Tags: Adult Dating, affair dating, sex dating