TCP/IP or Transport Control Protocol/Internet Protocol are two of the most important networking elements necessary to work with different kinds of networks. These could be LAN (Local Area Networks), WAN (Wide Area Networks) or Internet Networks.
TCP/IP allows information to be forwarded to different networks locally or globally. Without these protocols, the Internet would not work.
TCP or Transport Control Protocol occurs at layer four of the OSI model. Among the management tasks it controls are segment size, flow control and data exchange rate. This is where the delivery of packets of information from one location to another occur. In other words, it transports the data from one location, the source, and sends it to another location, the destination.
Some other features that it has is remote login. This is where one party can connect to another computer for maintenance or trouble shooting purposes.
File transfer is another feature. Exchanging video's, music, documents or pictures are part of the operations that take place with TCP.
Computer mail is a part of the file transfer operation, but instead of sending large files, only small messages are sent, across the network.
The Internet Protocol, IP, has the addresses that are necessary in sending data from the source to the destination.
The IP numbering scheme is intricate. Suffice it to say that it is a 32 bit scheme that has a specific organizational quality.
Refer to the phone analogy: the IP number is analogous to the phone number. It makes the connection possible.
The most important part of this is that the IP address has four octets; with each octet having eight bits. An IP address could look like this in binary: 10111110.10101010.00001111.11001100. The same IP address looks like this in DEC: 190.170.15.204.
Finally, there are only certain numbers allowed in the IP scheme, they are from 0 to 255.
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