Telnet Protocol essays

Telnet Protocol essays Telnet Protocol is a method of providing a standard way of communication between computer terminals. Through Telnet Protocol, computers are able to communicate in a bi-directional and eight-bit oriented method. It is generally used to allow standard terminal interfacing as well as standard The original purpose of a Telnet Protocol is to allow a user login to a remote terminal and have communication access to other terminals through a telnet server program. This telnet server program handles and processes all data passed by every connected terminals. Connection of terminals in a telnet protocol is established using the Transmission Control Protocol (TCP), the transmitter of data. Basically, there are three concepts that make telnet protocol an important Network Virtual Terminal Network Virtual Terminal or NVT is an imaginary device that facilitates communication between terminals without the need for terminals to remember each other's characteristics. This is done through mapping of each terminal's characteristics and conventions that make it seem like the there is a virtual terminal that provides similar mapping for all connected terminals. NVT defines the data sent between terminals. An NVT has a printer incoming data, and a keyboard that produces outgoing data. It uses character sets known as the NVT ASCII. All incoming NVT codes are converted into actual codes by a client's telnet program. Such codes include those needed to operate the user's devices such as the display and keyboard. Examples of which are LF or decimal 10 for Line Feed, CR or decimal 13 for Carriage Return, BS or decimal 8 for Backspace, Concept of Negotiations Terminals in a Telnet connection are different from each other. Aside from the NVT conventions that they comply with during...