PuTTY is a free implementation of SSH and Telnet for Windows and Unix platforms. Telnet can also be described as an Internet standard utility or terminal emulation program for TCP/IP networks. The basic specifications of the Telnet protocol are present in RFC 854, while the many options are described in RFCs 855 to 861. The screen of the Telnet program is not fancy like the other browser screens. Telnet is acclaimed for being the original internet when the internet first got introduced in 1969. The rules of negotiations deal with avoiding the wraparound situations. The advanced function can be availed by using form of options according to the negotiated options principle.
Network Virtual Terminal comprises of features like - 7 bit ASCII characters to which the extended ASCII code is added, three control characters and five optional control characters. Network Virtual Terminal defines the facilities through which communication is established with the involvement of TCP/IP protocols. This protocol is based on three concepts – It provides the facility to the user to establish a TCP connection to a login server or terminal server at some other side. The term Telnet stands for Telecommunication Network.
However, It also supports several other features. Telnet is a network protocol which supports remote logins to computers through the internet. Both the terms may also be used in context to terminal emulation programs PuTTY emulation program is considered to be more simple and secure in comparison to the standard Telnet program that comes along Windows. Key Difference: Telnet is a network protocol which supports remote logins to computers through the internet.