Suggested Telnet Protocol Changes

J. Postel

doi:10.17487/RFC0328

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This is a modified version of the Internet RFC suitable for machine-translating. Original version is available here: RFC328

UNKNOWN

Network Working Group                                 Jon Postel
Request for Comments: 328                             Computer Science
                                                      UCLA-NMC
NIC 9635                                              29 April 72
Categories: Telnet
References: RFC 328

Suggested Telnet Protocol Changes

I hereby propose the following changes to the Telnet protocol. If
no substantial negative response is received by 15 May 72 it will be assumed that these changes are desired and should be incorporated in any "Official Telnet Protocol".

First I suggest that we drop the idea of a "minimum"
implementation and require a standard implementation which includes all aspects of the protocol.

Second I suggest that we eliminate the DATA TYPE signals.

Third I suggest that we do away with HIDE YOUR INPUT signal.

Arguments:

Standard Implementation:
The idea of an accepted implementation which does not include whole protocol is an admission that the parts of the protocol left out are either not useful or not expected to be used, and that other mechanisms will be constructed to provide those functions. Thus there should be no minimum implementation, but only the standard implementation which includes the whole protocol.

Data Types:
The DATA TYPE signals are supposed to allow the communicating processes to switch from ASCII to some other code set. However, the other code sets suggested do not allow for the Telnet signals, and thus once the switch is made the Telnet protocol is no longer applicable. There is no way to specify how to get back to ASCII or Telnet thus the conversation is "out of control". The HIDE YOUR INPUT signal is supposed to tell the user Telnet process to do whatever it can to hide the user's subsequent input. One problem with this is determining how much input is to be hidden. It is very difficult to find a method of hiding input which works for all combinations of systems and terminals, but the HIDE YOUR INPUT signal dosen't help in any real way.

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    Hide Your Input:

[ This RFC was put into machine readable form for entry ] [ into the online RFC archives by BBN Corp. under the ] [ direction of Alex McKenzie. 12/96 ]

[Page 2]

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