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Telnet output horizontal tab disposition option (RFC0654)

IP.com Disclosure Number: IPCOM000004289D
Original Publication Date: 1974-Oct-01
Included in the Prior Art Database: 2019-Feb-14
Document File: 2 page(s) / 3K

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

D. Crocker: AUTHOR

Related Documents

10.17487/RFC0654: DOI

This text was extracted from a PDF file.
This is the abbreviated version, containing approximately 59% of the total text.

TELNET OUTPUT HORIZONTAL TAB DISPOSITION OPTION RFC 654, NIC 31157 (Oct. 25, 1974) D. Crocker (UCLA-NMC) Online file: [ISI]<DCROCKER>NAOHTD.TXT

TELNET OUTPUT HORIZONTAL TAB DISPOSITION OPTION

1. Command name and code NAOHTD 12 (Negotiate About Output Horizontal Tab Disposition)

2. Command meanings In the following, we are discussing a simplex connection, as described in the NAOL and NAOP Telnet options. IAC DO NAOHTD The data sender requests or agrees to negotiate about output horizontal tab character disposition with the data receiver. In the case where agreement has been reached and in the absence of further subnegotiations, the data receiver is assumed to be handling output horizontal tab character considerations. IAC DON’T NAOHTD The data sender refuses to negotiate about output horizontal tab characters with the data receiver, or demands a return to the unnegotiated default mode. IAC WILL NAOHTD The data receiver requests or agrees to negotiate about output horizontal tab characters with the sender. In the case where agreement has been reached and in the absence of further subnegotiations, the data receiver alone is assumed to be handling output horizontal tab character considerations. IAC WON’T NAOHTD The data receiver refuses to negotiate about output horizontal tab characters, or demands a return to the unnegotiated default mode. IAC SB NAOHTD DS <8-bit value> IAC SE The data sender specifies, with the 8-bit value, which party should handle output horizontal tab characters and what their disposition should be. The code for DS is 1. IAC SB NAOHTD DR <8-bit value> IAC SE The data receiver specifies, with the 8-bit value, which party should handle output horizontal tab characters and what their disposition should be. The code for DR is 0.

3. Default DON’T NAOHTD/WON’T NAOHTD. In the default absence of negotiations concerning which party, data sender or data receiver, is handling output horizontal tab character considerations, neither party is required to handle horizontal tab characters and neither party is prohibited from handling them; but it is appropriate if at least the data receiver handles horizontal tab character considerations, albeit primitively.

4. Motivation for the Option Please refer to section 4 of the NAOL and of the NAOP Telnet option descriptions.

5. Description of the Option The data sender and the data receiver use the 8-bit value along with the DS and DR SB commands as follows:

8-bit value Meaning

0 Command sender suggests that he alone will handle horizontal tab characters, for the connection. 1 to 250 Command sender suggests that the other party alone should handle horizontal tab characters, but suggests that a delay of the indicated value be used. The value is the number of character-times to wait or number of NULs to insert in the data stream before sending the next data character. 251 Command sender suggests that the other party alone handle horizontal tabs, but suggests that each occurrence of the character be...

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