Telnet 3270 regime option (RFC1041)
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Del.icio.us| IP.com Number | IPCOM000001847D |
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| Dated | Jan 1, 1988 UTC | ||
| Size | 5 page(s) (10.4 KB) | ||
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Publication Summary
STATUS OF THIS MEMO| Country | United States |
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| Language | English (United States) |
| Related Person(s) |
(AUTHOR) Y. Rekhter |
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Network Working Group J. Rekhter
Request For Comments: 1041 T.J. Watson Research Center, IBM
January 1988
Telnet 3270 Regime Option
STATUS OF THIS MEMO
This RFC specifies a proposed standard for the Internet community.
Hosts on the Internet, that want to support 3270 data stream within
the Telnet protocol, are expected to adopt and implement this
standard. Distribution of this memo is unlimited.
1. Command Name and Code
3270-REGIME 29
2. Command Meaning
IAC WILL 3270-REGIME
Sender is willing to send list of supported 3270 Regimes in
a subsequent sub-negotiation.
IAC WON'T 3270-REGIME
Sender refuses to send the list of supported 3270 Regimes.
IAC DO 3270-REGIME
Sender is willing to receive a list of supported 3270 Regimes in a
subsequent sub-negotiation.
IAC DON'T 3270-REGIME
Sender refuses to accept the list of supported 3270 Regimes.
IAC SB 3270-REGIME ARE REGIME-LIST IAC SE
Sender sends the list of all possible 3270 Regimes it is able to
support. The code for ARE is 1.
REGIME-LIST is an ASCII string which has meaning to both sides of
the negotiation. This string may be composed of different
terminal type names (as specified in the "Assigned Numbers") which
are separated by space character. Terminal type names which have
imbedded spaces should escape it with backslash character ('\').
Backslash character imbedded into terminal type name should be
escaped with another backslash character.
Empty REGIME-LIST means, that sender is able to support only NVT
ASCII terminal as defined in [4].
IAC SB 3270-REGIME IS REGIME IAC SE
Sender is stating the name of the terminal it is willing to
support. The code for IS is 0.
REGIME is an ASCII string (possibly empty) which is substring of
the received REGIME-LIST string. Empty string means that the
sender is willing to support only NVT ASCII terminal as defined in
[4].
3. Default
WON'T 3270-REGIME
3270 Regime will not be established.
DON'T 3270-REGIME
3270 Regime will not be established.
4. Motivation for the option
This option allows a telnet server running VM or MVS to negotiate
with the telnet client on the type of data stream (3270 or NVT ASCII)
which both sides are willing support.
The main reason for this option is to allow simple and efficient way
to:
o state, that both client and server want to exchange 3270 data
stream,
o switch from 3270 Regime into NVT ASCII Regime and back into 3270
Regime,
o dynamically renegotiate 3270 Regime parameters (like terminal
type).
Support for 3270 data stream requires that both sides:
o be able to exchange binary data,
o be able to put well defined delimiters into inbound/outbound
data stream,
o be able to establi...