RFC 892:ISO Transport Protocol Specification
RFC-Ref

DC


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... DR TPDU Disconnect request TPDU DC TPDU Disconnect confirm TPDU DT TPDU Data TPDU ED TPDU Expedited data TPDU ...


... Disconnect Request DR Disconnect Confirm DC Data DT Expedited Data ED ...
... CC, DR, DT, ED, AK, EA, RJ, DC, ERR ...
... 64 octets) DC Description: ...
... Disconnect Request (DR) TPDU, and the other responds with a Disconnect Confirm (DC) TPDU. When the DC TPDU is sent or received by a transport ...
... DR) TPDU, and the other responds with a Disconnect Confirm (DC) TPDU. When the DC TPDU is sent or received by a transport entity, that ...
... not to exist (note 1). After the sending of a DR TPDU, other TPDUs received before the DC TPDU are ignored. It is possible that a disconnect collision will occur, when both transport entities send a ...
... DR TPDU as a confirmation of its DR TPDU, and shall not send or expect to receive a DC TPDU. The DR ...
... connection has been released, after the exchange of DR and DC, the reference can be re-used immediately (except in Class 4, where the Frozen Reference function is used, see Section 6.19). This ...
... DR, DC - source reference - destination ...
... DR TPDU can be received for a transport connection which does not exist. Rather than treating this as an error, a DC TPDU should be send back which reflects the references of the DR TPDU. ...
... CR, CC, DR, DC ...
... DR receipt of DC or DR (in case of collision) TPDU ...
... CR, DR, CC, DC RJ, EA ...
... o if the first received TPDU os a DR, then transmit a DC TPDU. o if the first received TPDU is a CR ...
... CC, DR, DC, DT, AK, ED, EA, RJ, ERR - destination ...


... transport entity to retransmit DR. Only DC and DR will be accepted and interpreted as the completion of the connection ...
... Receipt of a Disconnect Request (DR) for an unassigned Reference will result in a Disconnect Confirm (DC) response. 7.2.4.2 Connection ...
... transport entity will ignore any incoming TPDU except DC or DR. ...
... entity to retransmit DR. Only DC and DR will be accepted and interpreted as the completion of the connection ...
... retransmission ceases. The DC TPDU is sent only in response to a DR TPDU, and is not subject ...
... retransmission procedure. The DC TPDU when received allows the transport entity ...
... for a period L. If a DC TPDU is received for a local reference which is in the frozen state, or with a remore reference not matching the ...
... is in the frozen state, or with a remore reference not matching the already recorded one, this DC TPDU shall be ignored. 7.4.7 Treatment of Invalid TPDUs ...


... DR Disconnect Request x x x x x 8.5 10000000 DC Disconnect Confirm x x x x 8.6 11000000 DT Data x x x x x 8.7 11110000 ...
... guaranteed. 8.6 Disconnect Confirm (DC) (Not used in Class ...
... 8.6.3 Fixed Part (Octets 2 to 6) DC : Disconnect Confirm Code: 1100 DST ...



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