CCSDS File Delivery Protocol (CFDP)âPart 1: Introduction and ...
CCSDS File Delivery Protocol (CFDP)âPart 1: Introduction and ...
CCSDS File Delivery Protocol (CFDP)âPart 1: Introduction and ...
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<strong>CCSDS</strong> 720.1-G-3 Page 2-25 April 2007<br />
Optional =<br />
Proxy<br />
Request<br />
Request Primitives<br />
PDUs<br />
Indication Primitives<br />
Msg to<br />
User<br />
<strong>File</strong> Store<br />
Requests<br />
Initiation<br />
<strong>File</strong> Directory<br />
Listing Request<br />
Put.request<br />
Transaction.indication<br />
destination<br />
addressing<br />
<strong>File</strong> <strong>Delivery</strong><br />
Control<br />
Transfer Operation<br />
Control<br />
Metadata-receive.indication<br />
Management<br />
Information<br />
Base (MIB)<br />
Operation<br />
Metadata PDU<br />
<strong>File</strong> Data PDU<br />
NAK PDU<br />
NOTE: Fault.indication <strong>and</strong><br />
Ab<strong>and</strong>oned.indication are<br />
triggered by the Fault H<strong>and</strong>ler.<br />
Report.request<br />
Suspend.request<br />
Prompt<br />
(NAK)<br />
Suspend PDU<br />
Prompt PDU<br />
Prompt<br />
(Keep Alive)<br />
Report.indication<br />
<strong>File</strong>-segment-recv.indication<br />
Monitor <strong>and</strong><br />
Control<br />
Resume.request<br />
Resume PDU<br />
Keep Alive PDU<br />
Suspended.indication<br />
Resumed.indication<br />
EOF<br />
(no error)<br />
EOF PDU<br />
EOF<br />
(cancelled)<br />
EOF-Sent.indication<br />
EOF-Recv.indication<br />
Figure 2-14: Request Primitives, PDUs, <strong>and</strong> Indication Primitives—Operational View<br />
Termination<br />
ACK<br />
(EOF)<br />
ACK PDU<br />
Cancel.request<br />
Finished<br />
(completed)<br />
ACK<br />
(Finished)<br />
Finished<br />
(cancelled)<br />
Finished PDU<br />
Transaction-Finished.indication<br />
Transfer-Consigned.indication<br />
<strong>CCSDS</strong> REPORT CONCERNING THE <strong>CCSDS</strong> FILE DELIVERY PROTOCOL (<strong>CFDP</strong>)
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