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CCSDS File Delivery Protocol (CFDP)—Part 1: Introduction and ...

CCSDS File Delivery Protocol (CFDP)—Part 1: Introduction and ...

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Lab User Lab <strong>CFDP</strong> Waypoint (NCC)<br />

S/C <strong>CFDP</strong><br />

S/C User<br />

<strong>CCSDS</strong> 720.1-G-3 Page 3-24 April 2007<br />

Transaction-Finished<br />

Indication<br />

Rx Finished (no error) PDU<br />

(End System<br />

Status Flag=1)<br />

Tx ACK (Finished) PDU<br />

Notice of<br />

Completion<br />

From Part 1<br />

Copy <strong>File</strong> Procedure<br />

Tx Metadata PDU<br />

Tx <strong>File</strong> Data PDU (1)<br />

Tx <strong>File</strong> Data PDU (2)<br />

Tx <strong>File</strong> Data PDU (3)<br />

:<br />

Tx <strong>File</strong> Data PDU (N)<br />

Tx <strong>File</strong> Data PDU (N+2)<br />

Tx <strong>File</strong> Data PDU (N+1)<br />

Tx <strong>File</strong> Data PDU (M)<br />

Tx EOF (no error) PDU<br />

(checksum)<br />

Rx ACK (EOF) PDU<br />

Rx Finished (no error) PDU<br />

(End System<br />

Status Flag=1)<br />

Tx ACK (Finished) PDU<br />

Tx Finished (no error) PDU<br />

(End System<br />

Status Flag=1)<br />

Rx ACK (Finished) PDU<br />

Rx Metadata PDU<br />

CRC procedure<br />

Copy <strong>File</strong> Procedure<br />

Rx <strong>File</strong> Data PDU (1)<br />

Rx <strong>File</strong> Data PDU (2)<br />

Rx <strong>File</strong> Data PDU (3)<br />

:<br />

Rx <strong>File</strong> Data PDU (N)<br />

Rx <strong>File</strong> Data PDU (N+2)<br />

Rx <strong>File</strong> R Data PDU (N+1)<br />

:<br />

Rx <strong>File</strong> Data PDU (M)<br />

Rx EOF (no error) PDU<br />

Tx ACK (EOF) PDU<br />

Checksum verify<br />

Notice of<br />

Completion<br />

Tx Finished (no error) PDU<br />

(End System<br />

Status Flag=1)<br />

Rx ACK (Finished) PDU<br />

Metadata-Rcv<br />

Indication<br />

<strong>File</strong>-Segment-Rcv Indication<br />

<strong>File</strong>-Segment-Rcv Indication<br />

:<br />

:<br />

EOF-Recv<br />

Indication<br />

Transaction-Finished<br />

Indication<br />

(<strong>File</strong> Completion Map)<br />

<strong>CCSDS</strong> REPORT CONCERNING THE <strong>CCSDS</strong> FILE DELIVERY PROTOCOL (<strong>CFDP</strong>)<br />

Figure 3-12: Reliable Upload via One Waypoint (Part 2)

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