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12. SESSION TRANSACTION EXAMPLES..................................... 30
12.1 A simple file transfer.................................... 30
12.2 Challenge and Command Download............................ 31
13. ZFILE FRAME FILE INFORMATION..................................... 31
14. PERFORMANCE RESULTS.............................................. 33
14.1 Compatibility............................................. 33
14.2 Throughput................................................ 33
14.3 Error Recovery............................................ 34
15. PACKET SWITCHED NETWORK CONSIDERATIONS........................... 34
16. PERFORMANCE COMPARISON TABLES.................................... 36
17. FUTURE EXTENSIONS................................................ 41
18. REVISIONS........................................................ 41
19. MORE INFORMATION................................................. 42
19.1 TeleGodzilla Bulletin Board............................... 42
19.2 Unix UUCP Access.......................................... 42
20. ZMODEM PROGRAMS.................................................. 43
20.1 Adding ZMODEM to DOS Programs............................. 44
21. YMODEM PROGRAMS.................................................. 45
22. ACKNOWLEDGMENTS.................................................. 45
23. RELATED FILES.................................................... 45
LIST OF FIGURES
Figure 1. Order of Bytes in Header................................... 14
Figure 2. 16 Bit CRC Binary Header................................... 14
- ii -
Figure 3. 32 Bit CRC Binary Header................................... 14
Figure 4. HEX Header................................................. 15
Figure 5. Transmission Time Comparison............................... 37
LIST OF TABLES
TABLE 1. Network and Flow Control Compatibility...................... 35
TABLE 2. Protocol Overhead Information............................... 36
TABLE 3. Local Timesharing Computer Download Performance............. 37
TABLE 4. File Transfer Speeds........................................ 38
TABLE 5. Protocol Checklist.......................................... 39