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  1.                   Proposed SCSI-3 Standards Architecture (*)
  2. +------+ +--------+ +--------+ +--------+ +--------+ +----------+ +--------+
  3. |      | |SCSI-3  | |SCSI-3  | |SCSI-3  | |SCSI-3  | | SCSI-3   | |SCSI-3  |
  4. |      | |Block   | |Stream  | |Graphic | |Medium  | |Controller| |Multi-  |
  5. |      | |Commands| |Commands| |Commands| |Changer | |Commands  | |Media   |
  6. |  A   | | (SBC)  | | (SSC)  | | (SGC)  | |Commands| |  (SCC)   | |Commands|
  7. |  r   | +--------+ +--------+ +--------+ | (SMC)  | +----------+ | (MMC)  |
  8. |S c M |     |          |          |      +--------+      |       +--------+
  9. |C h o |     |          |          |          |           |           |
  10. |S i d |     +--------------------------------------------------------+
  11. |I t e |                                  |
  12. |  e l |                    +-------------------------------+
  13. |3 c   |                    | SCSI-3 Primary Commands (SPC) |
  14. |  t   |                    +-------------------------------+
  15. |  u   |                                  |
  16. |  r   |         +------------------------+-------------+
  17. |  e   |         |            |           |             |
  18. |      |   +-----------+ +--------+ +----------+ +------------+
  19. |(SAM) |   |  SCSI-3   | | Fiber  | |  Serial  | |  Serial    |
  20. |      |   |Interlocked| |Channel | |   Bus    | |  Storage   |
  21. |      |   | Protocol  | |Protocol| | Protocol | |  Protocol  |
  22. |      |   |   (SIP)   | | (FCP)  | |  (SBP)   | |   (SSP)    |
  23. |      |   +-----------+ +--------+ +----------+ +------------+
  24. |      |         |           |            |             |
  25. |      |   +-----------+ +--------+ +----------+ +------------+
  26. |      |   |  SCSI-3   | |        | |IEEE P1394| |  Serial    |
  27. |      |   | Parallel  | | Fibre  | |High Perf.| |  Storage   |
  28. |      |   | Interface | |Channel | |Serial Bus| |Architecture|
  29. |      |   |   (SPI)   | |(FC-PH) | | (1394)   | |   (SSA)    |
  30. +------+   +-----------+ +--------+ +----------+ +------------+
  31.  
  32. (*)  This chart reflects the currently approved SCSI-3 project family.
  33.  
  34.      All projects are in X3T10 (formerly X3T9.2), except FC-PH is in X3T11;
  35.      SSA and SSP are in X3T10.1; and P1394 is in IEEE.
  36.  
  37. (File SCSI-3.TXT last updated 6/13/94)
  38.  
  39.