iSCSI: resend of diagram from 2.5.1

["Andre Asselin" <asselin@us.ibm.com>]

It looks like my original post with an updated diagram for section 2.5.1
got wrapped badly.  Here's a second attempt that hopefully will make it
through.


(original)
   ----------------------------IP Network---------------------
         |               |                    |
+--------|---------------|--------------------|---------------------+
|   +----|---------------|-----+         +----|---------+           |
|   | +---------+  +---------+ |         | +---------+  |           |
|   | | Network |  | Network | |         | | Network |  |           |
|   | | Portal  |  | Portal  | |         | | Portal  |  |           |
|   | +--|------+  +---------+ |         | +---------+  |           |
|   |    |               |     |         |    |         |           |
|   |    |    Portal     |     |         |    | Portal  |           |
|   |    |    Group 1    |     |         |    | Group 2 |           |
|   +--------------------------+         +--------------+           |
|        |               |                    |                     |
|   +----------------------------+  +-----------------------------+ |
|   | iSCSI Session (Target side)|  | iSCSI Session (Target side) | |
|   |                            |  |                             | |
|   |  (iSCSI Name + TSID=2)     |  | (iSCSI Name + TSID=1)       | |
|   +----------------------------+  +-----------------------------+ |
|                                                                   |
|                      iSCSI Target Node                            |
|              (within Network Entity, not shown)                   |
+-------------------------------------------------------------------+


(updated)


    ----------------------------IP Network---------------------
         |              |                       |
+--------|--------------|-----------------------|---------------------+
|        |              |                       |                     |
|   +----|----+    +----|----+             +----|----+                |
|   | Network |    | Network |             | Network |                |
|   | Portal  |    | Portal  |             | Portal  |                |
|   +---------+    +---------+             +---------+                |
|        |              |                       |                     |
| +------|--------------|-----------------------|-------------------+ |
| | +----|--------------|------+         +------|-------+           | |
| | |         Portal           |         |    Portal    |           | |
| | |         Group 1          |         |    Group 2   |           | |
| | +--------------------------+         +--------------+           | |
| |                |                             |                  | |
| | +----------------------------+  +-----------------------------+ | |
| | | iSCSI Session (Target side)|  | iSCSI Session (Target side) | | |
| | |                            |  |                             | | |
| | |  (iSCSI Name + TSID=2)     |  | (iSCSI Name + TSID=1)       | | |
| | +----------------------------+  +-----------------------------+ | |
| |                                                                 | |
| |                    iSCSI Target Node                            | |
| +-----------------------------------------------------------------+ |
|                                                                     |
|                       Network Entity                                |
+---------------------------------------------------------------------+

Andre Asselin
IBM ServeRAID Software Development
Research Triangle Park, NC