Current Design
                                                                     Potential Design
     +-------------+    +-------------+
     |             |    |             |              +-------------+  +-------------+  +-------------+
     |  Frontend   |    |  Frontend   |              |             |  |             |  |             |
     |             |    |             |              |  Frontend   |  |  Frontend   |  |  Frontend   |
     +-----+-------+    +------+------+              |             |  |             |  |             |
           |                   |                     +------+------+  +------+------+  +------+------+
           +-------------------+                            |                |                |
           |                   |                            |                |                |
    +------+--------+  +-------+-------+             +------+------+  +------+------+  +------+------+
    |               |  |               |             |             |  |             |  |             |
    |   Scheduler   |  |   Scheduler   |             |  Scheduler  +--+  Scheduler  +--+  Scheduler  |
    |               |  |               |             |             |  |             |  |             |
    +-+---------+---+  +---+---------+-+             +-+---------+-+  +------+------+  +--+--------+-+
      |         |          |         |                 |         |           |            |        |
      |         |          |         |                 |         |           |            |        |
+-----+--+ +----+---+  +---+----+ +--+-----+      +----+---+ +---+----+  +---+----+  +----+---+ +--+-----+
|        | |        |  |        | |        |      |        | |        |  |        |  |        | |        |
| Worker | | Worker |  | Worker | | Worker |      | Worker | | Worker |  | Worker |  | Worker | | Worker |
|        | |        |  |        | |        |      |        | |        |  |        |  |        | |        |
+--------+ +--------+  +--------+ +--------+      +--------+ +--------+  +--------+  +--------+ +--------+