Internet
		  ^            ^      Multicast-enabled
		  |            |      Receiving Network
	   +------|------------|-------------------------+
	   |      |            |                         |
	   |  +--------+   +--------+    +=========+     |
	   |  | Border |---| Border |    |   AMT   |     |
	   |  | Router |   | Router |    | gateway |     |
	   |  +--------+   +--------+    +=========+     |
	   |      |            |              |          |
	   |      +-----+------+-----------+--+          |
	   |            |                  |             |
	   |      +-------------+    +-------------+     |
	   |      | Agg Routers | .. | Agg Routers |     |
	   |      +-------------+    +-------------+     |
	   |            /     \ \     /         \        |
	   | +---------------+         +---------------+ |
	   | |Access Systems | ....... |Access Systems | |
	   | |(CMTS/OLT/etc.)|         |(CMTS/OLT/etc.)| |
	   | +---------------+         +---------------+ |
	   |        |                        |           |
	   +--------|------------------------|-----------+
		    |                        |
	      +---+-+-+---+---+        +---+-+-+---+---+
	      |   |   |   |   |        |   |   |   |   |
	     /-\ /-\ /-\ /-\ /-\      /-\ /-\ /-\ /-\ /-\
	     |_| |_| |_| |_| |_|      |_| |_| |_| |_| |_|

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