Indirect IPC or direct IPC

chenggh chenggh04 at
Wed Jan 10 08:00:29 CET 2007

	Today I read the DICE Manual 3.1.0 and it talks about something about 
indirect IPC and direct IPC.
	According to my understanding it seems like this:
	indirect IPC: sender - > message buffer -> receiver
	direct IPC: sender ->sender buffer -> receive buffer ->receiver.

	But I think this understanding is wrong and I don't search something helpful 
by google, too. If somebody knows please tell me.

	In this manaul it says ln L4 version 4 all constructed data types will be 
transmitted by indirect IPC not direct IPC. I also want to know why.

	Thank you.
	Best wishes.

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