The ryu-manager creates structures which applications share.
Currently it is hard-coded in ryu-managers. Concretely network.Network and
dpset.DPSet. It is difficult to maintain the code appropriately by hand.
When the application is changed or new application comes in, ryu-manager
also must be updated.
So introduce the notion of application context so that application manager
can determine what structures applications want to share and create them.
Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
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