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-rw-r--r--docs/requirements/summary.rst8
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diff --git a/docs/requirements/summary.rst b/docs/requirements/summary.rst
index 3736072..2761a48 100644
--- a/docs/requirements/summary.rst
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@@ -29,6 +29,14 @@ Based on the gap analyses, we draw the following conclusions:
networking on-demand in order to accelerate time-to-market and achieve business
agility for innovations in NFV networking business.
+* Neutron networks are implicitly, because of their reliance on subnets, L2
+ domains. L2 network overlays are the only way to implement Neutron networks
+ because of their semantics. However, L2 networks are inefficient ways to
+ implement cloud networking, and while this is not necessarily a problem for
+ enterprise use cases with moderate traffic it can add expense to the
+ infrastructure of NFV cases where networking is heavily used and efficient use
+ of capacity is key.
+
* In NFV environment it should be possible to execute network administrator tasks
without OpenStack administrator rights.