Suppose Oracle is planning to develop a distributed database system.
You have been asked to take part in the preliminary design. Your task
is to consider the issue of building a distributed database system
that incorporates a computer network rather than having a distributed
database system sitting on top of an existing network. Thus, this new
proposed distributed database system is both a computer network and a
distributed database system all in one software program. You have to
decide if you like this idea or not. You must discuss this objectively
with relevant information and defend your position.

They already have several types of distributed databases.  (shared and
shared nothing)