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A Computer network is an interconnection of a group of computer.
Computer network may be classified according to the network topology,
such as Bus network, Star Network, Ring network, Mesh network,
Hybrid network, etc. Needs identification is a crucial step before
designing and developing a computer network. Based on the
identification, then the suitable network topology can be determined as
well as the hardware needed for that network. A case study in designing
computer network conducted based on the result of identification in
2006 at Indonesian Center for Vegetables Research, Lembang (ICVR),
West Java and Secretariat Jakarta. It is recommended that computer
network at ICVR and Secretariat should use Bus, Star, Hybrid and
wireless topology. The difference between these two networks in ICVR
and Secretariat is Demiliterized zone is applied at Secretariat.