Objectives of Network Design
Network should be Modular.
Support growth and change.
Scaling the network is eased by adding new modules instead of complete redesigns.
Network should be Resilient.
Up-time close to 100 percent.
If network fails in some companies (e.g. financial), even for a second, may represent millions of lost revenue.
If network fails in a modern hospital, this may represent lost of lives.
Resilience has costs.
Resilience level should be a trade-off between available budget and acceptable risk.
Network should have Flexibility.
Businesses change and evolve.
Network should adapt quickly.
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