Tag Archives: Engineering

Network Design Principles: Cost-benefit

A design can be evaluated using the cost-benefit principle. A design is good if the benefits outweigh the cost. From a designer perspective, a cost-benefit analysis can assess the financial returns associated with adding a design feature. The designer should also evaluate benefits and costs from the user’s perspective so… Read more »

Network Design Principles: Consistency

The consistency principle states that systems are more usable and learnable when similar parts are expressed in similar ways [Lidwell 2010]. Consistency can be in appearance (e.g. network documentation) or in function (e.g. device configuration). Internal consistency refers to consistency with other components in the system (e.g. DHCP allocates the… Read more »

Network Design Principles

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Design principles are widely applicable laws, guidelines, biases and considerations that designers use to guide their decision-making process. Engineers use some of these principles to design products that meet the users’ requirements. In a series of posts, I describe briefly one design principle that is applicable to the design of… Read more »