A solution advisor tool for designing an information technology (IT) solution, comprising: (1) a knowledge management system for generating and storing information in a hierarchical format, wherein the knowledge management system includes: (a) a first knowledge base of characteristics; (b) a second knowledge base that manages relationship information regarding the interactions of characteristics and defines all valid characteristic combinations, wherein each valid characteristic combination forms a network unit; (c) a third knowledge base that manages information regarding the interconnectability of network units, wherein a valid combination of network units comprises a configuration; and (d) a fourth knowledge base that manages information regarding sets of possible configurations that can fulfill a predetermined function, wherein each set comprises a cloud; and (2) a design interface system for generating the IT solution.