Foreword
Many large projects in the networking industry, especially in the professional services or consulting arenas, have started with the statements: “There's something wrong in the network!” or the famous “The network is slow!” A large part of a networking consultant's working life can be devoted to identifying and resolving the underlying cause of those statements. When asked to resolve a networking issue, a consultant must grasp the problem (both actual and perceived), understand the environment of the problem (networking as well as organizational), and make intelligent guesses about the nature of the problem. The consultant must then drill down to find the exact nature of the problem, test the hypotheses, and then recommend or implement ...
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