Ben Franklin once said that you should enjoy laws and sausages, but don't even try to understand how either one gets made. Acceptable wording describing a function's criticality includes the following:. The cooperative computing model is thus more hierarchical than the client—server flow cf. Such modeling is helpful for studying the system. After the framed data arrives at Server 2, that server's protocols are responsible for checking the validity of the data and forwarding it up through the various layers to the correct application.
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