摘要: G. Booch (see ibid., vol.SE-12, no.2, p.211-21, Feb. 1986) has analyzed a problem involving the software of set free-floating buoys. The correspondence points out that Booch's analysis fails to address one important system issue, namely fact must support two concurrent activities, and shows an according M.A. Jackson method will reveal this difficulty at early design stage. On other hand, approach does not deal with some configuration issues, which are handled in analysis. This is sometimes enough all important, systemwide aspects problem. Rather than arguing about best, author recommends taking electric view using any combination approaches yields results given situation. >