Oo Common architectural styles for network-based software Data-flow styles Pipe and Filter (PF) Uniform Pipe and Filter(UPF: 所有过滤器必须具有相同的接口 风格继承网用效可简可可可可|可|可|可|可 络户率伸单进扩定配重见|移|靠 性 缩性化展制置|用性|植|性 能 可觉察性能± 性 性性性性性 性 UPF PF +|++|+Common architectural styles for network-based software • Data-flow Styles – Pipe and Filter (PF) • Uniform Pipe and Filter (UPF): – 所有过滤器必须具有相同的接口