关键词: 普适计算 SOA（Service-Oriented Architecture） Kerberos认证 粒度 组件复用

Abstract: Pervasive computing lays emphasis on the seamless integration of users, devices and environment, which challenges the traditional software technology and requires innovational software architecture. Obviously, software architecture plays a key role in per

Key words: Pervasive computing, SOA （Service-Oriented Architecture）, Kerberos authentication, Granularity, Component reuse