Research on access control models was started in the 1960s and 1970s by the two thrusts of mandatory and discretionary access control. Mandatory access control (MAC) came from the military and national security arenas whereas discretionary access control (DAC) had its roots in academic and commercial research laboratories. These two thrusts were dominant through the 1970s and 1980s almost to exclusion of any other approach to access control models. In the 1990s we have seen a dramatic shift towards pragmatism. The dominant access-control model of the 1990s is role-based access control (RBAC). It is now understood that RBAC encompasses MAC and DAC as special cases and goes beyond them in providing a policy-neutral framework. This SACMAT meeting has evolved from a highly successful and productive series of ACM workshops on RBAC. This panel will address the basic question of where do we go next with access control models. Do we need additional models or can we simply evolve the current set of RBACmodels? Is RBAC fundamentally deficient in some way? Where should be go in terms of standards? Is there useful formal and theoretical work to be done in the access control models arena? The first meeting with the title SACMAT is a fitting place to address these questions.
访问控制模型的研究始于1960年代和1970年代,这是由强制访问和随意访问控制这两个主旨推动的。强制访问控制(MAC)来自军事和国家安全领域,而随意访问控制(DAC)则起源于学术和商业研究实验室。在1970年代和1980年代,这两个重点一直占据主导地位,几乎排除了访问控制模型的任何其他方法。在1990年代,我们看到了向实用主义的巨大转变。 1990年代主要的访问控制模型是基于角色的访问控制(RBAC)。现在可以理解,RBAC包含MAC和DAC作为特殊情况,并且超出了提供策略中立框架的范围。这次SACMAT会议是从一系列非常成功和富有成果的RBAC ACM研讨会演变而来的。该小组将解决访问控制模型下一步要走的基本问题。我们是否需要其他模型,还是可以简单地扩展当前的RBAC模型集? RBAC是否在某种程度上从根本上不足?标准方面应该去哪里?在访问控制模型领域中是否有有用的形式和理论上的工作要做?标题为SACMAT的第一次会议是解决这些问题的合适地点。 P>
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