Abstract: Quality of service(QoS) supporting technology and security isolation technology are both hotspots in the research fields of server OS, which are also crucial for the servers’ competition. This paper discusses some important resource control technologies, and proposes a FreeBSD chamber(FC) mechanism—the QoS supporting and security isolation solution for the FreeBSD OS. The FC mechanism, which includes virtual execution environment in the superstratum and resource management framework in the downstratum, can provide total isolating execution environment and QoS support.

Key words: operating system(OS), quality of service(QoS), resource container, resource control

摘要： 服务质量支持技术和安全隔离技术是当前服务器操作系统研究领域的热点，也是服务器之间竞争的关键技术。该文分析了一些重要的资源控制技术，并结合这些技术提出了在FreeBSD操作系统中的QoS支持和安全隔离技术——FreeBSD Chamber(FC)机制。FC机制包括了上层的虚拟执行环境和底层的资源管理框架，提供完全隔离的执行环境和系统服务质量支持。

关键词: 操作系统, 服务质量, 资源容器, 资源控制

CLC Number: 

• TP391