This paper studies the LHS of RA in the DOI system, presents an improvement to make the LHS of RA more secure and high available based on Handle System standards and DOI system mechanism.

• 对DOI系统中RA的IMS部署进行了深入研究,在遵循HandleSystem标准和DOI运行机制的情况下,提出改进方案使RA部署LHS更加高效和安全,从而提高整个DOI系统的性能。