| 摘 要: 随着云计算的应用不断拓展，云计算自身也面临着巨大的挑战。本文针对数据访问隔离，提出了具有时态 特性的多层次访问控制模型，保证信道中传输的静态数据以及用户下共同使用的数据，具有隔离性、正确性和完整性。 |
| 关键词: 云计算；大数据；访问控制；安全性 |
|
中图分类号: TP393
文献标识码: A
|
|
| The Study of the Security and Protection of Big Data Base on Cloud Computing |
|
ZHANG Yuqin
|
( Department of Electric & Electronic Engineering, Jiandong Vocational Training College of Changzhou, Changzhou 213000, China)
|
| Abstract: Cloud computing is facing huge challenges itself with the enrichment and extension of cloud applications. This paper aims at the security of data and proposes a multi-level access control model with tense property.It ensures the security of static data transferred in the channel and data commonly used by users and is of great isolation, validity and integrity. |
| Keywords: cloud computing;big data;access control;security |
