The remainder of the paper is organized as following.
Section 2 gives a short introduction to the G-Hadoop architecture.
Section 3 describes the designed security framework in detail.
Section 4 demonstrates how the proposed security framework guarantees the security of the underlying system and analyzes its security performance against common attacks.
An initial implementation of the framework is described in Section 5.
Finally, the paper concludes in Section 6 with a brief summary and several future directions.