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http://dx.doi.org/10.3745/KIPSTA.2007.14-A.1.001

MPICH-GP : An MPI Extension to Supporting Private IP Clusters in Grid Environments  

Park, Kum-Rye (삼성전자 정보통신총괄 무선사업부 WiBro S/W Lab.)
Yun, Hyun-Jun (서강대학교 컴퓨터학과)
Park, Sung-Yong (서강대학교 컴퓨터학과)
Kwon, Oh-Young (한국기술교육대학교)
Kwon, Oh-Kyoung (KISTI 슈퍼컴퓨팅센터)
Publication Information
The KIPS Transactions:PartA / v.14A, no.1, 2007 , pp. 1-14 More about this Journal
Abstract
MPICH-G2 is an MPI implementation to solve complex computational problems by utilizing geographically dispersed computing resources in grid environments. However, the computation nodes in MPICH-G2 are exposed to the external network due to the lack of supporting the private IP clusters, which raises the possibility of malicious security attacks. In order to address this problem, we propose MPICH-GP with a new relay scheme combining NAT(Network Address Translation) service and an user-level proxy. The proxy running on the front-end system of private IP clusters forwards the incoming connection requests to the systems inside the clusters. The outgoing connection requests out of the cluster are forwarded through the NAT service on the front-end system. Through the connection path between the pair of processes, the requested MPI jobs can be successfully executed in grid environments with various clusters including private IP clusters. By simulations, we show that the performance of MPICH-GP reaches over 80% of the performance of MPICH-G2, and over 95% in ease of using RANK management method.
Keywords
Grid; MPI; MPICH-G2; Private IP Cluster;
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