Overview of Grid & Globus Namyoon Woo Distributed Computing System Lab. SNU.

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Presentation transcript:

Overview of Grid & Globus Namyoon Woo Distributed Computing System Lab. SNU

Contents Grid Concepts Grid Middlewares & Their Roles How a Grid Application Works.

New Trend in Architecture SMP MMP NOW Cluster GRID Resource Sharing Global Area Heterogeneity Management of Distributed Resources Single System Image View Internet Network Sharing Web Information Sharing

What is Grid? “ 지리적으로 분산된 고성능 컴퓨터, 대용량 DB 및 첨단 장비 등의 정보통 신자원을 고속 네트워크로 연동하여 상호공유 / 이용할 수 있도록 하는 신 정보 SOC (4As)” -Advanced Network( 지능화된 네트워크, GRID 네트워크 ) -Advanced Computer & Equipment( 고성능 컴퓨터와 최첨단 장비 ) -Advanced Application( 차세대 응용과제, GRID 응용 프로젝트 ) -Advanced Human Resource( 과학기술인력, GRID 이용능력 보유자 )

Grid Concept at the view of system engineers

Grid Concept at the view of vendors On-Demand Computing Middleware Storage Edge Servers User Researcher Business Web Presentation Servers Web Application Servers Directory And Security Servers Data Servers Transaction Servers

Grid Concept at the view of application developers Supercomputer 대형연구 장비 첨단연구장비 학제간공동 연구 대규모 데이터 (BT, NT, etc.) 고성능 클러스터 가상실험 시스템 첨단대형 연구장비 원격제어 및 감시 연구망 (Gbps) N*Grid NT ET CT BT 선박 반도체 자동차 ST 기계 기상

Grid Concept at the view of application developers 데이터 획득 공동연구 Communit y Server 분석과정의 데이터 실시간 전송 분석 DB 분석 데이터 (Image, Spectrum 등 ) Upload 저장 데이터 조회 및 분석 Voice, Video Conferencing Voice, Video Conferencing 연구장비 인터페이스 공동연구자

Basic Grid Services uniform and versatile authentication, authorization, and security services standardized access to data archives and services for data location management standardized access to compute resources dynamic construction of execution environments supporting complex distributed applications services supporting construction and management of collaborations (virtual organizations)

Main Features of Grid Middleware 그리드 보안 시스템 그리드 정보 서비스 시스템 컴퓨팅 자원 관리 시스템 그리드 미들웨어 툴킷 공통 기본 라이브러리 Run-time 시스템 글로벌 큐잉 시스템 어플리케이션에 따른 PSE 대규모 데이터 관리 시스템 사용자 서비스 시스템 그리드 미들웨어 패키지화

Hourglass Model of Globus Globus is de-facto standard of Grid services.

Layered Architecture Applications Core Services Metacomputing Directory Service GRAM Globus Security Interface Replica Catalog GASS GridFTP Local Services LSF CondorMPI NQEPBS TCP AIXLinux UDP High-level Services and Tools CactusCondor-GMPINimrod/Gglobusrun PUNCH Grid Status I/O Solaris DRM

How a grid application works !. When an User initiates a MPI program … Compilation of MPICH-G2 based application is complete %mpirun – dumprsl – np 12 ring RSL script to stdout %mpirun – globusrsl my.rsl + (&(resourceManagerContact= “ add113 ” ) (count=12) (label= “ subjob 0 ” ) (environment= (GLOBUS_DUROC_SUBJOB_INDEX 0)) (directory= “ /home/voxel ” ) (executable= “ /home/voxel/ring ” ) ) …

How a grid application works

GSI(Grid Security Infrastructure)’s story