Distributed Obiects 分布对象(1) Institute of Computer Software 2021/2/5 Nanjing University
分布对象(1) Distributed Objects 2021/2/5 Institute of Computer Software Nanjing University 1
最病 过摘要 口背景 a Why What, How 一般框架 口 CORBA 口 Java rm Institute of Computer Software 2021/2/5 Nanjing University
摘要 背景 Why, What, How 一般框架 CORBA Java RMI 2021/2/5 Institute of Computer Software Nanjing University 4
最病 背景 5 口分布式计算( Distributed computing) a What the process of running a single computational task on more than one distinct computer from Wikipedia Compare to "Parallel computing a Why a Howe 实践表明,分布式应用系统的开发比集中式应用系统开 发困难的多。 Institute of Computer Software 2021/2/5 Nanjing University
背景 分布式计算（Distributed computing） What: ◼ the process of running a single computational task on more than one distinct computer -- from Wikipedia ◼ Compare to “Parallel Computing” Why? How? ◼ 实践表明，分布式应用系统的开发比集中式应用系统开 发困难的多。 2021/2/5 Institute of Computer Software Nanjing University 5
分布式计算 6 Why? 口“世界是分布的”。 有时将涉及的用户、应用、数据集中化不合适、不可行。 口资源共享 并行处理 口冗余容错 → The main goal of a distributed computing system is to connect users and resources in a transparent, open, and scalable way. Ideally this arrangement is drastically more fault tolerant and more powerful than many combinations of stand-alone computer systems Institute of Computer Software 2021/2/5 Nanjing University
分布式计算 Why? “世界是分布的”。 ◼ 有时将涉及的用户、应用、数据集中化不合适、不可行。 资源共享 并行处理 冗余容错 →The main goal of a distributed computing system is to connect users and resources in a transparent, open, and scalable way. Ideally this arrangement is drastically more fault tolerant and more powerful than many combinations of stand-alone computer systems. 2021/2/5 Institute of Computer Software Nanjing University 6
The Business model Every application is part of your business model must make them work together! Payables/ Receivables Sales Accounting Manufacturing Inventory Shipping/ ReceIving Engineering Distributed Systems Frameworks
Distributed Systems Frameworks 7 The Business Model Every application is part of your business model must make them work together! Shipping/ Receiving Inventory Engineering Manufacturing Accounting Payables/ Receivables Sales