PPT-Distributed Objects and object persistence

2 Distributed objects Distributed computing part of the system located on separate computers Distributed objects allow objects running on one machine to be used by client applications on different computers. Data Using a Difference of Monotonic Representation. VLDB ‘11, Seattle. Guy . Sagy. , . Technion. , Israel. . Daniel Keren, Haifa University, Israel. . Assaf. . Schuster, . Technion. , Israel. Mahesh Balakrishnan. , Dahlia Malkhi, Ted Wobber, Ming Wu, Vijayan Prabhakaran Michael Wei, John D. Davis, Sriram Rao, Tao Zou, . Aviad. . Zuck. Microsoft Research. big . meta. data. design pattern: distribute data, . Objects and Remote Invocation. Source:. George . Colouris. , Jean . Dollimore. , Tim . Kinderberg. & Gordon Blair (2012). Distributed Systems: Concepts & Design (5. th. Ed.). Essex: . Addison-Wesley. Tran, Van Hoai. Department of Systems & Networking. Faculty of Computer Science & Engineering. HCMC University of Technology. Outline. Distributed objects. Binding client to object. Static vs Dynamic. CSCI 201L. Jeffrey Miller, Ph.D.. http://www-scf.usc.edu/~csci201. USC CSCI 201L. Outline. USC CSCI 201L. 2. /24. Distributed Programming. RMI. CORBA. Web Services. Test Yourself. Remote Procedure Calls. Mahesh Balakrishnan. , Dahlia Malkhi, Ted Wobber, Ming Wu, Vijayan Prabhakaran Michael Wei, John D. Davis, Sriram Rao, Tao Zou, . Aviad. . Zuck. Microsoft Research. big . meta. data. design pattern: distribute data, . Why you should care about Object Orientation (OO). Iñaki. . Serraller. Vizcaino. Overview. Objectives. OO Vs. Procedural. Concepts. Objects. Classes. Inheritance. Polymorphism. Features. When to Use OO?. Distributed Objects (Background). The . message-passing . paradigm is a natural model for distributed computing, in the sense that it mimics inter-human communications. It is an appropriate paradigm for network services where processes interact with each other through the exchanges of messages. . Topic D.1.2. Distinguish between an . object. . (definition, template or class) and . instantiation. Class vs. Object. Reminder: Steps in object creation. A . class provides the . blueprints. for objects. . Set up a large number of machines all identically configured. Connect them to a high speed LAN. And to the Internet. Accept arbitrary jobs from remote users. Run each job on one or more nodes. Entire facility probably running mix of single machine and distributed jobs, simultaneously. Iterator. and . iterator(). Collections have an . iterator(). method.. This returns an . Iterator. object.. Iterator<E>. has three methods:. boolean hasNext(). E next(). void remove(). Using an Iterator object. Iterator. and . iterator(). Collections have an . iterator(). method.. This returns an . Iterator. object.. Iterator<E>. has three methods:. boolean hasNext(). E next(). void remove(). Using an Iterator object. threaded. Active . Objects. : Design and . Implementation. Justine Rochas. Thesis. . supervised. by Ludovic . Henrio. (CNRS). Reviewers. . Einar. . Broch . Johnsen. . University. . of Oslo. Shadi A. . Noghabi. *. , . Sriram. Subramanian. +. , . Priyesh. Narayanan. +. , . Sivabalan. Narayanan. +. , . Gopalakrishna. . Holla. +. , . Mammad. . Zadeh. +. , . Tianwei. Li. +. , . Indranil.