Module Mobile and Distributed Systems, Computer Science (Master) (ER 7)

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Module summary
Module name Mobile and Distributed Systems
Internal number INFM230
Coordinator Prof. Dr. Oliver P. Waldhorst
Extent 7 ECTS points / 6 Contact hours
Semester 2nd Semester
Pre-requisites with regard to content none
Pre-requisites according to the examination regulations none
Competencies This module enables the students to understand and conceptualize mobile and distributed system architectures. They use and understand the terminology of components, layers, interfaces and standards. Students have command of functional as well as non-functional requirements upon the system and software architecture. Distribution, integration and the interaction of different technologies are also understood.
Assessment Written Exam 120 Min. (graded)

Course Distributed Systems
Internal number INFM231.b	Type/mode Lecture
Lecturer Prof. Dr. Christian Zirpins	Language of instruction German
Extent (ECTS/SWS) 2/2	Assessment Module exam
Content The lecture provides the basic knowledge for the design of distributed information systems. The starting point form general system and software architecture issues, regardless of concrete technologies. Then follows a central theme of the concept of middleware. There is a distinction with regard to application, communication and message-oriented middleware made. As a first concrete technology and to clarify the knowledge learned will be dealt with Web services.
Recommended reading Powerpoint transparencies, blackboard notes, exercise sheets. Literature: Hammerschall: Verteilte Informationssysteme (Pearson Studium, 2005 , ISBN 3- 8273 - 7096 -5) Sebastian Abeck et al. "Verteilte Systeme und Anwendungen" Ralf Reussner, Wilhelm Hasselbring"Handbuch derSoftware-Architektur"
Comments Seminaristic lecture, exercises

Course Distributed Systems Laboratory
Internal number INFM232	Type/mode Laboratory
Lecturer Prof. Dr. Christian Zirpins	Language of instruction German
Extent (ECTS/SWS) 3/2	Assessment Laboratory Work 1 Semester (not graded)
Content The model is defined jointly for the Distributed Systems Laboratory and the Graphical User Interfaces Laboratory. In this laboratory course, the work is focused on back end development, whereas front end and user interface are developed in the Graphical user Interfaces Laboratory. The concrete problem description is based on current industrial topics, therefore changes in each semester.
Recommended reading Powerpoint transparencies, tutorial papers for frameworks
Comments Prerequisites Java Web and application components. Persistence layer and DBMS Format Presence time with supported teamwork in the laboratory 50 %, self-study 50 %. Oral exam and presentation. Counseling 2 hours guidance in the lab, introductory lecture, contact hours also according to individual schedule, eMail.

Course Mobile Systems
Internal number INFM231.a	Type/mode Lecture
Lecturer Prof. Dr. Oliver P. Waldhorst	Language of instruction German
Extent (ECTS/SWS) 2/2	Assessment Module exam
Content Within the course "mobile systems" the students learn the basics and concepts of mobile computing. The first part of the course introduces the problems and challenges, which one has to solve in mobile computing. The course focuses on mobility support on higher levels. Different variants of client-server architectures are compared, and treated in principle. Also caching strategies, transaction models, and concurrency control concepts are discussed. In the second part the basics of wireless communication and cellular networks are established. Beside the different variants of medium access, infrastructure and services of global cell phone standards (GSM, UMTS, LTE) are discussed, as well as their potential for mobile applications.
Recommended reading Slides, textbooks, and other literature: Schiller, J. Mobile Communications - Addison-Wesley, 2000. Walke, B., Althoff M. P. und Seidenberg, P. UMTS - Ein Kurs - Schlembach, 2002. Pitoura, E and Samaras, G. Data Management for Mobile Computing - Kluwer, 1998. Roth, J. Mobile Computing: Grundlagen, Technik, Konzepte - dpunkt.verlag, 2002. Höpfner, H., Türker, C. und König-Ries, B. Mobile Datenbanken und Informationssysteme - dpunkt.verlag, 2005 Fuchß, Th. Mobile Computing: Grundlagen und Konzepte für mobile Anwendungen - München: Hanser Fachbuchverlag, 2009.
Comments The lecture will take the form of seminars with exercises.