Alexander Schill - Böcker

This volume presents the latest research worldwide on distributed computing platforms. Topics include experiences with distributed applications and standardized platforms (DCE, CORBA, ODP, ONCH, ANSAware); distributed platforms in advanced development and research projects; and network services. Topics covered include: experiences with distributed applications and standardized platforms (DCE, CORBA, ODP, ONCH, ANSAware and others); distributed platforms in advanced development and research projects; network services (directory, security, file management, etc.); distributed application management; objects in distributed environments; trading concepts and open markets of distributed services; quality of service in distributed applications; and applications of mobile communication systems. This book should be of interest to computer scientists, end users of client/server systems, and engineers.

Client/Server applications are of increasing importance in industry, and have been improved by advanced distributed object-oriented techniques, dedicated tool support and both multimedia and mobile computing extensions. Recent responses to this trend are standardized distributed platforms and models including the Distributed Computing Environment (DCE) of the Open Software Foundation (OS F), Open Distributed Processing (ODP), and the Common Object Request Broker Architecture (CORBA) of the Object Management Group (OMG). These proceedings are the compilation of papers from the technical stream of the IFIPIIEEE International Conference on Distributed Platforms, Dresden, Germany. This conference has been sponsored by IFIP TC6.1, by the IEEE Communications Society, and by the German Association of Computer Science (GI -Gesellschaft fur Informatik). ICDP'96 was organized jointly by Dresden University of Technology and Aachen University of Technology. It is closely related to the International Workshop on OSF DCE in Karlsruhe, 1993, and to the IFIP International Conference on Open Distributed Processing. ICDP has been designed to bring together researchers and practitioners who are studying and developing new methodologies, tools and technologies for advanced client/server environ­ ments, distributed systems, and network applications based on distributed platforms.

This book covers a range of leading-edge topics. It is suitable for teaching specialists for advanced lectures in the domains of systems architecture and distributed platforms. Furthermore, it serves as a basis for undergraduates as well as an inspiration for interesting postgraduates, looking for new challenges. It addresses a holistic view of QoS, which becomes nowadays via Digital Transformations less technically and more socially driven. This includes IoT, energy efficiency, secure transactions, blockchains, and smart contracting.Under the term Emerging Networking (EmN), we cover the steadily growing diversity of smart mobile and robotic apps and unmanned scenarios (UAV). EmN supports distributed intelligence across the combined mobile, wireless, and fixed networks in the edge-to-cloud continuum. The 6G driving factors and potentials in the mid-term are examined. Operative (emergency) networking, which assists rescue troops at sites, also belongs to the above-mentionedproblems. The EmN architecture includes the components of SDN, blockchain, and AI with efficient slicing and cloud support.The design peculiarities in dynamically changing domains, such as Smart Shopping/Office/Home, Context-Sensitive Intelligent apps, are discussed. Altogether, the provided content is technically interesting while still being rather practically oriented and therefore straightforward to understand.This book originated from the close cooperation of scientists from Germany, Ukraine, Israel, Switzerland, Slovak Republic, Poland, Czech Republic, South Korea, China, Italy, North Macedonia, Azerbaijan, Kazakhstan, France, Latvia, Greece, Romania, USA, Finland, Morocco, Ireland, and the United Kingdom.We wish all readers success and lots of inspiration from this useful book!

This book covers a range of leading-edge topics. It is suitable for teaching specialists for advanced lectures in the domains of systems architecture and distributed platforms. Furthermore, it serves as a basis for undergraduates as well as an inspiration for interesting postgraduates, looking for new challenges. It addresses a holistic view of QoS, which becomes nowadays via Digital Transformations less technically and more socially driven. This includes IoT, energy efficiency, secure transactions, blockchains, and smart contracting.Under the term Emerging Networking (EmN), we cover the steadily growing diversity of smart mobile and robotic apps and unmanned scenarios (UAV). EmN supports distributed intelligence across the combined mobile, wireless, and fixed networks in the edge-to-cloud continuum. The 6G driving factors and potentials in the mid-term are examined. Operative (emergency) networking, which assists rescue troops at sites, also belongs to the above-mentionedproblems. The EmN architecture includes the components of SDN, blockchain, and AI with efficient slicing and cloud support.The design peculiarities in dynamically changing domains, such as Smart Shopping/Office/Home, Context-Sensitive Intelligent apps, are discussed. Altogether, the provided content is technically interesting while still being rather practically oriented and therefore straightforward to understand.This book originated from the close cooperation of scientists from Germany, Ukraine, Israel, Switzerland, Slovak Republic, Poland, Czech Republic, South Korea, China, Italy, North Macedonia, Azerbaijan, Kazakhstan, France, Latvia, Greece, Romania, USA, Finland, Morocco, Ireland, and the United Kingdom.We wish all readers success and lots of inspiration from this useful book!

This book covers several cutting-edge topics and provides a direct follow-up to former publications such as “Intent-based Networking” and “Emerging Networking”, bringing together the latest network technologies and advanced AI applications.

Dem Leser wird gezeigt, wie eine umfassende und plattformunabhangige Losung zur Umsetzung von mehrseitiger Sicherheit in Kommunikationsnetzen aussehen kann. Der auf CD beigelegte, in Java geschriebene Prototyp unterstutzt ein spielerisches Sich-vertraut-Machen mit der Konfiguration von Schutzmechanismen fur mehrseitige Sicherheit. Es geht um die zielgerichtete Aushandlung von Sicherheitsanforderungen zwischen allen Beteiligten und wie dabei Konflikte um gegensatzliche Anforderungen gelost bzw. entscharft werden konnen. Im Buch werden Grundlagen zu Schutzzielen und zur Konfigurierung und Aushandlung von Sicherheitsfunktionalitat beschrieben.

Mit der zunehmenden Leistungsfähigkeit verteilter Rechnersysteme und dem wachsenden Bedarf für verteilte Anwendungen steigen auch die Anforderungen an die Entwicklungsunterstützung für solche Anwendungen. In den letzten Jahren gewannen daher verteilte objektorientierte Techniken nach dem Vorbild das Systems Smalltalk zunehmende Bedeutung. Dieses Buch führt zunächst in den verteilten objektorientierten Ansatz ein und vergleicht diesen mit anderen Mechanismen zur Erstellung verteilter Anwendungen. In ihrem Kernteil befaßt sich die Arbeit dann mit der Erweiterung dieses Ansatzes um neue Konzepte zur Steuerung von Objektmigrationen und zur Verwaltung einer verteilten Anwendungskonfiguration. Dabei werden integrierte Methoden und Werkzeuge zur statischen und dynamischen Plazierung der Objekte einer verteilten Anwendung auf einem verteilten Rechnersystem angeboten. Die Migrationssteuerung hat die dynamische Zusammenführung kommunizierender Objekte zum Ziel und umfaßt ein verteiltes Laufzeitprotokoll zur Realisierung von Objektmigrationen, ein Monitorsystem zur Analyse von Migrationsentscheidungen und eine Beschreibungsnotation zur Vergabe von Migrationsanforderungen. Die Konfigurationsverwaltung stellt eine deklarative Konfigurationssprache zur Beschreibung von Anwendungsstrukturen sowie eine Änderungsnotation zur Anforderung dynamischer Konfigurationsänderungen zur Verfügung.

Gegenstand dieses Buches ist die Entwicklung komplexer verteilter Anwendungsprogramme. Thema ist nicht, wie in den traditionellen B}chern }berverteilte DV-Systeme, die Entwicklung oder der Betrieb von Rechnernetzen, sondern deren Einsatz bei der Entwicklung verteilter Anwendungen. In Bereichen wie B}roautomatisierung und Produktionsautomation oder bei Firmen, deren Abl{ufe stark auf internationale Weitverkehrsnetze abgest}tzt sind (Fluggesellschaften, internationale Broker-Firmen), spiegeln die im Buch behandelten Fragestellungen schon heute die Probleme der Anwendungsentwickler wider; in vielen anderen Industriezweigen zeichnet sich die Notwendigkeit komplexer verteilter Anwendungen durch den zunehmenden Zwang zur Verflechtung und zur Automatisierung bereits ab. Ein Blick auf die in der Industrie eingesetzten Hilfsmittel zeigt jedoch, da~ diese f}r die erw{hnten komplexen Anwendungen nicht mehr ad{quat sind. Das Buch richtet sich in erster Linie an Dozenten, Studenten und Wissenschaftler im Bereich des Software Engineering, sowie an Softwareentwickler in der Praxis.

Client/server applications are of increasing importance in industry, as they are a significant first step towards a global distributed processing model. A very recent response to this trend is the Distributed Computing Environment (DCE) of the Open Software Foundation (OSF), the emerging new industry standard for distributed processing. The papers in this volume discuss the client/server approach based on DCE, illustrating and analyzing the functionality of important DCE components and applications. A number of contributions also focus on new models beyond traditional client/server processing and beyond DCE. The papers in this volume were presented at the International Workshop on the OSF Distributed Computing Environment, held in Karlsruhe, Germany, October 7-8, 1993.

Das vorliegende Buch stellt die Grundlagen Verteilter Systeme aus der Sicht der Rechnernetze und der verteilten Verarbeitung dar. Die Grundprinzipien werden dabei stets auch durch die Diskussion aktueller Entwicklungen, etwa im Bereich der Service-orientierten Architekturen, abgerundet.