2012

This doctorate thesis introduces a framework for information and communication technology resource federation. Resource federation in the context of this work is a concept for sharing and allowing access to heterogeneous resources across multiple administrative domains. Three design artifacts are delivered as the main research result: a federation model, a federation methodology, and a system instantiation. The artifacts abstract from the types of resources to be federated. Examples of resources include general-purpose physical and virtual machines, software packages and systems, as well as specialized proprietary devices. Resource capabilities are exposed in a service oriented manner and can be assembled in meaningful combinations and configurations to satisfy the service consumer's requirements. One of the potential user segments is the scientific community where resources are requested for running large scale research experiments that require a certain setup of heterogeneous resources. The benefit provided to users of the federation is the seamless access to a large collection of resources via unified interfaces. Resource providers benefit from an additional sales channel, increasing their average resource utilization, some sort of compensation for the provided services, and the access to additional user groups. A federation organization maintains relationships with all stakeholders and offers central services to ensure the overall operation.

Resource federations provide access to distributed resources committed by participating organizations. This concept is currently applied to provide large scale experimental facilities serving Future Internet research and development. We have developed a model and framework for generic resource federation and have implemented an according prototype system that allows federating heterogeneous resources on a pan-European scale. With this paper we show how heterogeneous federated resources can be interconnected by means of meshed domain border gateways that provide separated Layer 2 tunnels for resource groupings following our federation model. This enables to dynamically build virtual overlay networks over the public Internet to support various experimentation purposes.

The World-Wide-Web was initially designed to enable Information exchange between research institutes using the Internet Protocol based transport network. Since then, more and more areas of our daily live are reached by the evolving Internet including business critical areas, causes through its big success, fast acceptance and emerged possibilities. However, today's best-effort Internet still lacks wide-area support for End-to-End Quality-of-Service and security sensitive services. Future Internet (FI) related research targets at a re-designs of the current Internet while addressing today's requirements. In this paper we present a clean-slate cross-layer FI architecture approach. In order to optimize the underlying network for services we focus on a framework able to provide service required functionalities at the network layer on demand. We validate the presented architecture based on a prototype implementation. An evaluation section discusses measurements done with the prototype and an outlook on our future work concludes the paper.

Numerous Future Internet initiatives around the world establish experimental facilities that enable researchers to run their experiments in real world conditions. Through virtualization technologies, researchers have access to a large number of resources to run their experiments. The facilities provide different resources (e.g. sensors, end-hosts, routers), virtualization methods and access policies (private, community-based shared, federated) to accommodate a wide range of experiments. Nevertheless, for some experiments it is necessary to use resources across testbeds. Today, the support for integrating resources in one common routing topology is missing. In this paper we discuss use cases where a routing overlay over different heterogeneous testbeds is needed and present an implementation of a routing overlay mechanism to integrate nodes from Planetlab, VINI, and G-Lab. We identified the need for common resource federation mechanisms and tools that ease the setup of experimental facility resources across administrative domains and across different facilities.

Resource Federations aim at providing access to information and communication technology (ICT) resources across the boundaries of administrative domains. This is of interest today as modern societies are concerned about ICT infrastructure energy consumption and need to improve the way ICT resources are provisioned and maintained. This paper describes a concept and prototype implementation for resource federations to overcome resource and implementation heterogeneity in order to allow easy resource provisioning and control. This is achieved by defining a Resource Adaptor Description Language (RADL) that allows Domain Managers and higher layer orchestration logic to control heterogeneous resources abstracting from programming languages and implementation paradigms. The prototype has been evaluated by deploying RADL within the Panlab federation. The paper summarizes our experiences and outlines the most important results.

In diesem Projekt werden die in den AV Vorlesungen NGN und FIT erworbenen Kenntnisse durch praktische Programmieraufgaben vertieft. Dabei werden mit Blick auf Exzellenz und Nachhaltigkeit in kleinen Gruppen neue Komponenten, Schnittstellen, Anwendungen und Werkzeuge fuer die AV/FOKUS OSTP, Next Generation Mobile Networks und FI Testbeds entwickelt. Die genauen Themen sind der AV Homepage zu entnehmen unter www.av.tu-berlin.de.

In diesem Projekt werden die in den AV Vorlesungen NGN und FIT erworbenen Kenntnisse durch praktische Programmieraufgaben vertieft. Dabei werden mit Blick auf Exzellenz und Nachhaltigkeit in kleinen Gruppen neue Komponenten, Schnittstellen, Anwendungen und Werkzeuge für NGN und FI Testbeds entwickelt die bei AV/Fraunhofer FOKUS zum Einsatz kommen. Die Technologien kommen aus den Bereichen Service Composition und Web Mash Ups, Identity and Policy Management, Converged Instant Messaging, IP-TV, Videostreaming, Infrastructure as a Service, Virtualisation.

In diesem Projekt werden die in den AV Vorlesungen NGN und FIT erworbenen Kenntnisse durch praktische Programmieraufgaben vertieft. Dabei werden mit Blick auf Exzellenz und Nachhaltigkeit in kleinen Gruppen neue Komponenten, Schnittstellen, Anwendungen und Werkzeuge fuer die AV/FOKUS OSTP, Next Generation Mobile Networks und FI Testbeds entwickelt. Die genauen Themen sind der AV Homepage zu entnehmen unter www.av.tu-berlin.de.

In diesem Projekt werden die in den AV Vorlesungen NGN und FIT erworbenen Kenntnisse durch praktische Programmieraufgaben vertieft. Dabei werden mit Blick auf Exzellenz und Nachhaltigkeit in kleinen Gruppen neue Komponenten, Schnittstellen, Anwendungen und Werkzeuge fuer die AV/FOKUS OSTP, Next Generation Mobile Networks und FI Testbeds entwickelt. Die genauen Themen sind der AV Homepage zu entnehmen unter www.av.tu-berlin.de.