Thomas Michael Bohnert

• PhD, Professor
• Professor at ZHAW Zurich University of Applied Sciences

As systems get more complex testing has also increased not only in complexity but in the total IT cost, which is estimated to increase even more by 2020. Testing large complex distributed applications is hard, time consuming and lacks tooling. Given that the digitisation of business has proved to be a key aspect for improving the productivity of de...

Cloud computing can greatly enhance robotic applications, not only by complementing robotic resources (e.g., CPU/GPU, memory, storage), but also by providing global-scale highly available services, distributed application management solutions, proven development and deployment practices. However, several challenges have to be addressed in order to...

Distributed cloud storage solutions are currently gaining high momentum in industry and academia. The enterprise data volume growth and the recent tendency to move as much as possible data to the cloud is strongly stimulating the storage market growth. In this context, and as a main requirement for cloud native applications, it is of utmost importa...

This paper states the research done in building a Wildfire Propagation Simulation tool able to present graphically, how the fire will be propagated in case of a wildfire. The core of this tool was developed using Cellular Automata (CA) relayed on mathematical foundations for modeling the propagation and the transition rules of the CA. Also, the mat...

Over the last couple of decades, the demand for storage in the Cloud has grown exponentially. Distributed Cloud storage and object storage for the increasing share of unstructured data, are in high focus in both academic and industrial research activities. At the same time, efficient storage and the corresponding costs are often contrasting paramet...

Edge environments offer a number of advantages for software developers including the ability to create services which can offer lower latency, better privacy, and reduced operational costs than traditional cloud hosted services. However large technical challenges exist, which prevent developers from utilising the Edge; complexities related to the h...

Several relevant research and innovation activities have recently investigated the technical and economic advantages of cloud computing for the provisioning of telco service infrastructures, in particular towards all-IP next generation 5G networks. In fact, the evolution of telco service infrastructures traditionally requires a significant upfront...

The setup of distributed computing clusters and the installation of data analysis frameworks can be cumbersome and requires a great deal of knowledge in a plenitude of fields. We have developed DISCO, a service which is alleviating the data scientist from these hurdles. This paper shows up the competitiveness of DISCO with an existing solution.

Robots are moving out of factories, service robotics is bringing them to our homes, work environments, cities, and outdoors. While the Robot Operating System (ROS) is promising to open the world of robotics to developers, a proper platform and ecosystem supporting robotic applications development is still missing. This work presents an example of c...

ICIN 2017 - Keynote - Cloud Robotics

The fast growing development of Network Function Virtualization (NFV) trends and the remarkable progress of Software Defined Networking (SDN), have yield a synergy between both, towards the provision of convergent networking solutions. Since the traditional networking principles were not designed according to NVF specification, a work has surged de...

Running applications in the cloud efficiently requires much more than deploying software in virtual machines. Cloud applications have to be continuously managed: (1) to adjust their resources to the incoming load and (2) to face transient failures replicating and restarting components to provide resiliency on unreliable infrastructure. Continuous m...

Cloud computing enables the on-demand delivery of resources for a multitude of services and gives the opportunity for small agile companies to compete with large industries. In the telco world, cloud computing is currently mostly used by Mobile Network Operators (MNO) for hosting non-critical support services and selling cloud services such as appl...

Current trends in broadband mobile networks are addressed towards the placement of different capabilities at the edge of the mobile network in a centralised way. On one hand, the split of the eNB between baseband processing units and remote radio headers makes it possible to process some of the protocols in centralised premises, likely with virtual...

With the introduction of the ETSI Network Function Virtualization (NFV) standardization, network operators started migrating their network infrastructures from dedicated hardware boxes to more common cloudified datacenters. The gain from the point of view of reduction of the infrastructure costs is almost clear, while many challenges appear especia...

This chapter begins with the basis of standards, including when and where they are appropriate and why they are needed. After presenting a summary of the range and variety of standards and their issuing organizations to provide the reader with the necessary background, the fundamental features unique to cloud-computing standards are covered. Cloud...

CEBIT 2014: Talk at Swiss Arena ”Cloud Computing, today and tomorrow”

Keynote as the IAESTE Annual Conference, Prague 2016

Keynote as the IAESTE Annual Conference, Prague 2016. Author TMB ZHAW

Keynote as the IAESTE Annual Conference, Prague 2016

Keynote as the IAESTE Annual Conference, Prague 2016

Keynote as the IAESTE Annual Conference, Prague 2016. Author TMB

The main benefit of cloud computing lies in the elasticity of virtual resources that are provided to end users. Cloud users do not have to pay fixed hardware costs and are charged for consumption of computing resources only. While this might be an improvement for software developers who use the cloud, application users and consumers might rather be...

In this paper we consider how energy efficiency aspects can be added to Openstack. With the objective of devising an energy efficient resource manager for Openstack, we first analyze resource and energy utilization on our cloud resources. We observe that there is a large fixed cost associated with server usage patterns and powering down servers is...

With the ongoing advancements in Cloud Computing, new technologies and standards are being developed, ever increasing the complexity of this environment along with the associated risks, thus making it difficult for companies to take advantage of the benefits Cloud Computing brings without being exposed to them. Due to this increased complexity, the...

The existence of the Domain Name Service (DNS) is a vital service for the Internet, being much more than a simple translation mech- anism, allowing more high-profiled functionalities such as load-balancing or enhanced content distribution. With the current trend towards Cloud Computing, employing DNS as a Service (DNSaaS) in this paradigm contribut...

Content Distribution Networks are mandatory components of modern web architectures, with plenty of vendors offering their services. Despite its maturity, new paradigms and architecture models are still being developed in this area. Cloud Computing, on the other hand, is a more recent concept which has expanded extremely quickly, with new services b...

Rating, Charging, Billing (RCB) is the fundamental activity that enables a business to generate revenue stream depending on the resource consumption by their consumers. Traditionally, telecom operators have used custom designed, vertically integrated solution for RCB which often results in a complex system that is difficult to adapt to new service...

In cloud environments High Availability characteristics are established by the usage of failover software (like e. g. HAProxy, Keepalive or Pacemaker). Though these tools enable automatic recovery of cloud services from outages, the recovery can still be very slow if it is not configured adequately. In this paper we developed a " Recovery Time Test...

Monitoring physical devices an OpenStack deployment and contribution to the Ceilometer project.

Long Term Evolution (LTE) represents the fourth generation (4G) technology which is capable of providing high data rates as well as support of high speed mobility. The EU FP7 Mobile Cloud Networking (MCN) project integrates the use of cloud computing concepts in LTE mobile networks in order to increase LTE's performance. In this way a shared distri...

The maturity reached by virtualisation technology enabled great innovation for efficient applications and services development and delivery, independent of the underlying hardware equipment, especially with the large deployment of off-the-shelf hardware based cloud infrastructures. In order to take advantage of this technology, the existing network...

Virtualisation of cellular networks can be seen as a way to significantly reduce the complexity of processes, required nowadays to provide reliable cellular networks. The Future Communication Architecture for Mobile Cloud Services: Mobile Cloud Networking (MCN) is a EU FP7 Large-scale Integrating Project (IP) funded by the European Commission that...

In this paper we present an idea of a propriety Software Defined residential Network (SDrN) and we show as a use case, a multicast streaming service that can be hosted on such networks. To verify the feasibility of the service in the context of quality of service, we offer to the providers of online streaming services (in some cases the ISPs themse...

In this position paper we describe the current status and plans for a Swiss National Research Infrastructure. Swiss academic and research institutions are very autonomous. While being loosely coupled, they do not rely on any centralized management entities. Therefore, a coordinated national research infrastructure can only be established by federat...

In this position paper, we describe the current status and plans for a Swiss National Research Infrastructure. Swiss academic and research institutions are very autonomous. While being loosely coupled, they do not rely on any centralized management entities. A coordinated national research infrastructure can only be established by federating the lo...

thomas.bohnert@zhaw.ch With contributions by the entire MCN consortium FUSECO Forum, Berlin, Nov 2013,

This paper describes a framework on how to test High Availability capabilities of cloud architectures, particularly OpenStack. The quot;Dependability Modeling Frameworkquot; which consists of a modelling of the system parts, user interactions and dependencies between them will form the basis for this test. The test procedure consists of simulating...

In this position paper, we describe the current status and plans for a Swiss National Research Infrastructure. Swiss academic and research institutions are very autonomous. While being loosely coupled, they do not rely on any centralized management entities. A coordinated national research infrastructure can only be established by federating the va...

With advances in healthcare technologies, digital electronics, smart sensors, and wireless communications, a variety of e-Health applications have come to realization that usher in solutions with new capabilities, enhance and improve current approaches for delivering effective and efficient healthcare services. In this domain, wireless sensors have...

Embodiments of the present invention include systems and methods for a computer-implemented, in-vehicle application platform (VAP) for conducting vehicle-to-business (V2B) communication. A V2B vehicle application layer resides within the vehicle. The VAP comprises a communication layer facilitating reliable message exchange between this vehicle app...

The Future Communication Architecture for Mobile Cloud Services: Mobile Cloud Networking (MCN) is a EU FP7 Large-scale Integrating Project (IP) funded by the European Commission. MCN project was launched in November 2012 for the period of 36 month. In total top-tier 19 partners from industry and academia commit to jointly establish the vision of Mo...

As the relentless march towards an Internet of Services (IoS) continues, it is of utmost importance for the telecoms industry to understand what the IoS is and upon what foundations and methodologies the IoS is based and built on. Further, how the telecom industry can leverage IoS research and push IoS capabilities on and beyond through innovation...

This article proposes a new enhanced fractional frequency reuse (FFR) scheme to improve the system performance in multi-cell orthogonal frequency division multiple access system, which tackles the problems of frequency distribution and inter-cell interference (ICI) by jointly FFR and ICI coordination. The proposed scheme dynamically assigns subcarr...

This article proposes an integrated framework for adaptive QoS provision in IEEE 802.16e broadband wireless access networks based on cross-layer design. On one hand, an efficient admission control (AC) algorithm is proposed along with a semi-reservation scheme to guarantee the connection-level QoS. First, to guarantee the service continuity for han...

The vision of the GEYSERS project is to qualify optical infrastructure providers and network operators with a new architecture and by thus enabling them to enhance their traditional business operations towards true end-to-end Cloud Computing product offerings. Optical network infrastructure providers will compose logical infrastructures and rent th...

GEYSERS aims at defining an end-to-end network architecture that offers a novel planning, provisioning and operational framework for optical network and IT infrastructure providers and operators. In this framework, physical infrastructure resources (network and IT) are dynamically partitioned to virtual resources and then composed into a Virtual In...

Cognitive radio arises as a hot research issue in wireless communications recently, attributed to its capability of enhancing spectral efficiency and catering for the growing demand for bandwidth. As a good embodiment of cognitive radio’s unique feature, i.e. making use of every bit spectral resource, spectrum sensing plays a vital role in the impl...

Quality of Service is one of the major research topics in computer communications, not at last reflected by the immense number of work published by today. In fact, continuous innovation is shaping this versatile subject in many aspects and it's nearly impossible to keep track for an individual. For this reason, this paper provides a tutorial-style...

In this chapter we presented an enhancement for the NS2-NIST/WiMAX model in order to efficiently support QoS. Specifically, a packet classification mechanism and the associated scheduler, based on priority RR (PRR), have been designed, implemented and tested. Through the performance evaluation measurements with different topologies, point-topoint (...

Quality of Experience (QoE) relates to how users perceive the quality of an application. To capture such a subjective measure, either by subjective tests or via objective tools, is an art on its own. Given the importance of measuring users’ satisfaction to service providers, research on QoE took flight in recent years. In this paper we present an o...

GEYSERS´ vision is to provide optical infrastructure providers and network operators with a new architecture, to enhance their traditional business models. Optical network infrastructure providers will compose logical infrastructures and lease them out to network operators; network operators will run cost-efficient, dynamic and mission-specific net...

Beginning with the first event in 2002, the International Conference on Wired/ Wireless Internet Communications (WWIC) has continuously been established as a highly selective conference focusing on integration and co-existence of rapidly dev- oping wireless network technologies and their applications related to the Internet. To do so WWIC provides...

Due to consequent policy making and research funding in Europe, the US, and Japan, Intelligent Transportation Systems (ITS) are gaining momentum and provide mature concepts for vehicular communications enabling vehicles to communicate amongst themselves (Vehicle-to-Vehicle, V2V) and their immediate vicinity (Vehicle-to-Infrastructure, V2I). Based o...

An abstract is not available.

In recent years, several research projects have discovered the potential of Intelligent Transport Systems (ITS) and have developed corresponding demonstrators for Vehicle-to-Vehicle (V2V) and Vehicle-to-Infrastructure (V2I) communication, which act as proof of concepts. This paper provides the required test infrastructure to go beyond a pure proof...

Mobile and wireless communication systems are becoming more and more complex, making understanding the interaction of different technologies on different layers a very difficult task. The introduction of sophisticated techniques on the physical layer that react to changes of the wireless channel on small timescales requires new paradigms for modeli...

From 1 to 4 December, the IEEE Global Communications Conference 2008 (IEEE GLOBECOM) was held in New Orleans, Louisiana, United States. New Orleans was hosting GLOBECOM for the second time, the first having been in 1985, and in order to account for the enormous changes in the communications industry that have happened since, ComSoc's flagship confe...

Wireless Sensor Networks provide unprecedented possibili-ties for monitoring and interacting with the real-world. Unfortunately, the lack of open and simple standards for ad-hoc collaboration between heterogeneous embedded devices makes it difficult to build large-scale deployments; every particular application requires complex integration work, an...

IntroductionQuality of Experience versus Quality of Service AssessmentMethods for Speech Quality AssessmentContinuous Speech Quality Assessment for VoIPSpeech Quality Aware Admission Control for Fixed IEEE 802.16 Wireless MANThe Idea of an R-score-based SchedulerConclusion References

With the publication of a first framework of the communications architecture for European Intelligent Transport Systems (ITS), a major milestone was achieved in harmonization of various R&D efforts towards a unified architecture. Relying on this framework, the project PRE-DRIVE C2X further elaborates four main aspects of the ITS communications arch...

A dynamic resource allocation algorithm to satisfy the packet delay requirements for real-time services, while maximizing the system capacity in multiuser orthogonal frequency division multiplexing (OFDM) systems is introduced. Our proposed cross-layer ...

The IEEE 802.16 standard provides a specification for a fixed and mobile broadband wireless access system, offering high data rate transmission of multimedia services with different Quality-of-Service (QoS) requirements through the air interface. The WiMAX Forum, going beyond the air interface, defined an end-to-end WiMAX network architecture, base...

In the existing papers on cooperative diversity, the fading channels are idealistically assumed to be Rayleigh fading channel. Taking into account the realistic propagation environments in the presence of spatial fading correlation, the performance of cooperative protocols using distributed space-time block code (DSTBC) in the two-ring scattering m...