A5070937397- Software-Defined Networks and 5G
- Software System Performance and Reliability
- Cloud Computing and Resource Management
- IoT and Edge/Fog Computing
- Network Security and Intrusion Detection
- Advanced Photonic Communication Systems
- Advanced Optical Network Technologies
- Vehicular Ad Hoc Networks (VANETs)
- Optical Network Technologies
- Caching and Content Delivery
- Privacy-Preserving Technologies in Data
- Optical Wireless Communication Technologies
- Human Mobility and Location-Based Analysis
- Child and Animal Learning Development
- Advanced Software Engineering Methodologies
- Mobile Agent-Based Network Management
- Neural Networks and Reservoir Computing
- Physical Unclonable Functions (PUFs) and Hardware Security
- Distributed systems and fault tolerance
- Digital Transformation in Industry
- Service-Oriented Architecture and Web Services
- Action Observation and Synchronization
- Robotics and Automated Systems
- Distributed and Parallel Computing Systems
- Language, Metaphor, and Cognition
Budapest University of Technology and Economics
2015-2025
Consorzio Nazionale Interuniversitario per le Telecomunicazioni
2023
Microservices, serverless architectures, cloud native programming are novel paradigms and techniques which could significantly reduce the burden on both developers operators of future services. Several types applications fit in well with new concepts easing life different stakeholders while enabling cloud-grade service deployments. However, latency sensitive strict delay constraints between components pose additional challenges platforms. In order to gain benefit from recent technologies for...
The serverless technology, introduced for data center operation, represents an attractive technology latency-sensitive applications operated at the edge, enabling a resource-aware deployment accounting limited edge computing resources or end-to-end network congestion to cloud. This paper presents and validates framework automated dynamic reconfiguration of functions either relies on extensive telemetry retrieved from both packet-optical infrastructure operates diverse Amazon Web Services...
Cloud native programming and serverless architectures provide a novel way of software development operation. A new generation applications can be realized with features never seen before while the burden on developers operators will reduced significantly. However, latency sensitive applications, such as various distributed IoT services, generally do not fit in well concepts today's platforms. In this article, we adapt cloud approach related operating techniques for operated public We argue...
ABSTRACT As standardization work is ongoing for the upcoming sixth generation of cellular networking (6G), exploring new technologies low‐latency, high‐bandwidth fronthauling becomes a crucial aspect overall system performance. Free space optics (FSO) has emerged as light beam‐based wireless communication technology that can be fulfill such requirements with possibility surpassing certain radio technologies. Consequently, in this article, we investigate using FSO feasible solution 6G...
Due to the heterogeneous and distributed nature of computer networks, detection misconfigurations software/hardware failures is frequently reported be notoriously non-trivial. The advent SDN complicates situation even more, since besides troubleshooting, problem finding software bugs in controller/switch/VNF implementations also has solved. Today a wealth general SDN-specific troubleshooting tools are available which usually tailored identify network-related errors particular nature. In this...
Latency-critical applications, e.g., automated and assisted driving services, can now be deployed in fog or edge computing environments, offloading energy-consuming tasks from end devices. Besides the proximity, though, platform must provide necessary operation techniques order to avoid added delays by all means. In this paper, we propose an integrated that comprises orchestration methods with such objectives, terms of handling deployment both functions data. We show how integration function...
Serverless computing has recently been presented as an effective technology for handling short-lived compute tasks in the cloud. It potential of becoming attractive option also context edge where resource-aware deployment, constrained by both limited resources and experienced latency, plays a vital role. In this paper, we present experimentally validate framework that oversees serverless applications scenario. completely automates application deployment provides hitless dynamic migration...
This experience paper describes the process of leveraging NFV orchestration platform built in EU FP7 project UNIFY to deploy a dynamic network service exemplified by an elastic router. Elasticity is realized scaling dataplane resources as function traffic load. To achieve this, includes custom logic and monitoring capabilities. An automated framework not only triggers scaling, but also troubleshooting which detects analyzes anomalies, pro-actively aiding both dev ops personnel. Such...
Recent cloud technologies enable a diverse set of novel applications with capabilities never seen before. Cloud native programming, microservices, serverless architectures are paradigms reducing the burden on both software developers and operators while enabling cloud-grade service deployments. Several types fit in well new concepts, however, latency sensitive strict delay constraints pose additional challenges platforms. Can we run these today's public platforms making use brand tools...
SDN opens a new chapter in network troubleshooting as besides misconfigurations and firmware/hardware errors, software bugs can occur all over the stack. As an answer to this challenge networking community developed wealth of piecemeal tools aiming track down or specific nature (e.g. given layer). In demonstration we present EPOXIDE, Emacs based modular framework, which effectively combine existing single platform defines possible way integrated troubleshooting.
Safe and efficient Human-Robot Collaboration (HRC) is an essential feature of future Industry 4.0 production systems which requires sophisticated collision avoidance mechanisms with intense computation need. Digital twins provide a novel way to test the impact different control decisions in simulated virtual environment even parallel. In addition, Virtual/Augmented Reality (VR/AR) applications can revolutionize industry environments. Each component extreme computational power be provided by...
This report presents the results of UNIFY Service Provider DevOps activities. First, we present final definition and assessment concept. SP-DevOps is realized by a combination various functional components facilitating integrated service verification, efficient programmable observability, automated troubleshooting processes. Our shows that can help providers to reach medium level maturity allows significant reduction in OPEX. Second, focus on evaluation proposed components. The set tools...
Latency-sensitive serverless subfunctions are optimally deployed at edge and cloud according to telemetry-retrieved data from the 5G transport infrastructure. Once deployed, functions provided extremely fast invocation time of less than 450ms.
SDN opens a new chapter in network troubleshooting as besides misconfigurations and firmware/hardware errors, software bugs can occur all over the stack. As an answer to this challenge networking community developed wealth of piecemeal tools aiming track down or specific nature (e.g. given layer). In demonstration we present EPOXIDE, Emacs based modular framework, which effectively combine existing single platform defines possible way integrated troubleshooting.
Vehicular coordination and communication tasks are crucial aspects of enabling autonomous driving, guaranteeing safety efficiency. In our present work, we explore methods for collecting distributing information among participants by employing collaboratively-built high-definition maps that contain fine-grained contextual data. We leverage a hierarchical federated learning structure anticipatory onboarding the through mobility-aware content caching scheme minimize delay data delivery in both...
Serverless computing and the function as a service model are new paradigms enabling fine granular, bottomup construction of cloud-native applications. It can significantly reduce operating costs while shifting management tasks from developers application providers towards cloud operators. But these benefits provided at cost less control over underlying infrastructure performance, including end-to-end latency. However, grouping functions into deployable serverless software artifacts remains...
Next generation network services will be realized by NFV-based microservices to enable greater dynamics in deployment and operations. Here, we present a demonstrator that realizes this concept using the NFV platform built EU FP7 project UNIFY. Using example of an Elastic Router service, show automated configuration service components as well corresponding monitoring facilitating scaling entire service. We also demonstrate automatic execution troubleshooting debugging actions. Operations are...
Multipath transport protocols have the ability to simultaneously utilize different paths and thus outperform single-path solutions in terms of achievable goodput, latency, or reliability. In this paper our goal is examine potential connecting a mobile terminal multiple networks dynamically changing environment. To achieve this, first we analyze dataset obtained from an LTE drive test involving two operators. Then study performance MP-QUIC, multipath extension QUIC, dynamic emulated...
At the dawn of autonomous driving, vehicular communications and coordination become more vital than ever. Fast information gathering, processing sharing creates basis safety efficiency, main promises conceding control vehicles from humans to machines. In this paper we propose deploy an gathering distributing system that aims exactly at minimizing latency delivering essential end clients. We specifically tackle crowd-sourced maintenance high definition maps, i.e., road maps with extremely...
Abstract Humans are involved in various real-life networked systems. The most obvious examples social and collaboration networks but the language related mental lexicon they use, or physical map of their territory can also be interpreted as networks. How do find paths between endpoints these networks? obtain information about a foreign world themselves in, how build model for it well succeed using it? Large, open datasets allowing exploration such questions hard to find. Here we report...
Cloud native programming and the serverless paradigm can revolutionize software development operation of distributed applications. However, latency sensitive applications pose additional challenges to underlying networks cloud platforms. Moving compute resources edge is an inevitable step but further mechanisms novel components are also required enable such services in a environment. In this demonstration, we present system providing soft control for showcase our proof-of-concept prototype...
This report provides an understanding of how the UNIFY Service Provider (SP)-DevOps concept can be applied and integrated with a combined cloud transport network NFV architecture. Specifically, contains technical descriptions set novel SP-DevOps tools support functions that facilitate observability, troubleshooting, verification, VNF development processes. The are described in detail together their architectural mapping, giving wider as whole, used for supporting orchestration...
As standardization work is ongoing for the upcoming generation of cellular networking (6G), exploring new technologies low-latency, high-bandwidth fronthauling becomes a crucial aspect overall system performance. Free Space Optics (FSO) has emerged as light beam-based wireless communication technology that can be fulfill such requirements with possibility surpassing certain radio technologies. Consequently, in this paper, we investigate employing FSO feasible solution 6G fronthaul networks...
The constant growth of the number Internet Things devices drives a huge increase in data that needs to be analyzed, at times real time. Multiple platforms are available for delivering such analytics engines can perform various operations on with low processing latency. These find their home cloud native environments where high availability and scaling actual workload easily achieved. While deployment environment is elastic, clusters still need adequately dimensioned accommodate components...