Transparent Dynamic reconfiguration for CORBA

Distributed systems with high availability requirements have to support some form of dynamic reconfiguration. This means that they must provide the ability to be maintained or upgraded without being taken off-line. Building a distributed system that allows dynamic reconfiguration is very intrusive to the overall design of the system, and generally requires special skills from both the client and server side application developers. There is an opportunity to provide support for dynamic reconfiguration at the object middleware level of distributed systems, and create a dynamic reconfiguration transparency to application developers. We propose a Dynamic Reconfiguration Service for CORBA that allows the reconfiguration of a running system with maximum transparency for both client and server side developers. We describe the architecture, a prototype implementation, and some preliminary test result

Understanding Digital Sovereignty: A Textual Analysis Of EU Policy Documents

The rapid growth of digital transformations globally has compelled European policymakers to discuss the possibility of a “Digitally Sovereign” model of the Internet. However, both policymakers and researchers have yet to solidify the concept behind such an ecosystem. While recent policies on digital issues often center around "Digital Sovereignty," there remains a lack of clear distinction between this term and similar concepts such as "Data Sovereignty" and "Technological Sovereignty". This extended abstract proposes a thorough textual analysis of EU policy documents to grasp the values and principles behind Digital Sovereignty.<br/

Quality of Service and Service Provisioning on a Competitive Market

The objective of this paper is to provide an economic and commercial context for QoS research in open distributed environments. The analyses are based on a telecommunications value chain model. The model is used to define possible roles for telecommunications companies, migrating from traditional telephony network operators towards privatised ICT companies in a new economy. Based on these developments, we advocate R&D activities aiming at standardised concepts and engineering principles to establish and control QoS in open distributed environments

Collecting Contextual Information About a DDoS Attack Event Using Google Alerts

Distributed Denial of Service (DDoS) attacks may lead to massive economic damages to victims. In most cases, the damage caused is dictated by the circumstances surrounding the attack (i.e. context). One of the ways of collecting information on the context of an attack can be by using the online articles written about the attack. In this poster, we introduce a dataset collected using Google Alerts that provides contextual information related DDoS attacks. The goal of the poster is to invite other researchers for collaboratio

Assessing Network Operator Actions to Enhance Digital Sovereignty and Strengthen Network Resilience:A Longitudinal Analysis during the Russia-Ukraine Conflict

We conduct longitudinal and temporal analyses on active DNS measurement data to investigate how the Russia-Ukraine conflict impacted the network infrastructures supporting domain names under ICANN’s CZDS new gTLDs. Our findings revealed changes in the physical locations of network infrastructures, utilization of managed DNS services, infrastructure redundancy, and distribution, which started right after the first reported Russian military movements in February 2022. We also found that domains from different countries had varying location preferences when moving their hosting infrastructure. These observed changes suggest that network operators took proactive measures in anticipation of an armed conflict to promote resilience and protect the sovereignty of their networks in response to the conflict

Assessing Network Operator Actions to Enhance Digital Sovereignty and Strengthen Network Resilience: A Longitudinal Analysis during the Russia-Ukraine Conflict

We conduct longitudinal and temporal analyses on active DNS measurement data to investigate how the Russia-Ukraine conflict impacted the network infrastructures supporting domain names under ICANN's CZDS new gTLDs. Our findings revealed changes in the physical locations of network infrastructures, utilization of managed DNS services, infrastructure redundancy, and distribution, which started right after the first reported Russian military movements in February 2022. We also found that domains from different countries had varying location preferences when moving their hosting infrastructure. These observed changes suggest that network operators took proactive measures in anticipation of an armed conflict to promote resilience and protect the sovereignty of their networks in response to the conflict