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Utilizing multiple access technologies such as 5G, 4G, and Wi-Fi within a coherent framework is currently standardized by 3GPP within 5G ATSSS. Indeed, distributing packets over multiple networks can lead to increased robustness, resiliency and capacity. A key part of such a framework is the multi-access proxy, which transparently distributes packets over multiple paths. As the proxy needs to serve thousands of customers, scalability and performance are crucial for operator deployments. In this paper, we leverage recent advancements in data plane programming, implement a multi-access proxy based on the MP-DCCP tunneling approach in P4 and hardware accelerate it by deploying the pipeline on a smartNIC. This is challenging due to the complex scheduling and congestion control operations involved. We present our pipeline and data structures design for congestion control and packet scheduling state management. Initial measurements in our testbed show that packet latency is in the range of 25 μs demonstrating the feasibility of our approach.
A Case Study of the Basic Learners’ Struggles in Guessing from Context to Retain Words Learned
(2022)
Guessing meaning from context is a challenging strategy for Second Language Learners (SLLs). In using the strategy, research found that poor students or low proficiency learners struggled in their attempts to use it. Mainly, it was reported that it was due to their vocabulary knowledge was limited. In another aspect, retaining vocabulary learnt is also important. Such is essential since learning vocabulary does not mean knowing the definition only. Yet, learners must also be able to use the vocabulary as they engage in language skills such as reading, writing, speaking and listening. The study aims at finding the hindrances faced among poor students’ using contextual clues in retaining vocabulary. The study employed a case study to collect data from two basic students studying at a tertiary level. The study found that their hindrances in guessing meaning contexts were due to their being confused in guessing meaning when reading a sentence. Also, it was found that they were not able to find clues since they lacked vocabulary to guess correctly. The study implied that guessing meaning from context required sizeable vocabulary knowledge. Therefore, more training is necessary to assist basic learners in being successful in guessing from contexts.
The article deals with the notion of internet aggression (cyber aggression). It considers the mentioned term from both psychological and communicative approaches. The paper also provides detailed analyses of the cyber aggression in political discourse. The provided ex-amples are taken from the speeches of politicians during the time of Covid pandemic. The author also identifies several types of cyber aggression.
The nameless protagonist of the postmodern novel Monsieur, written by Belgian author Jean-Philippe Toussaint, can be described as a rather strange man. He lacks ambition, a drive for action and seems to be unfit for daily life. He constantly fails to accomplish his predestined role as a real man, as for instance to pay the bill for dinner when dating a woman. The scope of the present paper is to analyse, on the one hand, how this novel deconstructs hegemonial concepts of masculinity but, on the other hand, is in itself also a parody of the latter.
This paper gives an overview of our recent activities in the field of satellite communication networks, including an introduction to geostationary satellite systems and Low Earth Orbit megaconstellations. To mitigate the high latencies of geostationary satellite networks, TCP-splitting Performance Enhancing Proxies are deployed. However, these cannot be applied in the case of encrypted transport headers as it is the case for VPNs or QUIC. We summarize performance evaluation results from multiple measurement campaigns. In a recently concluded project, multipath communication was used to combine the advantages of very heterogeneous communication paths: low data rate, low latency (e.g., DSL light) and high data rate, high latency (e.g., geostationary satellite).
Time-to-Live (TTL) caches decouple the occupancy of objects in cache through object-specific validity timers. Stateof- the art techniques provide exact methods for the calculation of object-specific hit probabilities given entire cache hierarchies with random inter-cache network delays. The system hit probability is a provider-centric metric as it relates to the origin offload, i.e., the decrease in the number of requests that are served by the content origin server. In this paper we consider a user-centric metric, i.e., the response time, which is shown to be structurally different from the system hit probability. Equipped with the state-of-theart exact modeling technique using Markov-arrival processes we derive expressions for the expected object response time and pave a way for its optimization under network delays.
Durch die globale Organisation von Lebensmittelwarenketten steht Konsument*innen heute ein vielfältiges, ganzjährig nahezu gleichbleibendes Angebot an frischem Obst und Gemüse im Lebensmitteleinzelhandel zur Verfügung. Damit einher geht eine erhöhte Komplexität beim Lebensmitteleinkauf und ein verändertes Wissen von Konsument*innen, über die Waren: Das eigene Erfahren der Lebensmittelproduktion ist im Alltag heute nicht mehr möglich. Statt praktischem Wissen gewinnt damit explizites und objektiviertes Wissen über die Waren, z.B. in Form von Siegeln an Bedeutung. Viele Produkt- und Produktionseigenschaften entziehen sich zudem der Kenntnis der Konsument*innen, während gleichzeitig das Bewusstsein für Fragen sozialer und ökologischer Nachhaltigkeit steigt.
Die vorliegende Studie geht vor diesem Hintergrund am Beispiel des Einkaufs von frischem Obst und Gemüse der Frage nach, welche Bedeutung die Herkunftsangabe als Hinweis auf die Geographien der Waren für die Bewertung von frischem Obst und Gemüse hat und welches Wissen Konsument*innen über Waren und deren Biographien haben. Es wird zudem aufgezeigt, welche Rolle Nichtwissen beim Lebensmittelkonsum spielt.
Die Studie liefert Erkenntnisse für die bislang im deutschsprachigen Raum noch vergleichsweise wenig repräsentierte Konsumgeographie und macht Konzepte aus der Wissens- und Organisationssoziologie für die wirtschaftsgeographische Forschung fruchtbar. Aus einer Praxisperspektive bietet sie Anschlusspunkte für Fragen des nachhaltigen Konsums sowie des Verbraucherschutzes.
In scientific research, the independent reproduction of experiments is the source of trust. Detailed documentation is required to enable experiment reproduction. Reproducibility awards were created to honor the increased documentation effort. In this work, we propose a novel approach toward reproducible research—a structured experimental workflow that allows the creation of reproducible experiments without requiring additional efforts of the researcher. Moreover, we present our own testbed and toolchain, namely, plain orchestrating service (pos), which enables the creation of such experimental workflows. The experiment is documented by our proposed, fully scripted experiment structure. In addition, pos provides scripts enabling the automation of the bundling and release of all experimental artifacts. We provide an interactive environment where pos experiments can be executed and reproduced, available at https://gallenmu.github.io/single-server-experiment.
Despite some critical voices, in German linguistics the concept of confix can meanwhile be considered as an established morpheme category. Schmidt (1987) introduced the term into German to describe bound morphemes that are lexical, but not inflectable. Since the 2000s, an increasing number of publications deal with the phenomenon and the term has begun to enter linguistic reference works as well. In French, the situation is completely different due to the structure of the language (poor in compounds and mostly post-determinative). Although the term and the concept have originall y been coined by the French structuralist André Martinet ([1961] \(^3\)1980 ), the denomination itself is barely present in Romance linguistics. French researchers usually take different approaches to discuss the phenomenon (e.g., neoclassical compounds, constructed lexemes). In Italian, the denominations confisso/ confissazione are first used by De Mauro (1999), who adopts both the term and concept directly from Martinet; moreover, they can be found in some contributions on word formation and lexicology (e.g., Adamo/Della Valle 2008). Nevertheless, the Italian termino-logy remains heterogeneous, with some researchers still using the terms prefissoide/suffissoide coined by Migliorini (1963). As I will show by comparing the languages in question, the terminology and the concept of confixes vary greatly between Romance and Germanic languages.
In this contribution, chants of the followers of the Argentine football team Boca Juniors are analyzed with regard to possible identity constructions and othering. The results of the corpus-driven discourse-linguistic analysis demonstrate in particular metaphors and topoi that can be highlighted as a constitutive part of the discursive construction of a Boca Juniors supporters’ identity and the otherings of River Plate hinchas. Through the use of certain metaphors and determined lexical fields that clearly call for acts of violence, a masculine ethos is discursively constructed among Bocas own followers, which goes far beyond comparable insulting and cheering chants of comparable European football teams.