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Wyszukujesz frazę "Burakowski, Wojciech" wg kryterium: Autor


Tytuł:
Analysis of the Discrete-time Multi-queue System with a Cycle-based Scheduler
Autorzy:
Burakowski, Wojciech
Sosnowski, Maciej
Powiązania:
https://bibliotekanauki.pl/articles/1839463.pdf
Data publikacji:
2021
Wydawca:
Instytut Łączności - Państwowy Instytut Badawczy
Tematy:
discrete-time queueing system with vacations
system state distribution
packet sojourn time distribution
virtualized system
Opis:
This paper presents an analysis of a discrete-time multi-queue system handling a number of packet streams. The analysis focuses on calculating system state distribution and packet sojourn time distribution. The method relied upon for determining system state distribution is based on creating a number of equations that are solved numerically. Next, based on the distribution calculated in such a manner, we derive relations for packet sojourn time distribution. The models studied may be useful for instance in a system supporting a number of virtual links (each of a constant bitrate) that share a common physical link. Isolation of performance of those virtual links needs to be assured. Finally, we present some exemplary numerical results showing the usefulness of the proposed analysis for supporting the system dimensioning process.
Źródło:
Journal of Telecommunications and Information Technology; 2021, 2; 68-76
1509-4553
1899-8852
Pojawia się w:
Journal of Telecommunications and Information Technology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
On Implementation of Efficient Inline DDoS Detector Based on AATAC Algorithm
Autorzy:
Wiśniewski, Piotr
Sosnowski, Maciej
Burakowski, Wojciech
Powiązania:
https://bibliotekanauki.pl/articles/2200718.pdf
Data publikacji:
2022
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
DDoS
Distributed Denial of Service
traffic anomaly detection
AATAC
performance
DPDK
Opis:
Distributed Denial of Service (DDoS) attacks constitute a major threat in the current Internet. These cyber-attacks aim to flood the target system with tailored malicious network traffic overwhelming its service capacity and consequently severely limiting legitimate users from using the service. This paper builds on the state-of-the-art AATAC algorithm (Autonomous Algorithm for Traffic Anomaly Detection) and provides a concept of a dedicated inline DDoS detector capable of real-time monitoring of network traffic and near-real-time anomaly detection. The inline DDoS detector consists of two main elements: 1) inline probe(s) responsible for link-rate real-time processing and monitoring of network traffic with custom-built packet feature counters, and 2) an analyser that performs the near-real-time statistical analysis of these counters for anomaly detection. These elements communicate asynchronously via the Redis database, facilitating a wide range of deployment scenarios. The inline probes are based on COTS servers and utilise the DPDK framework (Data Plane Development Kit) and parallel packet processing on multiple CPU cores to achieve link rate traffic analysis, including tailored DPI analysis.
Źródło:
International Journal of Electronics and Telecommunications; 2022, 68, 4; 889--898
2300-1933
Pojawia się w:
International Journal of Electronics and Telecommunications
Dostawca treści:
Biblioteka Nauki
Artykuł

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