Temat: QoS routing - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Fuzzy Clustering with Multi-Constraint QoS Service Routing in Wireless Sensor Networks
Autorzy:: Agarkhed, Jayashree
Kadrolli, Vijayalaxmi
Patil, Siddarama R.
Powiązania:: https://bibliotekanauki.pl/articles/307716.pdf
Data publikacji:: 2019
Wydawca:: Instytut Łączności - Państwowy Instytut Badawczy
Tematy:: fuzzy logic
QoS
routing
WSN
Opis:: This paper presents a fuzzy logic-based, service diﬀerentiated, QoS aware routing protocol (FMSR) oﬀering multipath routing for WSNs, with the purpose of providing a service diﬀerentiated path meant for communication between nodes, based on actual requirements. The proposed protocol initially forms a cluster by fuzzy c-means. Next, the building of a routing follows, so as to establish multiple paths between nodes through the modiﬁed QoS k-nearest neighborhood, based on diﬀerent QoS constraints and on optimum shortest paths. If one node in the path fails due to lack of residual energy, bandwidth, packet loss, delay, an alternate path leading through another neighborhood node is selected for communication. Simulation results show that the proposed protocol performs better in terms of packet delivery ratio, delay, packet drop ratio and throughput compared to other existing routing protocols.
Źródło:: Journal of Telecommunications and Information Technology; 2019, 1; 31-38
1509-4553
1899-8852
Pojawia się w:: Journal of Telecommunications and Information Technology
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: On Dimensioning and Routing in the IP QoS System
Autorzy:: Góralski, W.
Pyda, P.
Dalecki, T.
Mongay Batalla, J.
Śliwiński, J.
Latoszek, W.
Gut, H.
Powiązania:: https://bibliotekanauki.pl/articles/307866.pdf
Data publikacji:: 2011
Wydawca:: Instytut Łączności - Państwowy Instytut Badawczy
Tematy:: IP QoS System
resource dimensioning
routing
Opis:: This article presents dimensioning and routing solutions in IP QoS System designed during the implementation of the PBZ project: "Next Generation Services and Networks - technical, application and market aspects: Traffic management - IP QoS System". The paper presents the functional architecture together to the description of the functions and methods implemented in the system.
Źródło:: Journal of Telecommunications and Information Technology; 2011, 3; 21-28
1509-4553
1899-8852
Pojawia się w:: Journal of Telecommunications and Information Technology
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Selected Issues of QoS Provision in Heterogenous Military Networks
Autorzy:: Hauge, M.
Landmark, L.
Łubkowski, P.
Amanowicz, M.
Maślanka, K.
Powiązania:: https://bibliotekanauki.pl/articles/226154.pdf
Data publikacji:: 2014
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: E2E QoS
connectivity
routing
heterogenous networks
Opis:: Tactical ad-hoc networks are evolving today towards complex heterogeneous networks in terms of architecture, protocols and security. Due to the difference in network resources and reliability, end-to-end quality of service provisioning becomes very challenging. If we also take into account communication issues such as unpredictable connectivity, preferential forwarding for special traffic classes, intermittency due to node or communication link failure, the problem is further aggravated. In this article, we examine the major challenges that must be solved in order to provide efficient QoS provisioning in the heterogeneous network. Finally we describe QoS-aware mechanisms for inter-domain and intra-domain heterogeneous networks, also including real-time services provision in highly mobilr environments.
Źródło:: International Journal of Electronics and Telecommunications; 2014, 60, 1; 7-13
2300-1933
Pojawia się w:: International Journal of Electronics and Telecommunications
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 4.

Tytuł:: On-demand Bandwidth and Stability Based Unicast Routing in Mobile Adhoc Networks
Autorzy:: Basarkod, P. I.
Manvi, S. S.
Powiązania:: https://bibliotekanauki.pl/articles/963935.pdf
Data publikacji:: 2014
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: Mobile Ad hoc Network
QoS
stability
routing
mobility
Opis:: Characteristics of mobile ad hoc networks (MANETs) such as lack of central coordination, dynamic topology and limited resources pose a challenging problem in quality of service (QoS) routing. Providing an efficient, robust and low overhead QoS unicast route from source to destination is a critical issue. Bandwidth and route stability are the major important QoS parameters for applications where long duration connections are required with stringent bandwidth requirements for multimedia applications. This paper proposes an On-demand Bandwidth and Stability based Unicast Routing scheme (OBSUR) in MANET by adding additional QoS features to existing Dynamic Source Routing (DSR) protocol. The objective of the OBSUR is to provide QoS satisfied, reliable and robust route for communicating nodes. The scheme works in following steps. (1) Each node in the network periodically (small regular intervals) estimates bandwidth availability, node and link stability, buffer availability, and stability factor between nodes. (2) Construction of neighbor stability and QoS database at every node which is used in route establishment process. (3) The unicast path is constructed by using route request and route reply packets with the help of route information cache, and (4) route maintenance in case of node mobility and route failures. Simulation results show that there is an improvement in terms of traffic admission ratio, control overhead, packet delivery ratio, end to end delay and throughput as compared to Route Stability Based QoS Routing (RSQR) in MANETs.
Źródło:: International Journal of Electronics and Telecommunications; 2014, 60, 1; 27-39
2300-1933
Pojawia się w:: International Journal of Electronics and Telecommunications
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 5.

Tytuł:: Innovative Method of the Evaluation of Multicriterial Multicast Routing Algorithms
Autorzy:: Stachowiak, K.
Zwierzykowski, P.
Powiązania:: https://bibliotekanauki.pl/articles/307838.pdf
Data publikacji:: 2013
Wydawca:: Instytut Łączności - Państwowy Instytut Badawczy
Tematy:: evaluation
graph algorithms
multicast
QoS
resource drainage
routing
Opis:: Theoretical considerations of the multicast Quality of Service (QoS) routing have been a rapidly developing and dynamic research area for years. Several algorithms derived from different approaches have been proposed, while the pool of valid solutions to the problem is steadily growing. When new solutions are compared with their predecessors, as much information as possible about their characteristics and differences is needed. Both the graph theory and the optimization theory provide robust and objective means of comparing not only algorithms, but also the results they produce. However, any possible extension to the comparison methods is vital and can bring interesting new information that would eventually lead to innovative conclusions. This article presents a method, derived from practice and experience, that simulates the drainage of resources accumulated by consecutive communication allocations. The nature of this comparison is an extension to the classical measurement of the success ratio and this creates a context of the continuous measure of a success rather than a simple binary value. In this article such a method with regard to algorithms optimizing multicast problems for more than two criteria is used for the first time and leads to an interesting conclusion about the influence of the number of the criteria on the result.
Źródło:: Journal of Telecommunications and Information Technology; 2013, 1; 49-55
1509-4553
1899-8852
Pojawia się w:: Journal of Telecommunications and Information Technology
Dostawca treści:: Biblioteka Nauki

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