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Wyświetlanie 1-2 z 2
Tytuł:
Measurements of ASON/GMPLS connection control layer performance according to ETSI methodology
Autorzy:
Kaczmarek, S.
Młynarczuk, M.
Narloch, M.
Sac, M.
Powiązania:
https://bibliotekanauki.pl/articles/220651.pdf
Data publikacji:
2012
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
ASON
GMPLS
control performance measurements
ETSI methodology
RSVP
NGN
Opis:
Measurements of performance have always been crucial for the evaluation of telecommunication systems, especially for implementation of network control elements responsible for connection handling which regards to bandwidth reservation, modification and release. That problem also arises in the Automatically Switched Optical Network/Generalized Multiprotocol Label Switching (ASON/GMLPS) architecture, which is considered as one of the components of Next Generation Network (NGN). The European Telecommunications Standards Institute (ETSI) proposed a universal methodology of telecommunication control elements performance measurements, which can be also adopted to investigation of an ASON/GMPLS connection control layer. In this paper the application of the ETSI measurements methodology with regard to ASON/GMPLS performance is described. The implementation of a laboratory testbed as well as executed performance measurements according to the ETSI methodology and their results are presented.
Źródło:
Metrology and Measurement Systems; 2012, 19, 2; 355-364
0860-8229
Pojawia się w:
Metrology and Measurement Systems
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Approximation of message inter-arrival and inter-departure time distributions in IMS/NGN architecture using phase-type distributions
Autorzy:
Kaczmarek, S.
Sac, M.
Powiązania:
https://bibliotekanauki.pl/articles/308647.pdf
Data publikacji:
2013
Wydawca:
Instytut Łączności - Państwowy Instytut Badawczy
Tematy:
call processing performance
IMS
message interarrival time distributions
message inter-departure time distributions
NGN
phase type distributions
traffic model
Opis:
Currently it is assumed that requirements of the information society for delivering multimedia services will be satisfied by the Next Generation Network (NGN) architecture, which includes elements of the IP Multimedia Subsystem (IMS) solution. In order to guarantee Quality of Service (QoS), NGN has to be appropriately designed and dimensioned. Therefore, proper traffic models should be proposed and applied. This requires determination of queuing models adequate to message inter-arrival and interdeparture time distributions in the network. In the paper the above mentioned distributions in different points of a single domain of NGN are investigated, using a simulation model developed according to the latest standards and research. Relations between network parameters and obtained message inter-arrival as well as interdeparture time distributions are indicated. Moreover, possibility of approximating the above mentioned distributions using phase-type distributions is investigated, which can be helpful in identifying proper queuing models and constructing an analytical model suitable for NGN.
Źródło:
Journal of Telecommunications and Information Technology; 2013, 3; 9-18
1509-4553
1899-8852
Pojawia się w:
Journal of Telecommunications and Information Technology
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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