Wszystkie pola: service network - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: New Tool for Investigating QoS in the WWW Service
Autorzy:: Uhl, T.
Rompf, M.
Powiązania:: https://bibliotekanauki.pl/articles/307924.pdf
Data publikacji:: 2015
Wydawca:: Instytut Łączności - Państwowy Instytut Badawczy
Tematy:: Apdex index
communication network
ITU-T G.1030
measurement tools
Power metric
QoS/QoE determination
Triple Play Services
WWW service
Opis:: The subject of this paper is the QoS measurement in the World Wide Web (WWW) service. It will begin with a brief presentation of methods currently used to measure QoS in the WWW service before going on to describe in detail the new tool QoSCalc (WWW). Following that, the potential of the new tool will be put to the test in a series of analysis scenarios. The results and insights obtained will then be presented in several diagrams, and interpreted.
Źródło:: Journal of Telecommunications and Information Technology; 2015, 1; 3-9
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:: The New Metric and the New Software Tool for Determining QoS in the Short Messages Service in Mobile Networks
Autorzy:: Rompf, M.
Uhl, T.
Powiązania:: https://bibliotekanauki.pl/articles/309483.pdf
Data publikacji:: 2017
Wydawca:: Instytut Łączności - Państwowy Instytut Badawczy
Tematy:: communication network
ETSI TS 102-250-2
QoS measurement environment
QoS measurement techniques
queuing model
SMS service
Opis:: With traveling professions and nomadic lifestyles on the increase there is a growing need for comprehensive mobile networking within the Next Generation Network, and the security, reliability and technical independency of the Short Message Service (SMS) is becoming more and more indispensable for business processes. Since competitiveness goes hand-in-hand with this business capability, and methods to determine the quality of this service are becoming equally indispensable. This paper presents possible methods to evaluate the “Completion Rate of SMS” and “End-to-End Delivery Time” and combinations of them (new metric in this paper). A software tool, QoSCalc(SMS), has been developed in collaboration with the authors in order to verify whether service providers are abiding by the Service Level Agreements. The tool has been tested in a real measurement environment and the results are presented graphically here and interpreted.
Źródło:: Journal of Telecommunications and Information Technology; 2017, 2; 3-10
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:: Quantifying the Suitability of Reference Signals for the Video Streaming Analysis for IPTV
Autorzy:: Hoppe, C.
Manzke, R.
Rompf, M.
Uhl, T.
Powiązania:: https://bibliotekanauki.pl/articles/307690.pdf
Data publikacji:: 2016
Wydawca:: Instytut Łączności - Państwowy Instytut Badawczy
Tematy:: communication network
IPVT service
ITU-T J.247
measurement tools
PEVQ
QoS/QoE determination
reference signal
Triple Play Services
VQuad-HD
ITU-T J.341
Opis:: IP networks are indispensable nowadays and they are some of the most efficient platforms. The constantly growing number of users and new services in these networks – the largest being the Internet – require a satisfactory quality of service from any application they use. So, determining the QoS in real-time services is particularly important. This work shows how to quantify the suitability of reference signals for analyzing the quality of video streaming in IPTV. The assessment relies on two different algorithms: PEVQ and VQuad-HD. Three different reference signals – two real ones and an artificial one – are used in this study, and a numerical measurement system is used, which simulates mean network impairments. These measurements provide valuable information for determining the QoS of actual IPTV services in practice.
Źródło:: Journal of Telecommunications and Information Technology; 2016, 1; 29-36
1509-4553
1899-8852
Pojawia się w:: Journal of Telecommunications and Information Technology
Dostawca treści:: Biblioteka Nauki

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